R8C datasheet(98/199 Pages) RENESAS

98 / 199 page

R8C/10 Group

Rev.1.20 Jan 27, 2006

page 88 of 180

REJ09B0019-0120

TCC00 bit in TCC0

Measurement pulse

(TCIN pin input)

TM0 register

FFFF16

000016

Conditions: TCC0 register TCC04 to TCC03 bits=012 (capture input polarity is set for falling edge),

TCC07=0 (INT3/TCIN input as capture input trigger)

Count start

IR bit in TCIC

“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

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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