Pochwalę się, że własnie takie radyjko przywróciłem do żywych. Do diagnostyki pomocne okażą się materiały w załączniku. W szczególności trzeba się przyjrzeć złączu 64 pinowemu od modułu Venice 6.2. U mnie nieprawidłowe były napięcia (potrzebne 3.3V i 1.2V). Po nitce do kłębka okazało się, że stabilizator SE8117TA podawał na wyjściu zaniżone napięcie. Podświetlanie ekranu startowało, ale już cały 'komputer' nie. Powodzenia :) Ze znaczących układów: - wspomniane SE8117TA - x2 - stabilizatory RP111x, L7806CV - TS809R - układ 'reset' do ww - S35390 - układ zegara - YD7377 i CSC2314E (PT2314E) do audio - mosfet P AAT4601A
Circuit Description
Location
1
2
3
4
5
6
Part Name
Value
X400
RESONATOR,LAP 25.000MHz 25.000MHz
U403
IC,ENC28J60T-C/SS
U500,U501
IC,IRS2092STRPBF
ួ380KHz
Q501,Q502,Q507,Q508 FET,1RF6645
ួ380KHz
X100
RESONATOR,SEG55 16.9344 16.9344MHz
U101
IC,UPD78F1146AGB-GAH-AX
Function
Crystal supply to Ethernet Controller(U403)
Ethernet Controller MAC/PHY
Digital Amp
Switching device
Crystal supply to CPU(U101)
CPU
Remark: The module FS2026 and RF chip-set information, please refer to the following pages.
Venice 6 FS2026
Internet radio/network audio/DAB/FM-RDS module
Datasheet
CONFIDENTIAL NDA
Initial
General description
The Venice 6 FS2026 module is a complete
hardware and software solution for Internet radio,
network audio and DAB/FM-RDS products. It
provides the simplest and lowest-cost solution for
high-quality audio streaming from live Internet
radio stations or network-based music collections.
Several configurations are available, with different
combinations of integrated RF receivers for WiFi
networks, DAB Band 3, L-Band and FM reception.
Based around Frontier Silicon’s powerful Chorus 2i
processor, Venice 6 streams radio stations and
music files in a variety of formats and protocols
including MP3, Windows® Media Audio (WMA) and
REAL, and enables a new generation of stand-alone
network-based audio products.
Frontier Silicon provides a complete set of
evaluation and reference platforms, which can be
used to enable rapid development of
Venice 6-based systems. Applications include a
wide range of audio products, from kitchen and
alarm clock radios to CD micro systems,
boomboxes and HiFi tuners.
Modes
•
•
•
•
•
•
Live Internet radio broadcasts
Internet radio “listen again” on-demand content
Network audio playback
DAB Digital Audio Broadcast radio
FM radio reception with RDS
Audio playback from USB
Connectivity
• USB 2.0 device/host
• 802.11b/g – WEP, TKIP, WPA, WPA2 security
• On-board audio DAC with stereo analogue line
output
• Digital output for HiFi applications
• LCD interface supports range of display types
• Infrared remote control
• Keyboard presets, rotary encoder
Features
• Software upgradeable in the field
• Simple registration and configuration via
remote control
front panel
vTuner web portal
• Clock/alarms
• uPnP support
• On-board WiFi antenna for easy integration in
final products
Ordering information
Part
Description
• MP3, WMA, Real Audio
Playlist Support
• M3U, ASX, PLS, PLY
February 2007
WiFi
FS2026-WB
Audio Decoders
FS2026-W
WiFi, DAB Band 3, FM
FS2026-WD
WiFi, DAB L-Band and Band 3, FM
FS2026-B
DAB Band 3, FM
FS2026-D
DAB L-Band and Band 3, FM
Please contact Frontier Silicon for evaluation board.
FSQ 0000 1474 Rev 1
1/40
Datasheet
CONFIDENTIAL NDA
Venice 6
Legal and precautionary notices
Copyright © 2007 Frontier Silicon Ltd. and its licensors. All Rights Reserved.
This document is confidential and proprietary to Frontier Silicon. It may not be copied nor its contents
disclosed without written permission from Frontier Silicon. All external recipient organisations must
sign a non-disclosure agreement.
This document supersedes all previous versions. In line with its policy of continuous improvement,
Frontier Silicon reserves the right to make changes to products and documentation without notice.
Frontier Silicon accepts no liability for any losses alleged to have arisen from use of this document
or associated products.
The Frontier Silicon logo is a trademark of Frontier Silicon. Windows is a registered trademark of
Microsoft Corporation.
DAB and MP3 technologies are subject to end-user patent licences: please contact Frontier Silicon
for more details.
Frontier Silicon Limited
Gleneagles Ground Floor
The Belfry
Colonial Way
Watford
Herts
WD24 4WH
United Kingdom
Tel: +44 (0)1923 474200
Fax: +44 (0)1923 202251
E-mail: info@frontier-silicon.com
Web: www.frontier-silicon.com
CAUTION:
2/40
The product(s) described in this document contain staticsensitive parts and must be handled in a static-controlled
environment.
