Citizen Systems CLP-8301 User Manual
Page 69
Chapter 9 Specifications
- 60 -
2 Parallel
interface
Specifications
Transfer method:
8-bit parallel (compatibility mode)
Synchronous: Strobe
pulse
Handshaking:
ACKNLG and BUSY signals
Signal level:
TTL
Printer side:
36-pin non-phenol type
Pin assignment
Pin No.
Signal
Input/Output
Description
1
STROBE
Input
Strobe signal to read 8-bit data
2
-9
DATA1-8
Input
8-bit parallel data signal
10
ACKNLG
Output
8-bit parallel data request signal
11
BUSY
Output
Signal to indicate printer ‘Busy’
12
PERROR
Output
Signal to indicate paper out
13
SELECT
Output
Signal to indicate printer on line or off line
14 N.C
- Not
used
15 NC
- Not
used
16 GND
- Ground
17 F.GND
- Frame
ground
18 N.C
- Not
used
19
-30 GND
- GND
31 INIT
Input Printer
reset
32
FAULT
Output
Signal to indicate printer error
33
-35 N.C
- Not
used
36 N.C
- Not
used