描述

樹莓派 I2C – 32 GPIO 擴充板 (含狀態LED燈)

1. JP23 GA0 ~ GA7 U13 Port A JP24 AA0 ~ AA7 U13 Port B

2. JP25 BA0 ~ BA7 U14 Port A JP26 GB0  ~  BG7  U14 Port B

3. R61,R62,R63 ( for U13 Address select A0,A1,A2 )

4. R64,R65,R66 ( for U14 Address select A0,A1,A2)

5. U13 (21) 23017-1 Port A,B

6. U14 (22) 23017-2 Port A,B

7. pin out 2X10 ,

Bank A(1-10) GPIO (0,1,2,3,4,5,6,7,GND, INTA)

Bank B(1-10) GPIO (0,1,2,3,4,5,6,7,GND, INTB)

 

*** 23017

A0, A1, A2 address

* right side GND low – 0 * left side Vcc High – 1

000 – 20 001 – 21 010 – 22 011 – 23

100 – 24 101 – 25 110 – 26 111 – 27

 

支援 Pi_Scratch

Command “i2”  + “address(20-27)” + “a” +”bit(1 to 8)” for Port A
Command “i2”  + “address(20-27)” + “b” +”bit(1 to 8)” for Port B
Command “bit”+ “address(20-27)” + “a” +”bit(8 to 1)” for Port A
Command “bit”+ “address(20-27)” + “b” +”bit(8 to 1)” for Port B

i221a1 –> i2c address 21 Port A bit 1 ON/OFF
i222b4 –> i2c address 22 Port B bit 4 ON/OFF

bit22b01010101 –> address 22 port B from bit 8 to 1
output –> 01010101

bit21a01010101 –> address 21 port A from bit 8 to 1
output –> 01010101

bit21aoff –> address 21 Port A all OFF/clear
bit21boff –> address 21 Port B all OFF/clear
bit22aoff –> address 22 Port A all OFF/clear

 

相關資料

led-21.py

led-22.py

23017-21.py

23017-22.py

23017-2port-s-v103.py

 

商品內容

1x Rs-Pi I2C 23017-2 32 GPIO board

1x Manual