CPU‐056F　I/Oマップ・コネクタ配列表・入出力回路

■I/O Map

ADDRESS	FUNCTION
E7H E6H E5H E4H	8255A Command 8255A Port-C Data (J4) 8255A Port-B Data (J3) 8255A Port-A Data (J2)
E3H E2H E1H E0H	Z80A-CTC Channel 3 Z80A-CTC Channel 2 Z80A-CTC Channel 1 Z80A-CTC Channel 0

■Connector J1

PIN#	SIGNAL	PIN#	SIGNAL
1 3 5 7 9	CLK/TRG0 CLK/TRG2 ZC/TO0 ZC/TO2 GND	2 4 6 8 10	CLK/TRG1 CLK/TRG3 ZC/TO1 - GND

■Connector J2 (Input)

PIN#	SIGNAL	PIN#	SIGNAL
1 3 5 7 9	PA0 PA2 PA4 PA6 PA-ExV	2 4 6 8 10	PA1 PA3 PA5 PA7 -

■Connector J3 (Input)

PIN#	SIGNAL	PIN#	SIGNAL
1 3 5 7 9	PB0 PB2 PB4 PB6 PB-ExV	2 4 6 8 10	PB1 PB3 PB5 PB7 -

■Connector J4 (Output)

PIN#	SIGNAL	PIN#	SIGNAL
1 3 5 7 9	PC0 PC2 PC4 PC6 PC-ExV	2 4 6 8 10	PC1 PC3 PC5 PC7 PC-ExG

■Input Circuit

■Output Circuit