H838532H datasheet(279/508 Pages) RENESAS

279 / 508 page

Section 9 Timers

Rev. 1.00 May 30, 2008 Page 259 of 484

REJ09B0436-0100

(6) Timer G Operation Modes

Timer G operation modes are shown in table 9.13.

Table 9.13

Timer G Operation Modes

Operation Mode

Reset

Active

Sleep

Watch

Sub-

active

Sub-

sleep

Standby

Module

Standby

Input capture Reset

Functions* Functions* Functions/

halted*

Functions/

halted*

Functions/

halted*

Halted

TCG

Interval

Reset

Functions* Functions* Functions/

halted*

Functions/

halted*

Functions/

halted*

Halted

ICRGF

Reset

Functions* Functions* Functions/

halted*

Functions/

halted*

Functions/

halted*

Held

ICRGR

Reset

Functions* Functions* Functions

halted*

Functions/

halted*

Functions/

halted*

Held

TMG

Reset

Functions

Held

Functions Held

Held

Note:

When

φw/4 is selected as the TCG internal clock in active mode or sleep mode, since

the system clock and internal clock are mutually asynchronous, synchronization is

maintained by a synchronization circuit. This results in a maximum count cycle error of

φ (s). When φw/4 is selected as the TCG internal clock in watch mode, TCG and the

noise canceler operate on the

φw/4 internal clock without regard to the φ

SUB subclock

(

φw/8, φw/4, φw/2). Note that when another internal clock is selected, TCG and the

noise canceler do not operate, and input of the input capture input signal does not result

in input capture.

To be operated Timer G in subactive mode or subsleep mode, select

φw/4 for internal

clock of TCG and also select

φw/2 for sub clock φ

SUB. When another internal clock is

selected and when another sub clock (

φw/8, φw/4) is selected, TCG and noise canceler

do not operate.

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