IBM BDM-610000049 用户手册

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页码 120
BDM-610000049
Rev G
Chapter 3: Connecting the cpuModule
45
USB 2.0 Connector (CN17)
Two USB 2.0 compliant connectors are available on connector CN17. Table 30 provides the pinout of the USB 
connector.
Note  
For proper operation at USB 2.0 speeds, be sure to use a cable that is rated for USB 2.0, such as the 
cable kit supplied by RTD.
Table 30
USB Connector (CN17)
Pin
Signal 
Function
In/Out
1
VCC1
Supply +5 V to USB1
out 
2
VCC2
Supply +5 V to USB2
out
3
DATA1–
Bidirectional data line for USB1
in/out
4
DATA2–
Bidirectional data line for USB2
in/out
5
DATA1+
Bidirectional data line for USB1
in/out
6
DATA2+
Bidirectional data line for USB2
in/out
7
GND
Ground
out
8
GND
Ground
out
9
GND
Ground
out
10
GND
Ground
out