NJU39610
D0-D7
NJU39610
NJM3771
Counter
PROM
A0
WR
CE
Clock Up/Dn
CS
A1
Vref
Step
Direction
Control Logic
Voltage
Reference
Figure 13. Typical blockdiagram of an application without a microprocessor.
V
CC
(+5 V)
+
0.1
µF
0.1
µF
V
MM
10
µF
5
14
D0
V DD
Sign1
CD1
7
To
µP
15
16
6
17
22
1
D7
V
3
4
2
7
8
9
Phase
1
CD
1
V
R1
Phase
2
CD
2
V
R2
RC GND
12
+5 V
15 kΩ
3 300 pF
11
CC
3
V
MM1
20
V
MM2
M
A1
4
NJU39610
A0
A1
WR
CS
RESET
V Ref
DA1
Sign2
CD2
M
B1
1
19
NJM3771
M
A2
M
B2
C
1
10
1 kΩ
20
19
21
16
15
14
22
+2.5V
V SS
18
DA2
E
1
2
C
2
13
1 kΩ
E
2
21
5, 6,
17, 18
STEPPER
MOTOR
820 pF
1.0
Ω
RS
820 pF
1.0
Ω
RS
Pin numbers refer
to DIP package.
GND (V
MM
)
GND
(V
CC
)
Figure 14. Typical application in a microprocessor based system.
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.
NJRC [ NEW JAPAN RADIO ]
