Panasonic MN101C77C User Manual

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Chapter 6    8-bit Timers

8-bit PWM Output

„

Count Timing of PWM Output (when the compare register is x'00') (Timers 0, 4 and 5)

Here is the count timing when the compare register is set to x'00' ;

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Count Timing of PWM Output (when the compare register is x'FF') (Timers 0, 4 and 5)

Here is the count timing when the compare register is set to x'FF' ;

00

N+1

N+2

FE

FF

Count clock

TMnEN
flag

Compare 
register

Binary 
counter

00

01

N+1

N-1

N

00

01

N-1

N

TMnIO output
(PWM output)

H

L

FF

N+1

N+2

FE

FF

Count 
clock

TMnEN
flag

Compare 
register

Binary 
counter

00

01

N+1

N-1

N

00

01

N-1

N

TMnIO output
(PWM output)

When TMnEN flag is stopped ("0") PWM output is "H".