HD64F38024HV Datasheet, PDF (269/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Section 9 Timers
Section 9 Timers
9.1 Overview
This LSI provides six timers: timers A, C, F, G, and a watchdog timer, and an asynchronous event
counter. The functions of these timers are outlined in table 9.1.
Table 9.1 Timer Functions
Name
Timer A
Functions
• 8-bit timer
• Interval function
• Time base
Timer C
Timer F
Timer G
• 8-bit timer
• Interval function
• Event counting function
• Up-count/down-count
selectable
• 16-bit timer
• Event counting function
• Also usable as two
independent 8-bit timers
• Output compare output
function
• 8-bit timer
• Input capture function
• Interval function
Watchdog • Reset signal generated
timer^*
when 8-bit counter
overflows
Internal Clock
φ/8 to φ/8192
(8 choices)
Event
Input Pin
—
Waveform
Output Pin Remarks
—
φ_w/128 (choice of 4
overflow periods)
φ/4 to φ/8192, φW/4 TMIC
—
(7 choices)
Up-count/
down-count
controllable by
software or
hardware
φ/4 to φ/32, φ_w/4
(4 choices)
TMIF
TMOFL
TMOFH
φ/2 to φ/64, φW/4
TMIG
—
(4 choices)
φ/8192
φW/32
—
—
φ/64 to φ/8192
φW/32
On-chip oscillator
Counter
clearing option
Built-in capture
input signal
noise canceler
H8/38024,
H8/38024S,
H8/38024R
Group
H8/38124
Group
Rev. 8.00 Mar. 09, 2010 Page 247 of 658
REJ09B0042-0800