Oki PT390 - Page 55

54
(2) Reverse channel
Pin
No.
Signal name
I/O
direction
Pin
No.
Signal name
I/O
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.
Notes 2: "*" indicates a negative-logic signal.