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Chapter 3
Signals and Pinout Tables
34
Reference Manual
COM 830
Table 3-13. General Purpose I/O Signal Descriptions
Signal
Description
I/O
PU/PD
Commen
t
GPO[0]
General purpose output pins. Upon a
hardware reset, these outputs should
be low.
O 3.3VSB
PU 10k
3.3VSB
GPO[1]
General purpose output pins. Upon a
hardware reset, these outputs should
be low.
O 3.3VSB
PU 10k
3.3VSB
GPO[2]
General purpose output pins. Upon a
hardware reset, these outputs should
be low.
O 3.3VSB
PU 10k
3.3VSB
GPO[3]
General purpose output pins. Upon a
hardware reset, these outputs should
be low.
O 3.3VSB
PU 10k
3.3VSB
GPI[0]
General purpose input pins. Pulled
high internally on the module.
I 3.3VSB
PU 10k
3.3VSB
GPI[1]
General purpose input pins. Pulled
high internally on the module.
I 3.3VSB
PU 10k
3.3VSB
GPI[2]
General purpose input pins. Pulled
high internally on the module.
I 3.3VSB
PU 10k
3.3VSB
GPI[3]
General purpose input pins. Pulled
high internally on the module.
I 3.3VSB
PU 10k
3.3VSB
Table 3-14. Power and System Management Signal Descriptions
Signal
Description
I/O
PU/PD
Comment
PWRBTN#
Power button to bring system out of S5 (soft
off), active on rising edge.
I 3.3VSB
PU 10k
3.3VSB
SYS_RESET
#
Reset button input. Active low input. System is
held in hardware reset while this input is low,
and comes out of reset upon release.
I 3.3VSB
PU 10k
3.3VSB
CB_RESET#
Reset output from module to Carrier Board.
Active low. Issued by module chipset and may
result from a low SYS_RESET# input, a low
PWR_OK input, a VCC_12V power input that
falls below the minimum specification, a
watchdog timeout, or may be initiated by the
module software.
O 3.3V
PWR_OK
Power OK from main power supply. A high
value indicates that the power is good.
I 3.3V
Set by
resistor
divider to
accept
3.3V.
SUS_STAT#
Indicates imminent suspend operation; used to
notify LPC devices.
O 3.3VSB
PU 10k
3.3VSB
Содержание COM 830
Страница 1: ...COM 830 Computer On Module Reference Manual P N 5001829A Revision A ...
Страница 10: ...Chapter 1 About This Manual 4 Reference Manual COM 830 ...
Страница 90: ...Chapter 4 BIOS Setup Description 84 Reference Manual COM 830 ...
Страница 92: ...Appendix A Technical Support 86 Reference Manual COM 830 ...