Hitachi 902 - Connector Pin Arrangement for DC Power Supply; Connector Pin Arrangement for Interface

15 - 8
15.3.2 Interface
Connector Pin Arrangement for Interface
Return Pin No. Signal Pin No. Signal Name
1 2 MODE SELECT
(3) 4 N.C.
5 6 N.C.
7 8 INDEX
9 10 DRIVE SELECT 0
11 12 DRIVE SELECT 1
13 14 N.C.
15 16 MOTOR ON
17 18 DIRECTION SELECT
19 20 STEP
21 22 WRITE DATA
23 24 WRITE GATE
25 26 TRACK 00
27 28 WRITE PROTECT
29 30 READ DATA
31 32 SIDE ONE SELECT
33 34 READY
NOTE: (3) indicates a key pin.
Connector Pin Arrangement for Interface
Connector Pin Arrangement for DC Power Supply
Pin No. Power Supply Specification
1 +5 V
2 +5 V RETURN
3 +5 V RETURN
4 NON CONNECTION
Pin 2 Pin 34
Pin 33
Pin 1
(Connector for
interface)
(FDA)