Oki PT390 Guia Del Usuario página 56

(2) Reverse channel
Pin Signal name
No.
1 HostClk
2 DATA1
3 DATA2
4 DATA3
5 DATA4
6 DATA5
7 DATA6
8 DATA7
9 DATA8
10 PtrClk
11 PtrBusy
12 AckDateReq
13 Xflag
14 HostBusy
15 N.C.
16 SG1
17 FG
18 LOGIC-H
Notes 1: Each -RET is connected to SG.
Notes 2: "*" indicates a negative-logic signal.
I/O Pin
direction No.
Input 19
Input 20
Input 21
Input 22
Input 23
Input 24
Input 25
Input 26
Input 27
Output 28
Output 29
Output 30
Output 31
Input 32
--- 33
--- 34
--- 35
Output 36
54
Signal name
HostClk-RET
DATA1-RET
DATA2-RET
DATA3-RET
DATA4-RET
DATA5-RET
DATA6-RET
DATA7-RET
DATA8-RET
PtrClk-RET
PtrBusy-RET
*INIT-RET
*INIT
*DataAvail
SG1
DK_STATUS
+5V
1284-Active
I/O
direction
---
---
---
---
---
---
---
---
---
---
---
---
Input
Output
Output
Output
Output
Input