I/O CIRCUIT DIAGRAM
1 Input circuit form: IA, IAA
Input
IAA only
FI : 2
3 Input circuit form: IS
MITSUBISHI <CONTROL / DRIVER IC>
M54610P
8-BIT PARALLEL DATA INTERFACE FOR PRINTER
2 Input circuit form: IR, IRR
VCC
VCC
Input
GND
VCC
4 Output circuit form: OA
VCC
GND
Input
Output
GND
5 Output circuit form: OR, OD
VCC
Resistance
is infinite
for OD
circuit
Output
GND
6 Output circuit form: OZ
VCC
Output
GND
GND