7480 Datasheet, PDF (30/98 Pages) Bi technologies – 7/8 Diameter 5-Turn Wirewound Precision Potentiometer

PRELIMINARY _{NSootimcee: pTahriasmisentroict} ^{alimfinitsalasrpeescuifbicjeactitotno. change.}
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