6 connector pin assignment, Connector pin assignment, Table 2-1: connector pin assignment – ADLINK PCI-7300A User Manual
Page 24

12
Installation
2.6 Connector Pin Assignment
The PCI-7300A comes equipped with one 100-pin SCSI type con-
nector (CN1) located on the rear mounting plate. The pin assign-
ment of CN1 is illustrated in the Figure 2-3.
Legend:
Pins
Signal Name Signal Type
Signa
Direction
Description
1…50
GND
GND
Ground – these lines are the ground ref-
erence for all other signals
51..66
PB15…PB0
DATA
I/O
PortB bidirectional data liness-PB15 is
the MSB, and PB0 is the LSB.
67
DOACK
CONTROL
I
Digital output Acknowledge lines – In
handshaking mode, DOACK carries
handshaking status information from the
peripheral.
68
DOREQ
CONTROL
O
Request line – In handshaking mode,
DOREQ carries handshaking control
information to peripheral.
69
DOTRIG
CONTROL
I
DO TRIG- can be used to control the
start of data output in all DO modes and
to control the stop of pattern generation
in pattern generation mode.
70…73 AUXDO3…0
DATA
O
AUX DO 3…0 – can be used as extra
output data or can be used as extra
control signals.
85..100 PA15…PA0
DATA
I/O
PortA bidirectional data liness-PA15 is
the MSB, and PA0 is the LSB.
82
DIACK
CONTROL
O
Digital input Acknowledge lines – In
handshaking mode, DIACK carries
handshaking status information to the
peripheral.
83
DIREQ
CONTROL
I
Request line – In handshaking mode,
DIREQ carries handshaking control
information from peripheral. In external
clock mode, DIREQ carries the external
clock input.
Table 2-1: Connector Pin Assignment