M54679FP
Symbol
Equivalent circuit of the circumstance of input terminals.
Remarks
V
CC
Fref
Fref
Application Circuit
STEPPER MOTOR
M
N.C
N.C
1
2
42
41
40
39
38
37
36
P.GND
Out1A
Out1B
Rs1
N.C
3
Out2A
Out2B
Rs2
0.5 – 1.0Ω
0.5 – 1.0Ω
4
5
Rrs1
Rrs2
S1
6
S2
Vm1
7
Vm2
Vm
8
35
34
33
32
31
30
29
28
27
26
25
24
23
22
9
10
11
12
13
14
15
16
17
18
19
20
21
GND
GND
V
CC
input
input
input
V
CC
Ph1A
Ph1B
Stby
Vref
Ph2A
Ph2B
Fref
input
input
390pF
Regout
I0(2)
input
input
input
input
I0(1)
I1(1)
I1(2)
Rev.1.0, Sep.19.2003, page 11 of 12