
Rev.1.02
Nov 26, 2008
REJ03B0224-0102
455A Group
Fig 37. Timer 2 operation example
Timer 2 count source
Timer 2 start
Timer 2 count value
(Reload register)
Timer 2 underflow signal
PWM signal
0216 0116 0016 0316 0216 0116 0016 0316 0216 0116 0016 0316 0216 0116 0016 0316 0216 0116 0016
0316
(R2L)
PWM1 signal “L” fixed
- CNTR pin output invalid (W23=0)
Timer 2 count source
Timer 2 start
Timer 2 count value
(Reload register)
Timer 2 underflow signal
PWM signal
0216 0116 0016 0216 0116 0016 0316 0216 0116 0016 0216 0116 0016 0316 0216 0116 0016 0216 0116
0316
(R2L)
(R2H)
(R2L)
(R2H)
(R2L)
(R2H)
PWM period 7 clock
* : “0316” is set to reload register R3L and “0216” is set to reload register R3H.
4 clock
3 clock
4 clock
3 clock
4 clock
Timer 2 count source
Timer 2 start
Timer 2 count value
(Reload register)
Timer 2 underflow signal
PWM signal
0216 0116 0016
0216
0116 0016 0316 0216 0116 0016
0216
0116 0016 0316 0216 0116 0016 0216
0316
(R2L)
(R2H)
(R2L)
(R2H)
(R2L)
(R2H)
PWM period 7.5 clock
4 clock
3.5 clock
4 clock
3.5 clock
4 clock
Note: When the PWM signal “H” interval expansion function is valid,
set “1” or more to reload register R2H.
- CNTR pin output valid (W23=1), PWM signal “H” interval expansion function invalid (W22=0)
- CNTR pin output valid (W23=1), PWM signal “H” interval expansion function valid (W22=1) (Note)