4524_M Datasheet, PDF (55/310 Pages) Renesas Technology Corp – 4-BIT CISC SINGLE-CHIP MICROCOMPUTER 720 FAMILY / 4500 SERIES

4524 Group
HARDWARE
FUNCTION BLOCK OPERATIONS
q CNTR1 output: invalid (W43 = “0”)
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 “L” fixed
q CNTR1 output: valid (W43 = “1”)
PWM signal “H” interval extension function: invalid (W42 = “0”)
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 = “1”)
PWM signal “H” interval extension function: valid (W42 = “1”) (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 “H” interval extension function: valid, set “0116” or more to reload register R4H.
Fig. 27 Timer 4 operation (reload register R4L: “0316”, R4H: “0216”)
Rev.2.00 Aug, 06 2004
REJ09B0107-0200Z
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