FSQ 0000 1474 Rev 1
Venice 6
CONFIDENTIAL NDA
Contents
List of figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
List of tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Document maturity key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
1.1
1.2
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1
2.2
Master mode application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
2.3
3
Venice 6 pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Slave mode application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Hardware interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1
DAB/FM broadcast input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
3.2
WiFi connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
3.3
Analogue audio output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
3.4
Digital audio output (I2S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
3.5
Asynchronous serial port (UART) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
3.6
Serial control bus (SCB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
3.7
Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
3.8
SD card interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
3.9
Ethernet interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
3.10
LCD port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
3.11
General Purpose I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
3.12
S/PDIF audio output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
3.13
Infrared remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
3.14
USB 2 interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
3.15
Debug connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
FSQ 0000 1474 Rev 1
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4
CONFIDENTIAL NDA
Venice 6
Power supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.1
4.2
5
Power-on timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Power-off timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Build options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.1
5.2
DAB/FM antenna connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
5.3
WiFi antenna connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
5.4
Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
5.5
6
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
F-type antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
6.2
WiFi performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
6.3
RF performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
6.3.1
6.3.2
7
DAB L-Band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.3.3
6.4
DAB Band 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
FM performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Audio specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Electrical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
7.2
Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
7.2.1
7.2.2
8
Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Main signal levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Mechanical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
8.1
Physical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
8.2
Physical layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
8.3
Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
8.3.1
8.4
J1 - main connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Mating connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Compliance standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Electrostatic discharge (ESD) protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Restriction of hazardous substances (RoHS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
4/40
FSQ 0000 1474 Rev 1
Venice 6
CONFIDENTIAL NDA
‘Green’ compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Glossary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
FSQ 0000 1474 Rev 1
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Datasheet
CONFIDENTIAL NDA
Venice 6
List of figures
Figure 1: Venice block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Figure 2: Venice pin assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Figure 3: Master mode application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Figure 4: Slave mode application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Figure 5: DC supply filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Figure 6: Board dimensions, top view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Figure 7: Board dimensions, side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Figure 8: Overall height with screen can lid fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Figure 9: Module connector locations, top view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Figure 10: Mating connector J4A-301S-320-B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Figure 11: Mating connector G7P-645-G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
6/40
FSQ 0000 1474 Rev 1
Venice 6
CONFIDENTIAL NDA
List of tables
List of tables
Table 1: Revision history. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Table 2: Audio analogue output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Table 3: Digital audio output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Table 4: Asynchronous serial port (UART) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Table 5: Serial control bus (SCB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Table 6: Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Table 7: SD card interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Table 8: GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Table 9: S/PDIF audio output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Table 10: Infrared remote. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Table 11: USB 2 interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Table 12: USB parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Table 13: DASH connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Table 14: Power supply requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Table 15: Flash memory support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Table 16: WiFi performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Table 17: Band 3 performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Table 18: L-Band performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Table 19: FM performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Table 20: Audio bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Table 21: Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Table 22: Typical operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Table 23: Main signal levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Table 24: Mating connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Table 25: References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
FSQ 0000 1474 Rev 1
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Datasheet
CONFIDENTIAL NDA
Venice 6
Revision history
Revision
number
1
Date
February 2007
Document
maturity
Initial
Description
First release
Table 1: Revision history
Document maturity key
Initial
Preliminary
Preliminary data; minor details may be missing or subject to change.
Complete
All sections complete.
Revised
Additions/corrections incorporated.
Obsolete
8/40
Initial data, all subject to change.
Document refers to a discontinued or soon-to-be-discontinued product.
Withdrawn from external distribution.
FSQ 0000 1474 Rev 1
Venice 6
CONFIDENTIAL NDA
1
Introduction
1.1
1 Introduction
Features
Figure 1 shows a block diagram of the Venice 6 module. The main components are the WiFi
receiver, the Apollo FS1110 tri-band RF front end, the Chorus 2i FS1020 processor, a serial boot
FLASH and an audio DAC.
Venice 6
Flash
SDRAM
WiFi
Display
WiFi
Chorus 2
DAB L-Band
DAC
Apollo
FM/DAB Band 3
Keypad
USB
SD
GPIO
Figure 1: Venice block diagram
The Chorus 2i processor is an extremely flexible baseband receiver covering a number of
physical layer standards, particularly those utilising COFDM modulation. The baseband signal
processing is achieved using a blend of hardware and software to optimise trade-offs between
power, cost and flexibility.
Venice 6 measures 40 x 112 mm (with on-board antenna) or 40 x 107 mm (without on-board
antenna). The underside of the module has a 'solid copper' ground plane and all components are
on the top of the module. With the exception of the connectors and screw holes, all components
are fitted inside the two-chamber screen can. The RF and baseband sections are screened from
each other.
1.2
Feedback
To contribute feedback on this document, please e-mail
technical-publications@frontier-silicon.com.
Include the following information:
• document title, number and date:
Venice 6 FS2026 Datasheet, FSQ 0000 1474 Rev 1, February 2007,
• section number and heading if referring to a specific part of the document.
FSQ 0000 1474 Rev 1
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Datasheet
2
CONFIDENTIAL NDA
Venice 6
Applications
Venice 6 is designed to work in different applications in either master or slave mode. The 64-way
pin connector available on the module provides a range of functionalities which can be
interfaced to drive different peripherals to form a full system.
This chapter presents some common applications using Venice 6.
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Venice 6
2.1
CONFIDENTIAL NDA
2 Applications
Venice 6 pin assignments
Figure 2 shows possible signals that can exist on the Venice 6 pins.
