Ampro Corporation COM 830 - Manual (Page 40)

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