© National Instruments
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PXIe-8840 User Manual
ExpressCard/34 Slot
The PXIe-8840 controller ExpressCard variant is equipped with an ExpressCard/34 slot on the
front panel, providing I/O expansion and options for removable storage, Ethernet, and a variety
of other I/O.
Figure 3-8 shows the location and pinouts for the ExpressCard/34 slot on the PXIe-8840.
Table 3-10 lists and describes the ExpressCard connector signals.
Figure 3-8.
ExpressCard/34 Slot Location and Pinout
Table 3-10.
ExpressCard Connector Signals
Pin
Signal Name
Signal Description
1
GND
Ground
2
USBD-
USB Data -
3
USBD+
USB Data +
4
CPUSB#
USB Presence
5
RESERVED
Reserved by spec for future use
6
RESERVED
Reserved by spec for future use
7
SMBCLK
SMBus Clock
8
SMBDATA
SMBus Data
9
+1.5V
Power
Expre
ss
C
a
rd/
3
4
S
lot
1
26
NI PXIe-8840
Embedded Controller
Содержание NI PXIe-8840
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