Renesas H8 Series Hardware Manual page 336

8-bit single-chip microcomputer

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Table of Contents

Section 9 Timers

Timer G Operation Modes

Timer G operation modes are shown in table 9.12.

Table 9.12 Timer G Operation Modes

Operation Mode

Reset Active

Reset Functions * Functions * Functions/

Input capture

Reset Functions * Functions * Functions/

Reset Functions * Functions * Functions/

Reset Functions * Functions * Functions/

Reset Functions Retained

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 1/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

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 operate the timer G in subactive mode or subsleep mode, select φw/4 as the TCG

internal clock and φw/2 as the subclock φ

selected, or when φw/8 or φw/4 is selected as the subclock φ

canceler do not operate.

Rev. 7.00 Mar 10, 2005 page 294 of 652

REJ09B0042-0700

Subactive Subsleep Standby

Functions Retained

. Note that when other internal clock is

Retained Retained

Retained Retained

Retained Retained

subclock (φw/8, φw/4, φw/2).

, TCG and the noise