1.2 V
3.3 V
2
3.3 V
SCB/SCP interface
6
GPIO
8
UART
10
USB2
12
USB2
14
SPI/SD card
16
Keyboard ROW1
18
Keyboard ROW3
20
Keyboard ROW2
22
Keyboard ROW4
24
SPI/SD card
26
SPI/SD card
28
Ground (SPI)
30
SPDIFOUT
32
SD_DETECT
34
LCD display
36
LCD display
38
LCD display
40
LCD display
42
LCD display
44
LCD display
46
2
1.2 V
GND
4
GND
SCP2CLK
SCP2DATA
GPIO
GPIO
Ground (I S)
48
AUD_SFR
50
AUD_SDOUT0
52
Rotary encoder 2
54
GPIO
56
Rotary encoder 4
58
Rotary encoder 1
60
Ground
62
AUD_L
64
S1_DIN
S1_DOUT
USBDP
USBDM
USB VBUS
GND (USB)
USB_
VBUS_DRIVE
USB_
VBUS_FAULT
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO0
GPIO
SPI1_CSn2_SD card
GPIO
SPI1_MOSI
SPI1_MISO
Ground (SPI)
SPI1_SCLK
SPDIFOUT
SD_DETECT
LCD_F_VSYNC
SYS_nRST
SD_PROTECT
LCD_M_HSYNC
LCD_PE_CLK
LCD_LRS_EN
LCD_DAT[0]
Ground (LCD)
LCD_DAT[2]
LCD_DAT[1]
LCD_DAT[4]
LCD_DAT[3]
LCD_DAT[6]
LCD_DAT[5]
Ground (I2S)
LCD_DAT(7)
AUD_SFR
AUD_MCLK
AUD_SDOUT0
AUD_SCLK
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
Ground
Audio ground
AUD_L
AUD_R
1
3
5
SCB/SCP interface
7
GPIO
9
UART
11
USB2
13
GND (USB)
15
USB2
17
Keyboard COL3
19
Keyboard COL1
21
Keyboard COL4
23
Keyboard COL2
25
GPIO
27
SPI/SD card
29
SPI/SD card
31
SYS_nRST
33
SD_PROTECT
35
LCD display
37
LCD display
39
Ground (LCD)
41
LCD display
43
LCD display
45
LCD display
47
LCD display
49
AUD_MCLK
51
AUD_SCLK
53
GPIO
55
GPIO
57
Rotary encoder 3
59
IR remote / GPIO
61
Audio ground
63
AUD_R
Figure 2: Venice pin assignments
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Datasheet
2.2
CONFIDENTIAL NDA
Venice 6
Master mode application
Figure 3 shows Venice 6 in master mode implementation, functioning as the main system
controller in the radio.
WiFi
On/off
9 V 1200 mA DC
or 6 x C cells
DAB/
FM
1.2 V LDO
Power
on/off
hardware
3.3 V LDO
Amplifier
control
Audio PA
Audio L/R
Aux out
Venice 6
S/PDIF
USB host
Parallel
LCD bus
Keypad and rotary encoders
SD card
DAB
FM
MP3
AUDIO
DATA
Dimmable
backlight
Display
Figure 3: Master mode application
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Ethernet
IR receiver
Venice 6
2.3
CONFIDENTIAL NDA
2 Applications
Slave mode application
Figure 4 shows Venice 6 in a slave mode implementation.
WiFi
DAB/
FM
USB
Flash/
hard drive
DAB
FM
MP3
AUDIO
DATA
Display
Venice 6
Data
Host
processor
Control
Keypad
Figure 4: Slave mode application
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Datasheet
3
CONFIDENTIAL NDA
Venice 6
Hardware interfaces
Venice 6 supports a number of hardware interfaces. The characteristics of these interfaces are
detailed below. Figure 2 shows the pin assignments on the main connector, J1.
Note:
3.1
Some of these interfaces may be mutually exclusive.
DAB/FM broadcast input
Two RF inputs are provided and can support any combination of Band 2 (FM), Band 3 (DAB) and
L-Band (DAB). The RF input connector site can accept one of the following connectors:
• 2.6 mm UMP
• SMA
• SMB
• F-type
• coaxial flying lead (pig-tail).
3.2
WiFi connection
The WiFi connection is both a transmitter and a receiver. WiFi can be connected as an option by
a connector, or the product can be shipped with an integral, board-mounted, antenna with a link
connecting it to the WiFi radio block. The link and antenna can be removed to allow the fitement
of an RF connector, or cable if required.
The WiFi connection can support either of the following connectors:
• 2.6 mm UMP
• SMA
3.3
Analogue audio output
A stereo line level output is provided by the on-PCB stereo audio DAC.
Parameter
Load resistance
Min
Typ
Max
3.0
To mid-rail or AC coupled
VRMS
into 10 kΩ
%
THD full scale
102
dB
3.3 V supply
TBD
20,000
Hz
In DAB mode
TBD
12,500
Hz
In FM mode
0.6
THD (full scale)
0.01
3 dB audio bandwidth
(referenced to 1 kHz level)
95
97
0.02
Table 2: Audio analogue output
14/40
Comments
kΩ
Signal level
SNR
Units
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Venice 6
3.4
CONFIDENTIAL NDA
3 Hardware interfaces
Digital audio output (I2S)
An I2S bus is provided comprising master clock, bit clock, sample frame, stereo in, and stereo
out for basic stereo operation with an external DAC or CODEC.
