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4524 Datasheet, PDF (41/161 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |||
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4524 Group
q CNTR1 output: invalid (W43 = â0â)
Timer 4 count source
Timer 4 count value
(Reload register)
Timer 4 underflow signal
0316 0216 0116 0016 0316 0216 0116 0016 0316 0216 0116 0016 0316 0216 0116 0016 0316 0216 0116 0016
(R4L)
(R4L)
(R4L)
(R4L)
(R4L)
PWM signal (output invalid)
Timer 4 start
PWM signal âLâ fixed
q CNTR1 output: valid (W43 = â1â)
PWM signal âHâ interval extension function: invalid (W42 = â0â)
Timer 4 count source
Timer 4 count value
(Reload register)
Timer 4 underflow signal
0316 0216 0116 0016 0216 0116 0016 0316 0216 0116 0016 0216 0116 0016 0316 0216 0116 0016 0216 0116
(R4L)
(R4H)
(R4L)
(R4H)
(R4L)
(R4H)
PWM signal
Timer 4 start
3 clock
PWM period 7 clock
3 clock
PWM period 7 clock
q CNTR1 output: valid (W43 = â1â)
PWM signal âHâ interval extension function: valid (W42 = â1â) (Note)
Timer 4 count source
Timer 4 count value
(Reload register)
Timer 4 underflow signal
0316 0216 0116 0016 0216 0116 0016 0316 0216 0116 0016 0216 0116 0016 0316 0216 0116 0016 0216
(R4L)
(R4H)
(R4L)
(R4H)
(R4L)
(R4H)
PWM signal
Timer 4 start
3.5 clock
PWM period 7.5 clock
3.5 clock
PWM period 7.5 clock
Note: At PWM signal âHâ interval extension function: valid, set â0116â or more to reload register R4H.
Fig. 27 Timer 4 operation (reload register R4L: â0316â, R4H: â0216â)
Rev.2.00 Jul 27, 2004 page 41 of 159
REJ03B0091-0200Z
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