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Chapter 3
Hardware
LittleBoard 700
Reference Manual
47
Table 3-18. Utility 2 Interface Pin/Signal Descriptions (J24)
Pin #
Signal
I/O
Description
1
NC
-
NC
2
PWRBT*
I
Power Button
3
BATLOW*
I-
Low Battery
4
NC
O
Not Connected (IR Mode Select)
5
IRTX
O
IR Transmit Data
6
IRRX
I
IR Receive Data
7
GND
-
Ground
8
VCC
-
+5V
9
MDATA
I/O
Mouse Data
10
MCLK
I/O
Mouse Clock
11
GND
-
Ground
12
VCC
-
+5V
13
SMBCLK
-
SMBus Clock
14
SMBDATA
-
SMBus Data
15
USB1PWR
-
+5V USB Port Power – Port is disabled if this input is low.
16
USB2PWR
-
+5V USB Port Power – Port is disabled if this input is low.
17
USBP1-
I/O
USB 1 Signal -
18
USBP2-
I/O
USB 2 Signal -
19
USBP1+
I/O
USB 1
20
USBP2+
I/O
USB 2
21
USB1GND
-
USB Port ground
22
USB2GND
-
USB Port ground
23
SHIELD1
-
USB Port shield (Cable Shield)
24
SHIELD2
-
USB Port shield (Cable Shield)
Notes:
The shaded area denotes power or ground. The signals marked with * = Negative true logic.
Содержание Little Board 700
Страница 1: ...Little Board 700 Single Board Computer Reference Manual P N 5001670A Revision D...
Страница 6: ...Contents vi Reference Manual LittleBoard 700...
Страница 10: ...Chapter 1 About This Manual 4 Reference Manual LittleBoard 700...
Страница 26: ...Chapter 2 Product Overview 20 Reference Manual LittleBoard 700...
Страница 82: ...Chapter 4 BIOS Setup 76 Reference Manual LittleBoard 700...
Страница 84: ...Appendix A Technical Support 78 Reference Manual LittleBoard 700...
Страница 86: ...Appendix B Connector Part Numbers 80 Reference Manual LittleBoard 700...
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