HD6473847RHV Datasheet, PDF (248/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 9 Timers
Table 9.1 Timer Functions
Name
Functions
Event Input Waveform
Internal Clock Pin
Output Pin Remarks
Timer A
• 8-bit timer
φ/8 to φ/8192 —
—
• Interval function
(8 choices)
• Clock time base
φ /128 (choice of
W
4 overflow
periods)
Timer F
• 16-bit timer
• Also usable as two
independent 8-bit
timers.
φ/4 to φ/32, φ /4 —
W
(4 choices)
TMOFL
TMOFH
• Output compare
output function
Asynchro-
nous event
counter
• 16-bit counter
• Also usable as two
independent 8-bit
counters
φ/2 to φ/8
(3 choices)
AEVL
—
AEVH
IRQAEC
• Counts events
asynchronous to φ
and
φ
W
• Can count
asynchronous events
(rising/falling/both
edges) independ-
ently of the MCU's
internal clock
Watchdog • Generates a reset φ/8192, φ_W/32 ⎯
⎯
H8/38004,
timer^*
signal by overflow of
H8/38002S
8-bit counter
Group
φ/64 to φ/8192
H8/38104
φw/32
Group
On-chip
oscillator
Note: * The watchdog timer functions differently on the H8/38004, H8/38002S and H8/38104
Group. See section 9.5, Watchdog Timer, for details.
Rev. 7.00 Mar. 08, 2010 Page 216 of 510
REJ09B0024-0700