14
3. Connection
This chapter illustrates how to connect peripherals,
switches and indicators to the ROCKY-3786EVG board.
3.1 Floppy Disk Drive Connector
ROCKY-3786EV/EVG(U2) board equipped with a 34-pin
daisy-chain driver connector cable.
•
CN3: FDC CONNECTOR
PIN
NO.
DESCRIPTION
PIN
NO.
DESCRIPTION
1 GROUND 2
REDUCE
WRITE
3 GROUND 4
N/C
5 GROUND 6
N/C
7 GROUND 8
INDEX#
9
GROUND
10
MOTOR ENABLE A#
11
GROUND
12
DRIVE SELECT B#
13
GROUND
14
DRIVE SELECT A#
15
GROUND
16
MOTOR ENABLE B#
17 GROUND 18
DIRECTION#
19 GROUND 20
STEP#
21 GROUND 22
WRITE
DATA#
23 GROUND 24
WRITE
GATE#
25 GROUND 26
TRACK
0#
27 GROUND 28
WRITE
PROTECT#
29 N/C 30
READ
DATA#
31
GROUND
32
SIDE 1 SELECT#
33 N/C 34
DISK
CHANGE#
1
2
33
34
Содержание ROCKY-3786EV
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