Chapter 3
Signal Connections
© National Instruments Corporation
3-11
SCXI-1124 User Manual
Table 3-1. SCXIbus to SCXI-1124 Rear Signal Connector to DAQ Board
Pin Equivalences
SCXIb
us
Li
ne
SCXI-1
124 Rear
Signal Connector
MIO Boards
Lab Boards
PC-LPM-16
DIO-24
DIO-96
DIO-32F
MOSI
D*/A
INTR*
SPICLK
MISO
SERDATIN
DAQD*/A
SLOT0SEL*
SERCLK
SERDATOUT
ADIO0
ADIO1
ADIO2
EXTSTROBE*
BDIO0
PB4
PB5
PB6
PB7
PC1
DOUT4
DOUT5
DOUT6
DOUT7
DIN6
PB3
PB2
PB1
PB0
PA0
APB3
APB2
APB1
APB0
APA0
DIOB3
DIOB2
DIOB1
DIOB0
DIOA0
The following specifications and ratings apply to the digital I/O lines:
•
Absolute maximum voltage input rating
5.5 V with respect to DIGGND
•
Digital input specifications (referenced to DIGGND):
-
V
IH
input logic high voltage
2 V minimum
-
V
IL
input logic low voltage
0.8 V maximum
-
I
I
input current leakage
±
100
µ
A maximum
•
Digital output specifications (referenced to DIGGND):
-
V
OL
output logic low voltage
0.4 V maximum at 4 mA maximum