• LR clock - 1 x fS clock from either 256fS or 384fS clock.
• Bit clock - generated with appropriate extra clocks for 16 bit data in 32 bit frame, etc.
• Frame - 32/48/64 bits (2 channels).
• Serial data - MSB first; left justified or right justified 16/18/20/22/24/28/30/32 bits.
Pin
number
Pin description Alternate usage
49
AUD_MCLK
50
AUD_SFR
51
AUD_SCLK
52
AUD_SDOUT0
-
Driver
capability
2 mA
Table 3: Digital audio output
Note:
3.5
If S/PDIF is the main audio output and the I2S bus is not used, pins 49-52 may be used as GPIOs.
Asynchronous serial port (UART)
Venice 6 provides a UART channel at the 2 x 32-way connector. The maximum baud rate
available on this UART is 115200 baud.
Pin
number
Pin description Alternate usage
9
S1_DOUT
10
S1_DIN
Spare GPIO
Driver
capability
2 mA
Table 4: Asynchronous serial port (UART)
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Datasheet
3.6
CONFIDENTIAL NDA
Venice 6
Serial control bus (SCB)
The serial control bus is a bi-directional, two-wire, open collector SCP-style bus and is used to
control Venice 6 by the host processor.
The functionality of the SCB is master/slave transmitter/receiver in standard or fast mode (100/
400 kHz). Multi-master operation is not supported by this port. These pins are 5 V tolerant.
Pin
number
Pin description Alternate usage
5
SCP2DATA
Display control
6
SCP2CLK
Driver
capability
Display control
4 mA
Table 5: Serial control bus (SCB)
3.7
Serial peripheral interface (SPI)
The serial peripheral interface (SPI) pins can be used to interface the Venice 6 module to an SD
card or an Ethernet chip to provide wired connectivity.
The SPI pins are shown in Table 6.
Pin
number
SPI mode
Alternate
usage
5
SPI2_CSn
6
SPI2_SCLK
7
SPI2_SO
GPIO
7
SPI2_SI
GPIO
26
SPI1_CSn2_SD card
GPIO
27
SPI1_MISO
GPIO
28
SPI1_MOSI
GPIO
29
SPI1_SCLK
GPIO
Driver
capability
4 mA
2 mA
8 mA
2 mA
Table 6: Serial peripheral interface (SPI)
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3.8
CONFIDENTIAL NDA
3 Hardware interfaces
SD card interface
The SPI port can be used to interface with an SD card. The connectivity between Venice 6 and an
SD card is shown in Table 7.
Pin
number
SD card interface
Venice 6
1
Card detect DAT3
SPICS1
2
Command/response
SPISO
3
Ground
4
Supply voltage
5
Clock
6
Ground
7
Data bit 0
SPISI
8
Data bit 1
GPIO
9
Data bit 2
10
Detect
11
Protect/detect
Ground
12
Protect
GPIO
SPICSLK
Table 7: SD card interface
3.9
Ethernet interface
For information about the Ethernet interface, see the Application Note.
3.10
LCD port
TBD
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3.11
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Venice 6
General Purpose I/O
When the hardware is suitably configured some of the following lines may be used as GPIO
signals. The state of each GPIO signal can be read by software. The logic level and tri-state drive
of each GPIO signal can also be controlled by software.
Pin
number
Pin
description
7
GPIO
8
GPIO
9
GPIO
10
GPIO
17
GPIO
18
GPIO
19
GPIO
20
GPIO
21
GPIO
22
GPIO
23
GPIO
24
GPIO
25
GPIO
26
GPIO
27
GPIO
28
GPIO
29
GPIO
32
GPIO
Driver
capability
2 mA
8 mA
2 mA
Table 8: GPIO
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CONFIDENTIAL NDA
Pin
number
Pin
description
33
GPIO
34
GPIO
36
GPIO
37
GPIO
38
GPIO
40
GPIO
41
GPIO
42
GPIO
43
GPIO
44
GPIO
45
GPIO
46
GPIO
47
GPIO
49
GPIO
50
GPIO
51
GPIO
52
GPIO
53
GPIO
54
GPIO
55
GPIO
56
GPIO
57
GPIO
58
GPIO
59
GPIO
60
Driver
capability
GPIO
35
3 Hardware interfaces
8 mA
GPIO
2 mA
8 mA
Table 8: GPIO
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Datasheet
3.12
CONFIDENTIAL NDA
Venice 6
S/PDIF audio output
The S/PDIF audio output carries a stereo digital audio output on a single wire using the signal
format defined in IEC60958 [reference 13].
Pin
number
32
Alternate
usage
Pin description
S/PIDIF OUT
-
Driver
capability
4 mA
Table 9: S/PDIF audio output
3.13
Infrared remote
An Infrared Remote (IR) interface is present on the main connector, J1.The Philips RC5 IR
protocol is supported.
Pin
number
59
Pin description
IR remote
Alternate
usage
Driver
capability
GPIO
Table 10: Infrared remote
3.14
USB 2 interface
A USB 2.0 interface is available on the module, which supports both device and host operation.
Pin
number
Pin description
Alternate
usage
11
USBDM
USB2
12
USBDP
USB2
13
Gnd (USB)
Gnd (USB)
14
USB VBUS
USB2
15
USB_VBUS_FAULT
USB2
16
Driver
capability
USB_VBUS_DRIVE
Table 11: USB 2 interface
The USB parameters are shown in Table 12.
