7480 데이터 시트보기 (PDF) - Renesas Electronics

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7480

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

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MITSUBISHI MICROCOMPUTERS

7480/7481 GROUP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

ts

Timer X/timer Y

count source

Timer X/timer Y

PWM output

n!t s

m!t s

(n+m)!t s

TR

CNTR

TR

CNTR : CNTR0/CNTR1 interrupt request

(CNTR polarity selection bit “0” : falling edge active)

TR : Timer interrupt

Note : A PWM waveform with duty n/(n+m) and cycle (n+m) ! ts is output.

• TXH/TYH setting value: n= 0 – 255

• TXL/TYL setting value: m = 0 – 255

• Timer X/timer Y count source cycle: ts

• n+m = 0 – 510

Fig. 25 Timing diagram in PWM mode

29

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