R8C13 datasheet(114/224 Pages) RENESAS

114 / 224 page

Rev.1.20

Jan 27, 2006

page 103 of 205

REJ09B0111-0120

R8C/13 Group

12.4 Timer (Timer C)

Figure 12.31 TC Register, TM0 Register, TM1 Register, TCC0 Register

Symbol

Address

After reset

009116-009016

000016

Internal count source is counted

"000016" can be read out by reading when TCC00 bit = 0 (stops counting)

Count value can be read out by reading when TCC00 bit = 1 (start counting)

Function

Timer C register

Capture and compare 0 register

(b15)

(b8)

(b15)

(b8)

Symbol

Address

After reset

TM1

009F16-009E16

FFFF16

Function

Compare 1 register

(b15)

(b8)

The value compared

with Timer C is stored

Mode

Output compare

mode

Symbol

Address

After reset

TM0

009D16-009C16

0000162

When active edge of measurement pulse is input,

the value of the TC register is stored

Function

The value compared

with Timer C is stored

Mode

Input capture

mode

Output compare

mode(1)

Mode

Function

Setting range

000016 to FFFF16

Setting range

000016 to FFFF16

NOTES:

1. When setting a value in the TM0 register, set the TCC13 bit in the TCC1 register to “1”(compare 0 output selected)

When the TCC13 bit is set to “0”(capture selected), the value cannot be written.

2. When the TCC13 bit in the TCC1 register is set to “1”, the value is set to FFFF16.

Timer C control register 0

SymbolAddressAfter reset

TCC0009A16

0016

Bit name

Function

Bit symbol

b7 b6 b5 b4 b3 b2 b1 b0

0 0 : f1

0 1 : f8

1 0 : f32

1 1 : fRING-fast

TCC04

TCC02

TCC01

TCC00

TCC03

Timer C control start bit

Timer C count source select

bit(1)

0 : Count stop

1 : Count start

TCC07

b2 b1

0 0 : Rising edge

0 1 : Falling edge

1 0 : Both edges

1 1 : Avoid this setting

b4 b3

(b6-b5)

INT3 interrupt and capture

polarity select bit(1, 2)

INT3 interrupt and

capture input switching bit(1, 2)

0 : INT3

1 : fRING128

NOTES:

1. Change this bit when TCC00 bit is set to “0” (count stop).

2. The IR bit in the INT3IC may be set to “1” (interrupt requested) when the TCC03, TCC04, or TCC07 bit is rewritten.

Refer to the paragraph 19.2.5 “Changing Interrupt Factor” in the Usage Notes Reference Book.

Reserved bit

Must set to "0"

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