Renesas PCA4738L-64A Información técnica descargar pdf (Pagina 28)

MITSUBISHI MICROCOMPUTERS

3802 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

ABC

PWM output

PWM register

write signal

PWM prescaler

write signal

(Changes from “A” to “B” during “H” period)

(Changes from “T” to “T2” during PWM period)

When the contents of the PWM register or PWM prescaler have changed, the PWM

output will change from the next period after the change.

Fig. 20 Structure of PWM control register

Fig. 21 PWM output timing when PWM register or PWM prescaler is changed

PWM control register

(PWMCON : address 002B

)

PWM function enable bit

Count source selection bit

Not used (return “0” when read)

0: PWM disabled

1: PWM enabled

0: f(X

)

1: f(X

)/2

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Renesas PCA4738L-64A Información técnica Pagina 28