B-4
|
Specifications
Parallel Interface
The parallel (IEEE 1284-I compliant) interface connector pin assignments
are shown in the table below. The column heading "Direction" refers to the
direction of signal flow as viewed from the printer.
Pin No.
Direction
1
IN
2
IN/OUT
3
IN/OUT
4
IN/OUT
5
IN/OUT
6
IN/OUT
7
IN/OUT
8
IN/OUT
9
IN/OUT
10
OUT
11
OUT
12
OUT
13
OUT
14
IN
15
16
17
18
19 - 30
31
IN
32
OUT
33
34
35
36
IN
B-4
IEEE 1284-B connector
Compatibility
Nibble
nStrobe
HostClk
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
nACK
PtrClk
Busy
PrtBusy
PError
AckDataReq
Select
Xflag
nAutoFd
HostBusy
NC
GND
CG
PeripheralLogic High
GND
nlnit
nFault
nDataAvail
GND
NC
+5V
nSelectln
IEEE1284 Active
ECP
PeriphClk
PeriphAck
nAckReverse
HostAck
nReverse
Request
nPeriphRequest