Renesas R8C/18 Series Hardware Manual page 157

R8C/18 Group, R8C/19 Group
FFFFh
0000h
1
TCC00 bit in
TCC0 register
0
Measured pulse 1
(TCIN pin input)
0
Transmit timing from
1
timer C counter to
0
TM0 register
TM0 register
IR bit in 1
INT3IC register
0
1
IR bit in
TCIC register
0
The above applies under the following conditions.
TCC0 register TCC04 to TCC03 bits = 01b (capture input polarity is set for falling edge).
TCC07 = 0 (INT3/TCIN input as capture input trigger)
Figure 14.30 Operating Example in Input Capture Mode
Rev.1.30 Apr 14, 2006
REJ09B0222-0130
Count starts
←
Measurement value1
Set to 1 by program
The delay caused by digital filter and
one count source cycle delay (max.)
Transmit
Transmit
(measured
(measured value 2)
value 1)
Indeterminate
Measured
value 1
Set to 0 when interrupt request is acknowledged, or set by program
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Overflow
←
Measurement value 2
Measured value 2
←
Measurement
value 3
Set to 0 by
program
Transmit
(measured value 3)
Indeterminate
Measured
value 3
Set to 0 when interrupt request
is acknowledged, or set by
program
14. Timers
Period