Star Micronics SP2000 User Guide
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APPENDIX
Appendix C: Parallel Interface
The two-way parallel interface is compatible with the IEEE1284 compatibility
mode, nibble mode and byte mode. Refer to the separate programmer’s manual
for details.
mode, nibble mode and byte mode. Refer to the separate programmer’s manual
for details.
C-1. Table of Connection Signals for Each Mode
Pin No.
Direction
Compatibility Mode
Nibble Mode
Byte Mode
Signal Name
Signal Name
Sginal Name
1
In
nStorobe
HostClk
HostClk
2
In/Out
Data0
Data0
Data0
3
In/Out
Data1
Data1
Data1
4
In/Out
Data2
Data2
Data2
5
In/Out
Data3
Data3
Data3
6
In/Out
Data4
Data4
Data4
7
In/Out
Data5
Data5
Data5
8
In/Out
Data6
Data6
Data6
9
In/Out
Data7
Data7
Data7
10
Out
nAck
PtrClk
PtrClk
11
Out
Busy
PtrBusy/Data3,7
PtrBusy
12
Out
PError
AckDataReq/Data2,6
AckDataReq
13
Out
Select
Xflag/Data1,5
Xflag
14
In
nAutoFd
HostBusy
HostBusy
15
N/C
—
—
16
GND
GND
GND
17
Flame GND
Flame GND
Flame GND
18
OUT
Logic High
Logic High
Logic High
19
GND
GND
GND
20
GND
GND
GND
21
GND
GND
GND
22
GND
GND
GND
23
GND
GND
GND
24
GND
GND
GND
25
GND
GND
GND
26
GND
GND
GND
27
GND
GND
GND
28
GND
GND
GND
29
GND
GND
GND
30
GND
GND
GND