Motorola CPV5300 CompactPCI Installation Manual page 62

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