HD6473837H Datasheet, PDF (205/562 Pages) Renesas Technology Corp – Hardware Manual

9.3.4 Timer B Operation States
Table 9.7 summarizes the timer B operation states.
Table 9.7 Timer B Operation States
Operation Mode Reset Active
TCB Interval
Reset Functions
Auto reload Reset Functions
TMB
Reset Functions
Sleep
Functions
Functions
Retained
Watch
Halted
Halted
Retained
Sub-
active
Sub-
sleep
Standby
Halted Halted Halted
Halted Halted Halted
Retained Retained Retained
9.4 Timer C
9.4.1 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
The main 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.
• Can be switched between up- and down-counting by software or hardware.
• When φ_W/4 is selected as the internal clock source, or when an external clock is selected, timer
C can function in subactive mode and subsleep mode.
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