Citizen CLP-6401 User Manual page 75

n Parallel interface pin assignment table
Pin No. Signal
1 STROBE
2-9 DATA1-8
10 ACKNLG
11 BUSY
12 PERROR
13 SELECT
14 AUTOFD
15 NC
16 S.GND
17 FGND
18 P.L.H
19-30 GND
31 INIT
32 FAULT
33-35 NC
36 SELECTIN
Input/Output
Input Strobe signal for reading 8-bit data
Input 8-bit parallel signal
Output 8-bit data request signal
Output Signal specifying printer busy
Output Signal specifying paper absence
Output Signal specifying printer "on line"
(printing) or "off line" (pause)
Input Invalidness (ignorance)
-
No use
-
Signal ground
-
Frame ground
Output Signal specifying peripheral logic high
(pull up to +5V with 2 KW]
-
Ground for twisted pair return
Input Printer reset
Output Signal specifying printer error
-
No use
Input Invalidness (ignorance)
6-12
Description