H838099 Datasheet, PDF (297/736 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Tiny Series

Section 13 Timer G
Initial
Bit
Bit Name Value R/W Description
7
OVFH
0
R/(W)* Timer Overflow Flag H
Indicates that TCG has overflowed from H'FF to H'00
when the input capture input signal is high. This flag is
set by hardware and cleared by software. It cannot be
set by software.
[Setting condition]
Set when input capture input signal is high level and
TCG overflows from H'FF to H'00
[Clearing condition]
Writing 0 to OVFH after reading OVFH = 1
6
OVFL
0
R/(W)* Timer Overflow Flag L
Indicates that TCG has overflowed from H'FF to H'00
when the input capture input signal is low, or in interval
operation. This flag is set by hardware and cleared by
software. It cannot be set by software.
[Setting condition]
Set when TCG overflows from H'FF to H'00 while input
capture input signal is low level or during interval
operation
[Clearing condition]
Writing 0 to OVFL after reading OVFL = 1
5
OVIE
0
R/W Timer Overflow Interrupt Enable
Selects enabling or disabling of interrupt generation
when TCG overflows.
0: TCG overflow interrupt request is disabled
1: TCG overflow interrupt request is enabled
Rev. 2.00 Jul. 04, 2007 Page 257 of 692
REJ09B0309-0200