HD64F3644PV Datasheet, PDF (225/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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
φ/8 to φ/8192

(8 choices)
• Time base
φW/128
(choice of 4
overflow periods)
• Clock output
φ/4 to φ/32

φW/4 to φW/32
(8 choices)
Timer B1 ^{• 8-bit timer}
• Interval timer
φ/4 to φ/8192
(7 choices)
• Event counter
Timer V
• 8-bit timer
• Event counter
φ/4 to φ/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 _{φ/2 to φ/32}
• 2 output compare
(3 choices)
channels
• 4 input capture channels
• Counter clearing option
• Event counter
Watchdog ^{• Reset signal generated} φ/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