Motorola CPCI-6115 manual Signal Description, PMC User I/O, Miscellaneous

Controls, LEDs, and Connectors	CompactPCI User I/O Connector
Signal Descriptions
IDE Port, 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
Asynchronous Serial Ports 1-2, TTL Levels:
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

58 CPCI-6115 CompactPCI Single Board Computer Installation and Use (6806800A68D)