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cobraDOS.rar

Mikrokomputer COBRA 1

Tak wyobrażam sobie płytkę COBRA-DOS , zastosowałem złącze do oryginalnej płyty , oraz na kartrige . https://obrazki.elektroda.pl/4517503100_1629623906_thumb.jpg 1101745


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  • cobraDOS.rar
    • SDcobra.pdf
    • SDcobra.png


cobraDOS.rar > SDcobra.pdf

1

2

3

4

5

6

R9
10K

5V

4

5

6

MOSI
GND

18
17
16
15
14
13
12
11

CLK
Bat

4

14

6

(PCINT24/RXD0)PD0

15

3

5V

VI

C1

(PCINT26/RXD1/INT0)PD2
(PCINT27/TXD1/INT1)PD3
(PCINT28/XCK1/OC1B)PD4

A1
A0

(PCINT294/OC1A)PD5

20

(PCINT30/OC2B/ICP)PD6

21

(PCINT31/OC2A)PD7

Q5_
D0
D1
D2
GND
D3
D4
D5
D6
D7

1

C2

2

C

VO

100uF

SD_Card

13
SHELL2
12
SHELL1
11
WRITE_PROTECT
10
CARD_DETECT
_moje:SD_CARD

DAT1
DAT0
VSS
CLK
VDD
VSS
CMD
CD/DAT3
DAT2

8
7
6
5
4
3
2
1
9

5V

R1
10k

100uF

GND

A6

WAIT

A0
WAIT

WR

RD

RD
GND

D6
D4
D2
D0

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

Q5_
B

5V

A5
A1

WR

C

D7
D5
D3
D1
GND

R4
1.8k
220
R8

GND

6B
7B
8B
9B
10B
11B
12B
13B
14B
15B
16B
17B
18B
19B
20B
21B
22B
23B
24B
25B
26B
27B
28B

(PCINT25/TXD0)PD1

ATMEGA644PA-P

GND

R

74HC73

6F
7F
8F
9F
10F
11F
12F
13F
14F
15F
16F
17F
18F
19F
20F
21F
22F
23F
24F
25F
26F
27F
28F

5V

(PCINT23/TOSC2)PC7

19

U3
LM2931Z-3.3/5.0

A6
A5

(PCINT22/TOSC1)PC6

29

A1
A5

1B
2B
3B
4B

(PCINT21/TDI)PC5

28

8

1F
2F
3F
4F

(PCINT20/TDO)PC4

27

A6

5V

(PCINT19/TMS)PC3

26

3,3 V

U5

(PCINT18/TCK)PC2

25

7
8

kartrige2x28

(PCINT17/SDA)PC1

24

RD
A0

U1A

P2

(PCINT16/SCL)PC0

18

WAIT

COBRA

C3

GND

GND

(PCINT15/SCK)PB7

17

9

100nF

(PCINT14/MISO)PB6

16

Q

10

(PCINT13/MOSI)PB5

23

RX
TX

5V

VCC

(PCINT12/OC0B/SS)PB4

22

Battery_Cell

Q5_

32

11

OSCO

AREF

DS1302
6
5

RX
TX
GND

J1

(PCINT11/AIN1/OC0)PB3

8

IO
RST

3
2
1

(PCINT10/AIN0/INT2)PB2

7

OSCI

com

(PCINT9/CLKO/T1)PB1

6

2

12p

13

(PCINT8/T0/XCK)PB0

5

32768 Hz

Q

AVCC

(PCINT7/ADC7)PA7
XTAL1

12p

12

(PCINT6/ADC6)PA6

33

4

3

10
K
5
C
7
J

XTAL2

(PCINT5/ADC5)PA5

34

GND

74LS245

(PCINT4/ADC4)PA4

35

3

Y1

B

A- & gt; B
CE

36

2

10

1
19

16 Mhz

(PCINT3/ADC3)PA3

1

U4

WR

A

(PCINT2/ADC2)PA2

37

31

B0
B1
B2
B3
B4
B5
B6
B7

1

A0
A1
A2
A3
A4
A5
A6
A7

VCC

2
3
4
5
6
7
8
9

D0
D1
D2
D3
D4
D5
D6
D7

9

(PCINT1/ADC1)PA1

38

J2

GND

U2

VCC

20

AVR-ISP-6

C6
RESET

CONN_01X32
CONN_01X32

3

VCC

(PCINT0/ADC0)PA0

39

C4

SCK
RST

2

40

C5

1

GND

IC1

Crystal

CON2
MISO

SW1

RESET

A

10
9
8
7
6
5
4
3
2
1

30

100nF

ext.

R6
1.8k

R7
1.8

D1
LED

R2
3.3k
R3
3.3
R5
3.3

CON1

Piotr Zobel
Sheet: /
File: SDcobra.sch

D

D

Title: COBRA-DOS
Size: A4
Date: 2021-08-21
KiCad E.D.A. eeschema 4.0.2-stable
1

2

3

4

Rev:
Id: 1/1
5

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