11
Chapter 3
Connection
This chapter describes how to connect peripherals, switches and indicators to
the WAFER-C400EV board.
3.1 Floppy Disk Drive Connector (FDD1)
WAFER-C400EV board is equipped with a 34-pin daisy-chain driver connecting
cable.
FDD1: FDC CONNECTOR
PIN DESCRIPTION PIN
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 GROUND
30 READ
DATA#
31 GROUND
32 SIDE
1
SELECT#
33 GROUND
34 DISK
CHANGE#
