Motorola CPV5300 CompactPCI, Installation Manual

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Pin Assignments for CPV5300 SBC and CPV5300 TM Headers and Jumpers
A-18
A
10 MTR0 motor enable
outputs 23 GND drive common
11 - - 24 RDATA raw read data from disk
drive
12 DIR controls
direction of the
FDD head
during seek
operations 25 GND drive common
13 - - 26 HDSEL determines the side of
the floppy disk being
accessed
Table A-16. Floppy Header Pin Assignments for the CPV5300 Transition Module
(J9)
Pin
Number Signal
Mnemonic Signal
Description Pin
Number Signal
Mnemonic Signal Description
1 GND drive common 2 DRVDENS0 disk density select
communication
3 - - 4 - -
5 GND drive common 6 DRVDENS1 disk density select
communication
7 GND drive common 8 INDEX beginning of a track
9 GND drive common 10 MTR0 motor enable output
11 GND drive common 12 DS1 drive select 1
13 GND drive common 14 DS0 drive select 0
15 GND drive common 16 MTR1 motor enable output
Table A-15. Floppy Header Pin Assignments for the CPV5300 Single board
Computer (J11) (Continued)
Pin
Number Signal
Mnemonic Signal
Description Pin
Number Signal
Mnemonic Signal Description