2

3

2 1

A

C CO A EM

4 3

4

5

6

4

1

1

A

2

2

3

4

5

6

A

1

A

A

B

B

2

3

4

5

6

A

1 11

3

2 1

C CO A EM

4 3

8 10

B

B

C CO A EM

4 3

6

-

2

13

C

C

D

D

THERMALS

4 3

14

4 3

C

C

D

D

AREF GND PB5/D13/SCK PB4/D12/MISO PB3/D11/MOSI/PWM PB2/D10/SS/PWM PB1/D9/PWM PB0/D8

28 27 26 25 24 23

RESET 3V3 5V GND GND VIN

17 18 19 20 21 22

PC0/AD0/D14 PC1/AD1/D15 PC2/AD2/D16 PC3/AD3/D17 PC4/AD4/D18/SDA PC5/AD5/D19/SCL

PD7/D7 PD6/D6/PWM PD5/D5/PWM PD4/D4 PD3/D3/INT1/PWM PD2/D2/INT0 PD1/D1/TX PD0/D0/RX

B

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

C

4

C CO A EM

+

GND GND SENSE_A SENSE_B NC NC OUT1 OUT4 OUT2 OUT3 VS IN4 IN1 ENB ENA IN3 IN2 VSS GND GND

7

12

2 1

1

THERMALS

2 1

2

B

5

C

-

MISO SCK RST GND MOSI VCC

C CO A EM

+

36 35 34 33 32 31

2 1

1

9

2 1 3 11

9 8 10 3

D 2

D

1

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1 2 3 4

A

8 7 6 5

A

VCC DM DP ID GND

B

B

2

1 2 3 4 3 2 7 4

3

IN GND OUT

1

A

A

A

B

B

B

1 2

B

SW VIN EN GND

FB NC NC NC

14 12

D

2

3

4

5

SNSCOMP BAT CC VCC VSS TS STAT

CH1A COM1 CH1B

8 7 6 5

CH2A COM2 CH2B

5 8 6 1

13

C

1

A

3 2 1

GND GND GND GND

COMP SS FB FSEL EN VDD GND LX

6

C

C

C

C

C

D

D

D

D

D

1

2

2015/3/3 11:44:12 f=0.50 E:\Projects\Shield Bot改版\Shield Bot V1.2 原理图\Shield Bot v1.2.sch (Sheet: 1/1)

3

4

5

6

1

2

3

4

5

6