Critical Link, LLC MitySOM
www.criticallink.com MitySOM-1808 Processor Card
5-MAR-2014
7 Copyright © 2013, Critical Link LLC
Specifications Subject to Change
Table 2 Signal Group Description
3.3 volt input power referenced to GND.
Bootstrap configuration pin. Pull low to configure booting
from external UART1.
Manual Reset. When pulled to GND for a minimum of 1
usec, resets the processor.
Serial Peripheral Interface 1 pins.
These pins are direct connects to the corresponding SPI1_*
pins on the AM1808 processor. The SPI1_* function pins are
multiplexed with other functions. These include PWM,
Timers, UARTs, I2C0, and GPIO. For details please refer to
the AM1808 processor specifications.
Media Independent Interface (Ethernet) pins.
These pins are direct connects to the corresponding MII_*
pins on the AM1808 processor. The MII_* function pins are
multiplexed with other functions. These include SPI0, PWM,
Timers, UART0, MCBSP, MCASP, and GPIO. For details
please refer to the AM1808 processor specifications.
MII/RMII Management Interface pins.
The MDIO_CLK and MDIO_DAT signals are direct connects
to the corresponding MDIO_* signals on the AM1808
processor. The MDIO_* function pins are multiplexed with
other functions. These include SPI0 and Timer functions.
For details please refer to the AM1808 processor
specifications.
General Purpose / multiplexed pins. These pins are direct
connects to the corresponding GP0[*] pins on the AM1808
processor. The include support for the McASP, general
purpose I/O, UART flow control, and McBSP 1. For details
please refer to the AM1808 processor specifications.
Serial ATA Controller Transmit pins.
These pins are direct connects to the corresponding
SATA_TX_* pins on the AM1808 processor. For details
please refer to the AM1808 processor specifications.
Serial ATA Controller Receive pins.
These pins are direct connects to the corresponding
SATA_RX_* pins on the AM1808 processor. For details
please refer to the AM1808 processor specifications.
