5 special features, 1 watchdog timer (wdt), 2 general purpose input and output (gpio) – Kontron COMe-cOHXX User Manual
Page 52: 3 acpi suspend modes and resume events, Special features, Watchdog timer (wdt), General purpose input and output (gpio), Acpi suspend modes and resume events, 5special features

Kontron COMe-cOH2/COMe-cOH6 User’s Guide
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47
5
Special Features
5.1
Watchdog Timer (WDT)
The watchdog timer is managed via the super I/O component, the Nuvoton
NCT5577D.
The implementation complies with the COM Express® specification. Timer modes
1, 2, and 3 are supported. For additional implementation information, refer
to the PICMG COM Express® Design Guide on the PICMG website
5.2
General Purpose Input and Output (GPIO)
The COMe-cOH# COM provides four interrupt-capable general purpose inputs and
four general purpose outputs that can be accessed through the module
connector described in the pin-out lists, in Section 4.1. The GPIO interface
can be enabled in the BIOS setup.
Table 14: GPIO COM Express Pin-Outs
Bit of GPIO
Port0
Function
COM Express Pin
0
GPI0
A54
1
GPI1
A63
2
GPI2
A67
3
GPI3
A85
4
GPO0
A93
5
GPO1
B54
6
GPO2
B57
7
GPO3
B63
5.3
ACPI Suspend Modes and Resume Events
The COMe-cOH# COM supports the following suspend modes:
»
S0 (Normal on)
»
S3 (Suspend to RAM)
»
S4 (Suspend to Disk)
»
S5 /WOL(soft-off, WOL enabled)
»
S5 (soft-off, WOL disabled)
»
S5 ECO deep soft-off