Timer X; Overview - Renesas H8 Series Hardware Manual

8-bit single-chip microcomputer

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Table of Contents

Section 9 Timers

Timer X

Timer X is based on a 16-bit free-running counter (FRC). It can output two independent

waveforms, or measure input pulse widths and external clock periods.

Features of timer X are given below.

• Choice of three internal clock sources (φ/2, φ/8, φ/32) or an external clock (can be used as an

external event counter).

• Two independent output compare waveforms.

• Four independent input capture channels, with selection of rising or falling edge and buffering

• Counter can be cleared by compare match A.

• Seven independent interrupt sources: two compare match, four input capture, one overflow

Rev. 6.00 Sep 12, 2006 page 238 of 526

REJ09B0326-0600