National Instruments NI PXI-8109 User Manual page 58

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Table 3-10. ExpressCard Connector Signals
Pin Signal Name
1 GND
2 USBD–
3 USBD+
4 CPUSB#
5 RESERVED
6 RESERVED
7 SMBCLK
8 SMBDATA
9 +1.5V
10 +1.5V
11 WAKE#
12 +3.3VAUX
13 PERST#
14 +3.3V
15 +3.3V
16 CLKREQ#
17 CPPE#
18 REFCLK–
19 REFCLK+
20 GND
21 PERn
22 PERp
23 GND
24 PETn
25 PETp
26 GND
3-13
Chapter 3
Signal Description
Ground
USB Data –
USB Data +
USB Presence
Reserved by spec for future use
Reserved by spec for future use
SMBus Clock
SMBus Data
Power
Power
PE Wake
Power
PE Reset
Power
Power
Clock Request
PE Presence
Reference Clock –
Reference Clock +
Ground
PE Data Receive –
PE Data Receive +
Ground
PE Data Transmit –
PE Data Transmit +
Ground
NI PXI-8109 User Manual
I/O Information