Advantech SOM-6882, User Manual

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9 SOM-6882 User Manual
Chapter 1
G
eneral
Information
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].
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_DIS0# BIOS_DIS#1 Boot up destination/function
Open Open Boot from Module’s SPI BIOS
Open GND
SPI_CS0# to Carrier Board, SPI_CS1# to
Module
GND GND
SPI_CS0# to Module, SPI_CS1# to Carrier
Board
Note! If system COMS is cleared, strongly suggest to go BIOS setup menu
and load default setting at the first time boot up