Fujitsu FP-410 user manual Reverse channel, Each -RET is connected to SG, Appendix

(2) Reverse channel

Pin	Signal name	I/O	Pin No.	Signal name	I/O
No.		direction			direction
1	HostClk	Input	19	HostClk-RET
2	DATA1	Input	20	DATA1-RET
3	DATA2	Input	21	DATA2-RET
4	DATA3	Input	22	DATA3-RET
5	DATA4	Input	23	DATA4-RET
6	DATA5	Input	24	DATA5-RET
7	DATA6	Input	25	DATA6-RET
8	DATA7	Input	26	DATA7-RET
9	DATA8	Input	27	DATA8-RET
10	PtrClk	Output	28	PtrClk-RET
11	PtrBusy	Output	29	PtrBusy-RET
12	AckDateReq	Output	30	*INIT-RET
13	Xflag	Output	31	*INIT	Input
14	HostBusy	Input	32	*DataAvail	Output
15	N.C.		33	SG1	Output
16	SG1		34	DK_STATUS	Output
17	FG		35	+5V	Output
18	LOGIC-H	Output	36	1284-Active	Input

Notes:

1.Each -RET is connected to SG.

2."*" indicates a negative-logic signal.

48

APPENDIX