Adlink cPCI-7300 Manual do Utilizador descarregar pdf (Página 19)

Installation • 11

2.6 Connector Pin Assignment

The PCI-7300A comes equipped with one 100-pin SCSI type connector (CN1)

located on the rear mounting plate. The pin assignment of CN1 is illustrated in

the figure 2.2.

Legend:

Pins Signal Name Signal Type

Signal

Direction

Description

1…50 GND GND

Ground – these lines are the ground

reference 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 output 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.

84 DITRIG CONTROL I

DI TRIG – can be used to control

the start of data acquisition in all DI

modes.

78…81 AUXDI3…0 DATA I

AUX DI 3…0 – can be used as extra

input data or can be used as extra

control signals.

74…77 TERMPWR POWER

TERMPWR -- 4.7V active

terminator power output

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 81 82

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