Table 25
LPT Signal Descriptions
Signal
Description of LPT signals (shared
with FDC)
I/O
PU/PD
Comment
LPT
LPT Interface configuration input
N.A.
Not supported, see section
4.3.6 for more information.
STB#
Strobe signal
O 5V
AFD#
Automatic feed
O 5V
PD0
Data bus D0
I/O 5V
PD1
Data bus D1
I/O 5V
PD2
Data bus D2
I/O 5V
PD3
Data bus D3
I/O 5V
PD4
Data bus D4
I/O 5V
PD5
Data bus D5
I/O 5V
PD6
Data bus D6
I/O 5V
PD7
Data bus D7
I/O 5V
ERR#
LPT error
I 5V
INIT#
Initiate
O 5V
SLIN#
Select
O 5V
ACK#
Acknowledge
I 5V
BUSY
Busy
I 5V
PE
Paper empty
I 5V
SLCT
Power On
I 5V
Table 26
LPT Support Mode Pinout
Parallel Port Mode Pinout
Pin
Signal
Pin
Signal
51
LPT (*)
52
RESERVED
53
VCC
54
GND
55
STB#
56
AFD#
57
RESERVED
58
PD7
59
IRRX
60
ERR#
61
IRTX
62
PD6
63
RXD2
64
INIT#
65
GND
66
GND
67
RTS2#
68
PD5
69
DTR2#
70
SLIN#
71
DCD2#
72
PD4
73
DSR2#
74
PD3
75
CTS2#
76
PD2
77
TXD2
78
PD1
79
RI2#
80
PD0
81
VCC
82
VCC
83
RXD1
84
ACK#
85
RTS1#
86
BUSY
87
DTR1#
88
PE
89
DCD1#
90
SLCT
91
DSR1#
92
MSCLK
93
CTS1#
94
MSDAT
95
TXD1
96
KBCLK
97
RI1#
98
KBDAT
99
GND
100
GND
Note
The signals marked with an asterisk symbol (*) are not supported on the
conga-X945/XA945.
Copyright © 2006 congatec AG
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