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1.3.7.8
Watchdog
Support multi-level watchdog time-out output.
Provide 1-65535 level, from 100ms to 109.22 minutes interval.
1.3.7.9
Serial port
2 ports, 2-wire serial port (Tx/Rx) support 16550 UART compliance.
Programmable FIFO or character mode
16-byte FIFO buffer on transmitter and receiver in FIFO mode
Programmable serial-interface characteristics: 5, 6, 7, or 8-bit character
Even, odd, or no parity bit selectable
1, 1.5, or 2 stop bit selectable
Baud rate up to 115.2K
TPM
Support TPM 2.0 module by default.
Smart Fan
Support 2 Fan PWM control signal and 2 tachometer input for fan speed detection.
Provide 1 on module with connector and the other to carrier board follow by PICMG
COM Express R3.0 specification.
BIOS
BIOS chip is on module by default. Also allows user to place BIOS chip on carrier
board with appropriate design and jumper setting on BIOS_DIS#[1:0].
BIOS_DIS0#
Open
Open
GND
Note!
If system COMS is cleared, strongly suggest to go BIOS setup menu
and load default setting at the first time boot up
1.3.8
Power Management
1.3.8.1
Power Supply
Supports both ATX and AT power modes. VSB is for suspend power and can be
option if not require standby (suspend-to-RAM) support. RTC Battery may be option
if keep time/date is not require.
VCC: 8.5V – 20V
VSB: 4.75V – 5.25V (Suspend power)
RTC Battery Power: 2.0V – 3.3V
BIOS_DIS#1
Boot up destination/function
Open
Boot from Module's SPI BIOS
SPI_CS0# to Carrier Board, SPI_CS1# to
GND
Module
SPI_CS0# to Module, SPI_CS1# to Carrier
GND
Board
9
SOM-6882 User Manual
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