Parameter
Min
Typ
High level output voltage
Low level output voltage
Pin current
3.6
Units
V
0.6
0.45
Table 12: USB parameters
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Max
FSQ 0000 1474 Rev 1
mA
Venice 6
3.15
CONFIDENTIAL NDA
3 Hardware interfaces
Debug connector
An optional debug connector can be fitted.
Pin
number
Function Chorus 2i pads
ATMEL
FLASH
1
TMS
JTAG_TMS
JTAG Test Port Test Mode Select
2
TDO
JTAG_TDO
JTAG Test Port Data Out
3
TCK
JTAG_TCK
JTAG Test Port Clock
4
TDI
JTAG_TDI
JTAG Test Port Data In
5
-
-
6
Ground
Ground
7
Ground
Ground
8
SYS_RST
SYSA_RSTn
9
Ground
Ground
10
FCS
CS#
11
FSI
SI
12
FSCK
SCLK
13
Ground
Ground
14
FSO
SO
15
3V3
Supply
Pad function description
Table 13: DASH connector
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CONFIDENTIAL NDA
Venice 6
Power supplies
Venice 6 requires a 1.2 V ± 10% supply, (optionally 1.0 V ± 5%), for the digital baseband circuits
and 3.3 V + 5% / - 10% for the RF circuits and other baseband devices such as the audio DAC.
Both supplies should be clean with low ripple. Any noise on these supplies will affect
performance.
Supply level, mA
Voltage, V
3.3
Typ
Condition
Max
350
DAB only
160
350
Soft FM
300
600
Internet radio
400
900
Internet radio and
DAB/FM
180
350
DAB only
180
350
Soft FM
250
350
Internet radio
400
1.2
160
5050
Internet radio and
DAB/FM
Table 14: Power supply requirements
There is some supply filtering on the Venice 6 DC supply lines. This takes the form of a Pi
network with a ferrite bead inductor in the supply line and with one or more capacitors to ground
on either side.
1V2_INPUT
1V2_CORE
L1
600
@ 100 MHz
C1
100nF
C3
100nF
C2
10uF
Figure 5: DC supply filtering
Venice 6 must have its voltage rails regulated. Choose regulators that will cope with power
requirements in excess of those required, due to the burst requirements of the DAB receiver.
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CONFIDENTIAL NDA
4 Power supplies
Incorporate suitable bulk de-coupling to provide for the burst nature of the module’s power
requirements and to reduce the noise and ripple applied to the module. The capacitors should
be mounted as close as possible to the 2 x 32-way connector.
Locate the regulators as close as possible to the module connector. Use a solid ground plane if
possible. If this is not possible, use large tracks with the ground connections from each
regulator joining close to the module.
4.1
Power-on timing
The 3.3 V supply must always be at a higher voltage than the 1.2 V supply. Thus, the 3.3 V should
come on first. This can be arranged via ordering of the linear regulators, scaling of decoupling
capacitors, or by use of reset management chips (where the 1.2 V regulator has an enable).
When in slave mode, the time at which commands can be accepted is identified by the issuance
of a ‘Command Reset’ message over the serial interface. This indicates that the module has
concluded its boot process.
4.2
Power-off timing
Venice 6 is designed so that the power can be removed in any order at any time without affecting
the module. However, when in slave mode the power to the digital section should be removed
not less than 400 ms after the previous command was issued. This ensures that the command
is processed.
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CONFIDENTIAL NDA
5
Build options
5.1
Venice 6
Introduction
Venice 6 has been designed for flexibility in application and use. This section describes the
different build options available on the module.
5.2
DAB/FM antenna connectivity
The main DAB/FM antenna connector may be any one of the following:
• 2.6 mm UMP,
• SMA,
• SMB,
• F-Type,
• coaxial flying lead (pig-tail) 75 Ω.
These connectors can support operation in Bands 2/3 and L-Band.
5.3
WiFi antenna connectivity
The module supports the following WiFi antenna options:
• on-board printed F-antenna,
• SMA,
• 2.6 mm UMP.
5.4
Flash memory
Venice 6 supports an on-board Flash memory with an SPI compatible interface. Memories of 4,
8, 16 and 32 Mb capacities are supported.
Note:
Size of Flash used will depend on software features required by customers.
Flash memory, Mb Example Atmel parts
4
AT45DB041D-SU
8
AT45DB081D-SU
16
AT45DB161D-SU
32
AT45DB321D-SU
Table 15: Flash memory support
5.5
F-type antenna
TBD
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CONFIDENTIAL NDA
6
Performance characteristics
6.1
6 Performance characteristics
Introduction
Venice 6 supports 802.11 b/g WiFi connectivity.
Venice 6 is a Eureka 147 DAB receiver to EN61000-4-2 supporting:
• Band 3 (174.928 MHz to 239.20 MHz)
Korean Band 3 (175.280 MHz to 214.736 MHz)
• L-Band (1452.960 MHz to 1490.624 MHz)
Canadian L-Band (1452.816 MHz to 1491.184 MHz)
with typical performance equal to or better than EN50248:2001 [reference 10].
Venice 6 supports Band 2 Soft FM (87.5 MHz to 108 MHz) and meets parts of the BS 5942-2:1987
Hi-Fidelity minimum performance when tested to BS 60315-4 [reference 11].
