R8C2K datasheet(194/471 Pages) RENESAS

194 / 471 page

R8C/2K Group, R8C/2L Group

16. Timers

Rev.1.10

Dec 21, 2007

Page 177 of 450

REJ09B0406-0110

Figure 16.28

PINSR3 Register

Figure 16.29

TRCMR Register

Pin Select Register 3

Symbol

Address

After Reset

PINSR3

00F7h

Undefined

Function

Set to “1Fh” w hen using Timer RC.

Do not set values other than “1Fh”.

When read, its content is undefined.

Timer RC Mode Register

(1)

Symbol

Address

After Reset

TRCMR

0120h

01001000b

Bit Symbol

Bit Name

Function

NOTES:

—

TSTART

TRC count start bit

0 : Count stops

1 : Count starts

PWM mode of TRCIOB select bit(2)

0 : Timer mode

1 : PWM mode

TRCGRC register function select

bit(3)

PWM mode of TRCIOC select bit(2)

Nothing is assigned. If necessary, set to 0.

When read, the content is 1.

—

(b6)

BFC

b7 b6 b5 b4

PWMB

0 : General register

1 : Buffer register of TRCGRA register

TRCGRD register function select

bit

0 : General register

1 : Buffer register of TRCGRB register

0 : Timer mode

1 : PWM mode

PWMD

PWM mode of TRCIOD select bit(2)

b3 b2

BFD

b1 b0

PWMC

These bits are enabled w hen the PWM2 bit is set to 1 (timer mode or PWM mode).

3. Set the BFC bit to 0 (general register) in PWM2 mode.

0 : Timer mode

1 : PWM mode

PWM2

PWM2 mode select bit

0 : PWM 2 mode

1 : Timer mode or PWM mode

For notes on PWM2 mode, refer to 16.3.9.5 TRCMR Register in PWM2 Mode.

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