R8CSLASH2G datasheet(190/344 Pages) RENESAS

部件名	R8C/2G

功能描述	RENESAS MCU R8C FAMILY / R8C/2x SERIES

PDF	344 Pages

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制造商	RENESAS [Renesas Technology Corp]

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R8C/2G Group

17. Timers

Rev.1.00

Apr 04, 2008

Page 170 of 318

REJ09B0387-0100

Figure 17.19

Operating Example of Timer RB in Programmable Waveform Generation Mode

IR bit in TRBIC

Count source

Timer RB prescaler

underflow signal

Counter of timer RB

TRBO pin output

TOPL bit in TRBIO

Set to 1 by program

Set to 0 when interrupt

request is acknowledged,

or set by program.

The above applies under the following conditions.

TSTART bit in TRBCR

01h

00h

02h

Timer RB secondary reloads

Timer RB primary reloads

Set to 0 by program

TRBPRE = 01h, TRBPR = 01h, TRBSC = 02h

TRBIOC register TOCNT = 0 (timer RB waveform is output from the TRBO pin)

02h

01h

00h

01h

00h

Primary period

Secondary period

Waveform

output starts

Waveform output inverted

Waveform output starts

Initial output is the same level

as during secondary period.

R8C/2G 数据表(PDF) 190 Page - Renesas Technology Corp

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