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Datasheet
6.2
CONFIDENTIAL NDA
Venice 6
WiFi performance
Venice 6 supports the mandatory modes required by 802.11b and 802.11g plus some optional
modes to provide those listed in Table 16. The maximum transmit power of the WiFi module is
limited to 20 dBm Effective Isotropic Radiated Power (EIRP). The WiFi module’s transmit power
and the antenna gain added together must not exceed 20 dBm EIRP.
Sensitivity
Mode
Bit Rate
Modulation
Minimum
Transmit
EVM
Typical
DSSS
1 Mbs
DBPSK
-83dBm 8% FER
-94dBm 8% FER
& lt; 35% peak
DSSS
2 Mbs
DQPSK
-83dBm 8% FER
-94dBm 8% FER
& lt; 35% peak
HR/DSSS
5.5 Mbs
DQPSK
-83dBm 8% FER
-93dBm 8% FER
& lt; 35% peak
HR/DSSS
11 Mbs
DQPSK
-83dBm 8% FER
-91dBm 8% FER
& lt; 35% peak
ERPOFDM
6 Mbps
BPSK 1/2 rate
-82dBm 10% PER
-89dBm 10% PER
-5 dB RMS
9 Mbps
BPSK 3/4 rate
-81dBm 10% PER
-89dBm 10% PER
-8 dB RMS
12 Mbps QPSK 1/2 rate
-79dBm 10% PER
-89dBm 10% PER
-10 dB RMS
18 Mbps QPSK 3/4 rate
-77dBm 10% PER
-87dBm 10% PER
-13 dB RMS
24 Mbps 16QAM 1/2 rate -74 dBm 10% PER -85 dBm 10% PER -16 dB RMS
36 Mbps 16QAM 3/4 rate -70 dBm 10% PER -81 dBm 10% PER -19 dB RMS
48 Mbps 64QAM 2/3 rate -66 dBm 10% PER -75 dBm 10% PER -22 dB RMS
54 Mbps 64QAM 3/4 rate -65 dBm 10% PER -74 dBm 10% PER -25 dB RMS
Table 16: WiFi performance
6.3
RF performance
6.3.1
DAB Band 3
(Unless otherwise specified Ta = 25°C, Vcc = 3.3 V,
Operating mode = decoding one DAB stereo audio channel at 192 kbit/s)
Parameters
Band 3 tuning range
Band 3 large signal
Band 3 sensitivity
Min
Typ
174.928
239.200
-5
0
-95
Units
MHz
-97
Band 3 far off selectivity
40
Band 3 adjacent channel
30
dBm
dB
32
Table 17: Band 3 performance
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Max
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Max Power
(EIRP)
20 dBm
Venice 6
6.3.2
CONFIDENTIAL NDA
6 Performance characteristics
DAB L-Band
(Unless otherwise specified Ta = 25°C, Vcc = 3.3 V,
Operating mode = decoding one DAB stereo audio channel at 192 kbit/s)
Parameters
Min
Typ
Max
L-Band tuning range
TBD
TBD
TBD
Canadian L-Band
TBD
TBD
TBD
L-Band large signal
TBD
TBD
TBD
L-Band sensitivity
TBD
TBD
TBD
L-Band far off selectivity
TBD
TBD
TBD
L-Band adjacent channel
TBD
TBD
Units
MHz
TBD
dBm
Table 18: L-Band performance
6.3.3
FM performance
(Unless otherwise specified Ta = 25°C, Vcc = 3.3 V,
Operating mode = decoding one FM stereo audio channel at +/- 75 kHz with 1 kHz tone)
Parameters
Min
Typ
Max
Units
FM band tuning range
89.5
-
108
MHz
FM sensitivity (S+N)/
N=26dB
-106
-108
-
dBm
Large signal handling
capacity
-
0
-
(S+N)/N ultimate signal-tonoise ratio
-
63
-
dB
THD
-
0.15
-
%
Tuning step size
-
50
-
KHz
FM selectivity (+200 kHz)
(-200 kHz)
30
40
-
dB
25
40
-
Stereo separation
25
40
-
Table 19: FM performance
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Datasheet
6.4
CONFIDENTIAL NDA
Venice 6
Audio specification
(Unless otherwise specified, Ta = 25°C, Vcc = 3.3 V).
Mode of Operation
Lower 3 dB frequency limit
(with respect to 1 kHz)
Higher 3 dB frequency limit
(with respect to 1 kHz)
FM
20 Hz
12.5 kHz
DAB
20 Hz
20 kHz
Table 20: Audio bandwidth
A typical SNR of 99 dBA is achieved, worst case 97 dBA, in DAB mode. This is dependant on the
load applied.
