Motorola CPV5300 CompactPCI Installation Manual page 69

Pin Assignments
Table A-20. Signal Descriptions for CPV5300 SBC (J4)/CPV5300 TM (P4)
Signal
Ethernet
LED
General
EIDE
(ATA-2),
TTL levels
Backplane Connector Pin Assignments
Signal
Mnemonic
RD+, RD- differential receive lines
TD+, TD- differential transmit lines
LED1_2 transmit LED
LED3 link LED
VCC 5 volt power
GND ground plane
IOCS16 16 bit register is decoded
DMARQ drive DMA request
DMACK drive DMA acknowledge
DIOR drive I/O read
DIOW drive I/O write
DASP drive active/slave present
IORDY drive is ready for I/O cycle(s)
DD [15:0} drive data lines, bits 15 - 0
DRESET reset signal to drive
CS1 chip select drive 0, also command register block
select
CS3 chip select drive 1, also command register block
select
DA {2:0] drive register and data port address lines
INTRQ drive interrupt request
PDIAG output from drive 1 and monitored by drive 0
Signal Description
A
A-25