R8A66170SP データシートの表示（PDF） - Renesas Electronics

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R8A66170SP

4-CH 16-BIT PWM GENERATOR

Renesas Electronics 

R8A66170DD/SP

Initial state

In the case of command 1, if the D1 is set as “external trigger ON” it does not output a pulse to PWM output and its

status is held in the high impedance even if the operation of internal circuit is started by specifying enable condition

with command 3.

In this case the pulse can be output to PWM output by entering H level into TRG input in Mode 0,Mode 2 or entering H

pulse into TRG input in Mode1. (See Fig.8)

In Mode 0 or Mode 2, putting TRG input to L level during PWM is outputting pulse makes PWM output keeps its state.

When TRG input is put back to H level, the operation are resumed from that point.

D0～D7

Command 3

Enable

CS

C/D

WR

Oscillator source

Prescaler output

Internal signal (PWM clock)

External trigger off

PWM output

"Z"

External trigger on

TRG

PWM output

"Z"

Fig.8 (When H width polarity is “H”)

(L=1, M=3)

REJ03F0272-0100 Rev.1.00 Apr.01.2008

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