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7
Electrical specification
7.1
7 Electrical specification
Absolute maximum ratings
Parameter
Min
Typ
Max
3V3 power terminal
-0.3
3.3
4.0
1V2 power terminal
-0.3
1.2
-0.3
Comments
1.32
VIN
Unit
5.5
V
V
Other than supply
pins
IOUT
Humidity
-40
+85
°C
10
Storage temperature
100
mAa
0
90
RF input
Other inputs
Outputs
%
Non-condensing
0
3.6
-0.3
-20
dBm
V
+20
mA
Table 21: Absolute maximum ratings
a. Total for all I/O
7.2
Typical values
7.2.1
Operating conditions
Parameter
Operating temperature
3V3 input current
1V2
Min
Typ
-10
Max
Comments
°C
+70
350 - 500
160
Units
WiFi
mA
DAB and FM
Table 22: Typical operating conditions
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7.2.2
CONFIDENTIAL NDA
Venice 6
Main signal levels
Parameter
Min
Typ
Max
LOW level input voltage
-0.3
0.8
HIGH level input voltage
2
5.5
Threshold point
1.33
1.42
1.52
Schmitt trigger low-to-high threshold
1.67
1.73
1.79
Schmitt trigger high-to-low threshold
1.01
1.07
1.15
Input leakage current
-10
Table 23: Main signal levels
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Units
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+10
V
μA
Venice 6
CONFIDENTIAL NDA
8
Mechanical specification
8.1
8 Mechanical specification
Physical specification
Venice 6 is a single-sided assembly built on to a 6-layer printed circuit board. The RF and
baseband circuitry are shielded to meet EMC and RF performance specifications. The shielding
separates the RF and baseband sections.
The module has a 64-way (2 x 32-way) 2.54 mm pitch, main connector mounted along one edge.
This allows the use of either vertical or right angle mount connectors.
8.2
Physical layout
The following diagrams show the placement of the major components when viewed from the top
and the dimensions in mm.
Figure 6: Board dimensions, top view
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Figure 7: Board dimensions, side view
Figure 8: Overall height with screen can lid fitted
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8.3
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8 Mechanical specification
Connectors
The module supports three connectors.
• J4/J6/J7 are the RF input connectors
J4 and J6 support 2.6 mm UMP, SMB, SMA and F-type connectors
J7 supports 2.6 mm UMP and SMA connectors
• J2 (DASH debug connector) is offered as an optional extra on production units.
• J1 is the main connection to Venice 6 and carries all logic and power connections.
J6
J7
J4
J1
Figure 9: Module connector locations, top view
8.3.1
J1 - main connector
J1 is a 2 x 32-way dual row and 2.54 mm pitch, through PCB part.
8.4
Mating connectors
The following items are the female connectors that we recommend for placement on a customer
application.
Manufacturer
Part number
Type
Imperial
J4A-301S-320-B
64-way Through-hole mount female connector
Imperial
G7P-645-G
64-way Surface mount female connector
Table 24: Mating connectors
The mating connectors are shown in Figure 10 and Figure 11. They have a limited number of
cycles of operation before they wear out. We recommend that they are connected/disconnected
no more than xx times. They are not Frontier Silicon parts and may be subject to change.
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Figure 10: Mating connector J4A-301S-320-B
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8 Mechanical specification
The G7P-645-G mating connector is shown in Figure 11.
Figure 11: Mating connector G7P-645-G
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Venice 6
Compliance standards
Electromagnetic compatibility (EMC)
Venice 6 is tested in configurations representative of typical DAB consumer products to the
following standard:
BS EN 55022:1998
BS EN 55013: 2001
The electromagnetic compatibility of a particular product is dependent upon the use and
installation of the module within the product. Care should be taken to integrate the module with
due regard to the effects of conducted and radiated signals.
Electrostatic discharge (ESD) protection
Venice 6 is an ESD-sensitive device. It is tested to EN300.401. Special handling precautions
should be used during manufacturing and testing. For example, use electrostatic controls
compliant with ANSI/ESD S20.20 [reference 18] or JEDEC Standard JESD-625 [reference 17].
Restriction of hazardous substances (RoHS)
All Frontier Silicon products use RoHS certified components and are assembled using lead-free
processes; see the Frontier Silicon Declaration of Materials Compliance [reference 2].
‘Green’ compliance
Frontier Silicon adheres to best industry practice regarding the avoidance of environmentally
harmful substances in products, above and beyond legal requirements such as RoHS.
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Bibliography
Bibliography
The following documents provide background, peripheral or more detailed information for
Venice 6. They are not all specifically referenced within the text of this datasheet.
Document
Domain
Title
Frontier Silicon
No
1 Environmental Policy
FSQ 0000 0329
2 Declaration of Materials Compliance
FSQ 0000 1008
Venice 6 FS2026
Product description
3 Product Brief
FSQ 0000 1019
4 Software Product Specification
-
Chorus 2i FS1020
Highly Integrated DAB
System-on-Chip
5 Product Brief
FSQ 0000 0604
6 Overview Datasheet
FSQ 0000 1161
7 Hardware Datasheet
FSQ 0000 1346
8 Product Brief
FSQ 0000 0626
9 Datasheet
FSQ 0000 0612
10 Characteristics of DAB Receivers
BS EN
50248:2001
11 Methods of measurement on radio receivers
for various classes of emission
BS 60315-4
12 High fidelity audio equipment and systems;
minimum performance requirements.
BS 59422:1987
13 Digital Audio Interface, parts 1 and 3
IEC 60958
14 Information technology equipment. Radio
disturbance characteristics. Limits and
methods of measurement
BS EN
55022:1998
15 (Incorporating Corrigendum No 1). Sound and
Television Broadcast Receivers and
associated equipment - Radio disturbance
characteristics - Limits and methods of
measurement.
