
R8C/10 Group
Rev.1.20 Jan 27, 2006 page 88 of 180
REJ09B0019-0120
Counter contents (hex)
TCC00 bit in TCC0
register
Measurement pulse
(TC
IN
pin input)
TM0 register
FFFF16
000016
Conditions: TCC0 register TCC04 to TCC03 bits=01
2
(capture input polarity is set for falling edge),
TCC07=0 (INT3/TC
IN
input as capture input trigger)
Count start
IR bit in TCIC
register
“H”
“L”
“1”
“0”
Set to “0” when interrupt
request is accepted, or set by
program
Set to "0" by
program
Set to "1" by program
Overflow
Measurement value 2
Indeterminate
Set to “0” when interrupt request is accepted, or set by program
IR bit in INT3IC
register
Measurement value 1
Transmit timing from
Timer C counter to
TM0 register
Measurement
value 1
Measurement value 2
Measurement
value 3
Indeterminate
Transmit
(Measurement
value 3)
Transmit
(Measurement
value 2)
Transmit
(Measurement
value 1)
Time
Measure-
ment
value 3
“1”
“0”
“1”
“0”
The delay caused
by digital filter
Figure 12.30 Operation Example of Timer C
12.4 Timer (Timer C)
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