NJU39612
D0
D7
A0
RESET
V
V
19
2
18
3
17
4
1
14
5
20
16
6
13
WR
CS
To
P
+2.5V
Sign
DA
2
2
SS
VDD
Ref
10
11
8
15
14
17
Phase
Dis
V
Phase
Dis
V
1
1
2
2
R1
R2
E
C
E
C
GND
RC
NJM3777
12 k
4700 pF
0.47 0.47
M
M
M
M
A1
B1
A2
B2
V
CC
V
V
MM1
MM2
+5 V
4
2
21
23
13
5
20
12
6, 7,
18, 19
3
16
22
9
1
1
2
2
R S
STEPPER
MOTOR
V
MM
Pin numbers refer
to EMP package.
GND (V
)
R S
0.1 F
0.1 F
+
10 F
V (+5 V)
CC
GND
(V )
CC
MM
Sign
DA
1
1
NJU39612
Voltage
Reference
Control Logic
Step
Direction
Clock Up/Dn
CE
A0
WR
CS
Vref
D0-D7
Counter
PROM
NJU39612
NJM3777
Figure 13. Typical application in a microprocessor based system.
Figure 12. Typical blockdiagram of an application without a microprocessor.
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions.
The application circuits in this databook are
described only to show representative
usages of the product and not intended for
the guarantee or permission of any right
including the industrial rights.
