9
Interface Pin Assignment
DRIVE INTERFACE SIGNALS
PIN SIGNAL PIN
SIGNAL
1
RESET
2
GROUND
3
DD 7
4
DD 8
5
DD 6
6
DD 9
7
DD 5
8
DD 10
9
DD 4
10
DD 11
11
DD 3
12
DD 12
13
DD 2
14
DD 13
15
DD 1
16
DD 14
17
DD 0
18
DD 15
19 GROUND 20 KEY
21 DMARQ 22
GROUND
23 DIOW/STOP 24 GROUND
25
DIOR/
-DMARDY
HSTROBE
26 GROUND
27
IORDY/
-DMARDY/-
DSTROBE
28 CSEL
29 DMACK 30
GROUND
31
INTRQ
32
IOCS16
33 DA1 34
PDIAG
35 DA0 36
DA
2
37 CS0 38
CS1
39 DASP 40
GROUND
41
+5V (LOGIC)
42
+5V (MOTOR)
43 GROUND 44
RESERVED
Note: Symbol () in front of signal indicates negative logic.
