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HD64F3642AHV Datasheet, PDF (225/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents | |||
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Section 9 Timers
Section 9 Timers
9.1 Overview
The H8/3644 Group provides five timers: timers A, B1, V, X, and a watchdog timer. The
functions of these timers are outlined in table 9.1.
Table 9.1 Timer Functions
Name
Functions
Event
Internal Clock Input Pin
Timer A
8-bit timer
⢠Interval function
Ï/8 to Ï/8192

(8 choices)
⢠Time base
ÏW/128
(choice of 4
overflow periods)
⢠Clock output
Ï/4 to Ï/32

ÏW/4 to ÏW/32
(8 choices)
Timer B1 ⢠8-bit timer
⢠Interval timer
Ï/4 to Ï/8192
(7 choices)
⢠Event counter
Timer V
⢠8-bit timer
⢠Event counter
Ï/4 to Ï/128
(6 choices)
⢠Output control by dual
compare match
⢠Counter clearing option
⢠Count-up start by
external trigger input can
be specified
Timer X
⢠16-bit free-running timer Ï/2 to Ï/32
⢠2 output compare
(3 choices)
channels
⢠4 input capture channels
⢠Counter clearing option
⢠Event counter
Watchdog ⢠Reset signal generated Ï/8192
timer
when 8-bit counter
overflows
TMIB
TMCIV
FTCI
FTIA
FTIB
FTIC
FTID

Waveform
Output Pin Remarks

TMOW

TMOV
FTOA
FTOB

Rev. 6.00 Sep 12, 2006 page 203 of 526
REJ09B0326-0600
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