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SA828
R
Y
B
SINGLE OR
3-PHASE
POWER
SUPPLY
–
RECTIFIER
AND
SMOOTHING
DC LINK
+
INVERTER
3-PHASE AC
INDUCTION
MOTOR
3-PHASE
VARIABLE VOLTAGE,
VARIABLE FREQUENCY
WAVEFORM
6
ISOLATOR
TTL LEVEL
PWM
6
WAVEFORMS
FAST
SHUTDOWN
SA828
DATA/ADDRESS BUS 8
(AD0-AD7)
MICROPROCESSOR
OR
MICROCONTROLLER
WITH ON-CHIP
ROM AND RAM
OPTIONAL
EXTERNAL
RAM
OPTIONAL
EXTERNAL
ROM
Fig. 19 A typical SA828 application
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