128 GPIO output with 128 Blue LED
PCB size 130mm x 95mm
1. Provide 2x 20x2 40 pin same as Pi, one use 40pin GPIO cable connect to Pi
one 20x2 40pin for GPIO pin extra access.
2. Provide extra
i2c pin and spi pin for easy connect device
3.
Provide 128 GPIO
status blue LED ,
4.
Provide each 23s17 Address select
A0,A1,A2
can rearrange
23s17 location by your
order
5. U2 ,U3 ,U4, U5 ,U6 ,U7,U8 ,U9 23s17 Port A,B
6. Each GPIO pin out 2X10 ,
Bank B(1-10)
GPIO (0,1,2,3,4,5,6,7,GND, INTB)
Bank A(1-10) GPIO (0,1,2,3,4,5,6,7,GND, INTA)
Raspberry Pi