Telpar MTP-1530II Receipt Thermal Printer User Manual
MTP-1530II User Manual (Revision 20120510)
Page 62
4.7 Centronics Parallel (IEEE-1284) Interface
4.7.1
Parallel I/O Connector
Parallel Interface Pin Assignments
Pin
Name
Nibble & Byte
mode
Direction
Function
1
/STB
HostClk
I
Active Low Pulse to send data tp
printer
2
DO
DO
I/O
ASCII data bit 0 (LCB)
3
D1
D1
I/O
ASCII data bit 1
4
D2
D2
I/O
ASCII data bit 2
5
D3
D3
I/O
ASCII data bit 3
6
D4
D4
I/O
ASCII data bit 4
7
D5
D5
I/O
ASCII data bit 5
8
D6
D6
I/O
ASCII data bit 6
9
D7
D7
I/O
ASCII data bit 7
10
/ACK
PtrClk
O
Active low pulse when data is
accepted
11
BUSY
PtrBusy
O
High level when printer cannot
accept data.
12
PE
AckDataReq
O
High level when printer is out of
paper
13
SLCT
Xflag
O
14
/AFXT
HostBusy
I
.
15
n/c
ND
-
16
GND
GND
I
Logic ground.
17
Fgnd
FG
-
.
18
Logic-H
Logic-H
O
19
thru
30
GND
GND
-
Logic ground.
31
/INIT
/INIT
I
32
/ERRO
R
/DataAvail
O
33
GND
ND
-
34
DKSTA
T
ND
O
35
+5V
ND
O
36
/SLCTI
N
1284-Active
I
Pin 1
(upper right corner)
Pin 19
(lower right corner)
Pin 18
(upper left corner)
Pin 36
(lower left corner)