Motorola CPCI-6115 - Manual (Page 60)

CPCI-6115 CompactPCI Single Board Computer Installation and Use (6806800A68D)
Controls, LEDs, and Connectors CompactPCI User I/O Connector
58
Asynchronous Serial Ports 1-2, TTL Levels:
DIOW_L I/O write
IORDY indicates drive ready for I/O
DD(15:0) data lines
DRESET_L reset signal to drive
CS1FX_L chip select drive 0 or command register block select
CS3FX_L chip select drive 1 or command register block select
DA(2:0) drive register and data port address lines
INTRQ drive interrupt request
Signal Description
COMxRD receive data
COMxTD transmit data
MXCLK clock for multiplexed data containing sync port control signals
MXDI multiplexed data input
MXDO multiplexed data output
MXSYNC# multiplexed data sync
TMCOM1 enable COM1 Front panel RS232 transceiver
PMC User I/O
PMCIO(64:1) PMC I/O
Miscellaneous
TM_PRSNT# Transition Module Present
I2C_CLK I2C Clock signal from ZirconPM I2C port
I2C_DATA I2C Data signal from ZirconPM I2C port
No Connect NC
Signal Descriptions
IDE Port, TTL Levels: