R8CSLASH2G datasheet(223/344 Pages) RENESAS

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R8C/2G Group

17. Timers

Rev.1.00

Apr 04, 2008

Page 203 of 318

REJ09B0387-0100

Figure 17.49

Registers TRFCR2 and TRFCR0

Timer RF Control Register 2

Symbol

Address

After Reset

TRFCR2

0299h

00h

Bit Symbol

Bit Name

Function

—

(b6-b5)

—

(b7)

—

TRFC20

—

(b4-b1)

—

Timer RF capture input select bit

0 : TRFI pin input

1 : fC32

b3 b2 b1 b0

b7 b6 b5 b4

Nothing is assigned. If necessary, set to 0.

When read, the content is 0.

Nothing is assigned. If necessary, set to 0.

When read, the content is 0.

Set to 0.

Reserved bits

Timer RF Control Register 0

Symbol

Address

After Reset

TRFCR0

029Ah

00h

Bit Symbol

Bit Name

Function

NOTE:

b4 b3

0 0 : Rising edge

0 1 : Falling edge

1 0 : Both edges

1 1 : Do not set.

TRFC04

TRFC03

0 : TRFC06 bit disabled

Holds output level before count stops

1 : TRFC06 bit enabled

Capture polarity select bits(1)

b7 b6 b5 b4

b3 b2 b1 b0

TCK0

Timer RF count start bit

0 : Count stops

1 : Count starts

Timer RF count source select

bits(1)

b2 b1

0 0 : f1

0 1 : f8

1 0 : f32

1 1 : Do not set.

TCK1

TSTART

Rew rite this bit w hen the TSTART bit is set to 0 (count stops).

CMP output select bit 0 w hen

count stops

TRFC05

TRFC06

CMP output select bit 1 w hen

count stops

0 : “L” output w hen count stops

1 : “H” output w hen count stops

—

(b7)

Reserved bit

Set to 0.

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