MA009A Datasheet, PDF (10/19 Pages) Megawin Technology Co., Ltd – 24-bit I/O extender with interrupt function

Application Circuit
Vdd
Vdd
SCLK
SDATA
I/O
INT
uC
0.1uF
Vcc
SCLK
Sin
C/DB
INTB
P2.0
P2.1
P2.2
...
P2.7
P1.0
MA009 P1.1
P1.2
Vdd
A2
P0.0
A1
P0.1
A0
P0.2
P0.3
GND
...
I/O 0
I/O 1
I/O 2
Input 0
Input 1
10
MA009A Technical Summary
MEGAWIN