M66242P 데이터 시트보기 (PDF) - Mitsumi

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M66242P

4-CH 12-BIT PWM GENERATOR

Mitsumi 

MITSUBISHI 〈DIGITAL ASSP〉

M66242P/FP

4-CH 12-BIT PWM GENERATOR

R

OC

CS

WR

SIN

Internal signal “φ”

(cycle start signal)

DATA

PWM output

High-impedance

Fig. 6 Output Control Timing Chart

1cycle

High-impedance

Start

Reset

Set lower byte

Set upper byte 1

b0 = ?

0

R = “L”

WR = “L”

WR = “L”

A

NO Setting

complete?

YES

Output enable

PWM output

OC = “L”,

or lower byte b3 = 1

Fig. 7 PWM Setting Flow Chart

Change

settings?

NO

YES

Repeat series

of operation A

Stop

7

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