Section 9 Timers
Rev. 7.00 Mar 10, 2005 page 253 of 652
REJ09B0042-0700
9.3 Timer C
9.3.1 Overview
Timer C is an 8-bit timer that increments or decrements each time a clock pulse is input. This
timer has two operation modes, interval and auto reload.
Features
Features of timer C are given below.
• Choice of seven internal clock sources (φ/8192, φ/2048, φ/512, φ/64, φ/16, φ/4, φ
W
/4) or an
external clock (can be used to count external events).
• An interrupt is requested when the counter overflows.
• Up/down-counter switching is possible by hardware or software.
• Subactive mode or subsleep mode operation is possible when φ
W
/4 is selected as the internal
clock, or when an external clock is selected.
• Use of module standby mode enables this module to be placed in standby mode independently
when not used.
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