Table 3-13. General Purpose I/O Signal Descriptions; Table 3-14. Power And System Management Signal Descriptions - Ampro COM 830 Reference Manual

Chapter 3

Table 3-13. General Purpose I/O Signal Descriptions

Signal
GPO[0]
GPO[1]
GPO[2]
GPO[3]
GPI[0]
GPI[1]
GPI[2]
GPI[3]

Table 3-14. Power and System Management Signal Descriptions

Signal Description
PWRBTN# Power button to bring system out of S5 (soft
off), active on rising edge.
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.
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.
PWR_OK Power OK from main power supply. A high
value indicates that the power is good.
SUS_STAT# Indicates imminent suspend operation; used to
notify LPC devices.
34
Description
General purpose output pins. Upon a
hardware reset, these outputs should
be low.
General purpose output pins. Upon a
hardware reset, these outputs should
be low.
General purpose output pins. Upon a
hardware reset, these outputs should
be low.
General purpose output pins. Upon a
hardware reset, these outputs should
be low.
General purpose input pins. Pulled
high internally on the module.
General purpose input pins. Pulled
high internally on the module.
General purpose input pins. Pulled
high internally on the module.
General purpose input pins. Pulled
high internally on the module.
Reference Manual
Signals and Pinout Tables
I/O PU/PD
O 3.3VSB PU 10k
3.3VSB
O 3.3VSB PU 10k
3.3VSB
O 3.3VSB PU 10k
3.3VSB
O 3.3VSB PU 10k
3.3VSB
I 3.3VSB PU 10k
3.3VSB
I 3.3VSB PU 10k
3.3VSB
I 3.3VSB PU 10k
3.3VSB
I 3.3VSB PU 10k
3.3VSB
I/O PU/PD
I 3.3VSB PU 10k
3.3VSB
I 3.3VSB PU 10k
3.3VSB
O 3.3V
I 3.3V
O 3.3VSB PU 10k
3.3VSB
Commen
t
Comment
Set by
resistor
divider to
accept
3.3V.
COM 830