OPI‐056　I/Oマップ・コネクタ配列表・入力回路

■I/O Map

A2	A1	A0	FUNCTION
1 1 1 1	1 1 0 0	1 0 1 0	Z80A-PIO (J2) Port B Control Z80A-PIO (J2) Port B Data (PI25 - PI32) Z80A-PIO (J2) Port A Control Z80A-PIO (J2) Port A Data (PI17 - PI24)
0 0 0 0	1 1 0 0	1 0 1 0	Z80A-PIO (J1) Port B Control Z80A-PIO (J1) Port B Data (PI9 - PI16) Z80A-PIO (J1) Port A Control Z80A-PIO (J1) Port A Data (PI1 - PI8)

■Connector J1

PIN#	SIGNAL	PIN#	SIGNAL
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33	PI1 PI2 PI3 PI4 PI5 PI6 PI7 PI8 PI9 PI10 PI11 PI12 PI13 PI14 PI15 PI16 -	2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34	PI1 RET PI2 RET PI3 RET PI4 RET PI5 RET PI6 RET PI7 RET PI8 RET PI9 RET PI10 RET PI11 RET PI12 RET PI13 RET PI14 RET PI15 RET PI16 RET -

■Connector J2

PIN#	SIGNAL	PIN#	SIGNAL
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33	PI17 PI18 PI19 PI20 PI21 PI22 PI23 PI24 PI25 PI26 PI27 PI28 PI29 PI30 PI31 PI32 -	2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34	PI17 RET PI18 RET PI19 RET PI20 RET PI21 RET PI22 RET PI23 RET PI24 RET PI25 RET PI26 RET PI27 RET PI28 RET PI29 RET PI30 RET PI31 RET PI32 RET -

■Input Circuit