SA9602M
MOTOR DRIVE WAVEFORM
MOTOR
V
DD
V
s s
MOTOR
t
t
m
UNIPOLAR MD=0
t
m
V
DD
Z
V
s s
DR-01331
t
t
m
BIPOLAR MD=1
t
m
The pulse width for t
m
is selected by the status of the motor pulse width input pin,
MPW. The two possible options are shown in the following table.
MOTOR PULSE WIDTH, MPW
Motor pulse width input, MPW
Signal
t
m
0
37
1
71.4
ms
Unit
Note that wide pulses (MPW = 1) are not allowed with a high pulse rate specified
by R1 = 1. The pulse rate of the motor driver ouput of the S9602M is selected by
the inputs MP1 and MP0. Four pulse rate options are available as shown in tabular
form below.
PULSE RATE SELECTION
Pulse Rate Selection Input
MP1
0
0
1
1
MP0
0
1
0
1
Motor drive output
selection
1
10
100
1000
Unit
Wh/pulse
Wh/pulse
Wh/pulse
Wh/pulse
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sames