MC68HC708MP16CFU

Manufacturer Part NumberMC68HC708MP16CFU
ManufacturerFreescale Semiconductor, Inc
MC68HC708MP16CFU datasheet
 
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Page 160/398

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Pulse Width Modulator for Motor Control (PWMMC)
UP/DOWN COUNTER
MODULUS=4
DEAD-TIME = 2
PWM VALUE = 3
OUTCTL
OUT1
OUT2
PWM1
PWM2
PWM1/PWM2
2
DEAD-TIME
DEAD-TIME INSERTED AS PART OF
NORMAL PWM OPERATION AS
CONTROLLED BY CURRENT
SENSING AND PWM GENERATOR.
Figure 9-29. Dead-Time Insertion During OUTCTL = 1
UP/DOWN COUNTER
MODULUS = 4
DEAD-TIME = 2
PWM VALUE = 3
OUTCTL
OUT1
OUT2
PWM1
PWM2
2
2
PWM1/PWM2
DEAD-TIME
DEAD-TIME INSERTED BECAUSE
WHEN OUTCTL WAS SET, THE
STATE OF OUT1 WAS SUCH THAT
PWM1 WAS DIRECTED TO TOGGLE
Figure 9-30. Dead-Time Insertion During OUTCTL = 1
Technical Data
160
Pulse Width Modulator for Motor Control (PWMMC)
2
DEAD-TIME INSERTED DUE
TO SETTING OF OUT1 BIT.
2
2
DEAD-TIMES INSERTED
BECAUSE OUT1 TOGGLES,
DIRECTING PWM1 TO
TOGGLE.
2
DEAD-TIME INSERTED
DUE TO CLEARING OF
OUT1 BIT.
NO DEAD-TIME INSERTED
BECAUSE OUT1 IS NOT
TOGGLING.
MC68HC708MP16
Rev. 3.1
Freescale Semiconductor