Toshiba MK3021GAS User Manual - Page 11

Interface Pin Assignment, DRIVE INTERFACE SIGNALS

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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/ 26 GROUND -DMARDY HSTROBE 27 IORDY/ 28 -DMARDY/- DSTROBE 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. 9

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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.