m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 151

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

[Precautions for pulse width modulation (PWM) mode]
TIMER A
[Precautions for pulse width modulation (PWM) mode]
1. If the count start bit is cleared to “0” during PWM pulse output, the counter stops counting. If the TAi
2. When the timer’s operating mode is set by one of the following procedures, the timer Ai interrupt request
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pin outputs “H” level at that time, the output level will become “L” and the timer Ai interrupt request bit
will be set to “1.” When the TAi
no timer Ai interrupt request will occur.
bit is set to “1.”
Accordingly, when using a timer Ai interrupt (interrupt request bit), be sure to clear the timer Ai interrupt
request bit to “0” after the above setting.
When the PWM mode is selected after reset
When the operating mode is switched from the timer mode to the PWM mode
When the operating mode is switched from the event counter mode to the PWM mode
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pin outputs “L” level at that time, the output level will not change and
7905 Group User’s Manual Rev.1.0
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