BS EN 55013:
2001
16 Electrostatic Discharge (ESD) Sensitivity
Testing Human Body Model (HBM)
JESD22-A114
17 Requirements For Handling Electrostaticdischarge-sensitive (ESDS) Devices
JESD625
18 ESD Association Standard for the
Development of an Electrostatic Discharge
Control Program for –
Protection of Electrical and Electronic Parts,
Assemblies and Equipment (Excluding
Electrically Initiated Explosive Devices)
ANSI/ESD
S20.20
Apollo FS1110
Tri-Band Dual-Mode T-DMB
Radio Receiver IC
British Standards
JEDEC
EDA (Electrostatic Discharge
Association)
Table 25: References
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Glossary
CPU
DAB
Digital Audio Broadcasting
DMB
Digital Multimedia Broadcasting
FMI
(NAND) Flash Memory Interface
GPIO
General Purpose Input/Output
IC
Integrated Circuit
NAND
NOT AND (Boolean logic)
PC
[Wintel-compatible] Personal Computer
SCP
Serial Control Protocol
SPI
Serial Peripheral Interface
SPI master
Provides SPI clock and initiates data transactions and requests
SPI slave
Receives SPI clock and responds to data transactions and requests
SRAM
Static Random Access Memory
UART
Universal Asynchronous Receiver Transmitter
USB
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Central Processing Unit
Universal Serial Bus
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RF Chipset Descriptions
The Marvel 88W8686 RF chipset provides the combined functions of the IEEE
Standard 802.11/802.11b Direct Sequence Spread Spectrum (DSSS), 802.11a/g (802.11a
is not used in this product) Orthogonal Frequency Division Multiplexing (OFDM)
baseband modulation, Medium Access Controller (MAC), CPU, memory, host interfaces,
and direct conversion WLAN RF radio on a single integrated chip. The block diagram of
the RF chipset is shown in Fig. 3.
Block diagram of 88W8686
Main Features
General Features
• 802.11b/g wireless RF and baseband, MAC, CPU, memory, and host
interfaces
• Integrates all RF to baseband transmit and receive operations, with support
for external PAs
Payload Data Rates
• IEEE 802.11 data rates of 1 and 2 Mbps
• IEEE 802.11b data rates of 5.5 and 11Mbps
• IEEE 802.11g data rates of 6, 9, 12, 18, 24, 36, 48, and 54 Mbps
Network
MAC
•
•
•
•
Supports Ad-Hoc and Infrastructure modes
Hardware filtering of 64 multicast and 96 unicast addresses and additional
firmware options
Supports long and short preamble generation on a frame-by-frame basis
Supports IEEE Power Save mode
Security
• WEP 64- and 128-bit encryption with hardware TKIP processing
• WPA (Wi-Fi Protected Access)
• CCMP hardware implementation as part of 802.11i security standard
Physical Layer
Baseband
• DSSS and OFDM modulation
• Advanced Equalizer for Complementary Code Keying (CCK) modes
CPU
•
•
Integrated S3C2440A (ARM9) -Compliant Marvell Feroceon CPU
400 MHz operating frequency
2.412 – 2.462GHz
Simplified Radio Block Diagram
Radio Architecture
The 88W8686 direct conversion WLAN RF radio integrates all necessary functions
for receive and transmit, including LNAs, up and down converters, adjustable gain
amplifier, filter, and pre-drivers.
The supported frequency channels for operation in the 2.4 GHz ISM radio bands are
shown in below table.
Receive Path
The 88W8686 receiver consists of:
•
•
•
•
2.4 GHz LNA/quadrature down conversion mixers
Variable gain amplifiers
Pair of baseband LPFs
Programmable gain amplifiers (analogue signal processing on the
quadrature demodulated signals)
Receive Automatic Gain Control
The 88W8686 supports a proprietary AGC interface between the radio and
baseband processor. To manage overall gain distribution, the total gain is distributed
among the RF and baseband stages. The total gain is realized through variable gain stages
within each of the RF, and baseband sections.
The gain adjustment of the integrated LNA and AGC is seamlessly controlled by
the baseband processor functions integrated into the 88W8686. The entire receive path
has over 90 dB of voltage gain and 90 dB of gain control range.
Baseband Circuits
The quadrature demodulator down converts and I/Q splits the signal received to
in-phase and quadrature phase. Signals are then passed through a pair of LPFs to reject
the adjacent channel energy, and a pair of variable gain stages amplifies the signal to the
full scale of the analog to digital converters.
Both the corner frequency of the LPF and the offset of the baseband stages are
calibrated automatically. These calibrations occur frequently enough to adjust for
changes in environmental conditions.
Transmit Path
The transmit path includes:
• Pair of LPFs
• Pair of baseband variable gain amplifiers
• Quadrature up-converter
• RF variable gain amplifier
• 2.4 GHz preamplifier
Tx Radio Band Operation
The variable gain amplifier is used for power control. The preamplifier is designed
to support a wide range of external power amplifiers. The embedded power control loop
is also flexible enough to accept a wide range of power detector characteristics.
Tx Power Control
The transmitter signal path is affected by changes in environmental conditions and
the accuracy of external components. Therefore, proper gain control is required to
account for gain variations in the transmit signal path due to temperature and process
variations.
Gain control is accomplished with a power control loop circuit. The loop consists of
a power detector that monitors the actual PA output during every Tx packet and compares
that level with a power detect threshold. That gain is then adjusted on the next Tx packet.
The power of each WiFi module is calibrated to the value in module specification
and the gain setting is stored in EEPROM. This gain setting limits the maximum power
transmission that is guaranteed to be lower than the test mode samples.