M30245_06 RENESAS [Renesas Technology Corp], M30245_06 Datasheet - Page 47

• Manufacturer Part Number: M30245_06
• Description: RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
2.2.15 Precautions for Timer A (pulse width modulation mode)
(1) To clear reset, the count start flag is set to “0”. Set a value in the timer Ai register, then set the
(2) The timer Ai interrupt request bit becomes “1” if setting operation mode of the timer in compli-
(3) Setting the count start flag to “0” while PWM pulses are being output causes the counter to
flag to “1”.
ance with any of the following procedures:
Therefore, to use timer Ai interrupt (interrupt request bit), set timer Ai interrupt request bit to
“0” after the above listed changes have been made.
stop counting. If the TAi
goes to “L”, and the timer Ai interrupt request bit goes to “1”. If the TAi
“L” level in this instance, the level does not change, and the timer Ai interrupt request is not
generated.
• Selecting PWM mode after reset.
• Changing operation mode from timer mode to PWM mode.
• Changing operation mode from event counter mode to PWM mode.
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OUT
pin is outputting an “H” level in this instance, the output level
OUT
pin is outputting an
2. Timer A