R29 datasheet(203/473 Pages) RENESAS

203 / 473 page

R8C/28 Group, R8C/29 Group

14. Timers

Rev.2.10

Sep 26, 2008

Page 184 of 441

REJ09B0279-0210

Figure 14.36

Registers TRCIOR0 and TRCIOR1

Timer RC I/O Control Register 0

(1)

Symbol

Address

After Reset

TRCIOR0

0124h

10001000b

Bit Symbol

Bit Name

Function

NOTES:

IOB2

TRCGRA mode select bit(2)

0 : Output compare function

1 : Input capture function

TRCGRA input capture input

sw itch bit(4)

0 : fOCO128 signal

1 : TRCIOA pin input

0 : Output compare function

1 : Input capture function

IOA1

IOA0

TRCGRA control bits

Function varies according to the operating mode

(function).

b7 b6 b5 b4

IOA2

TRCGRB mode select bit(3)

The TRCIOR0 register is enabled in timer mode. It is disabled in modes PWM and PWM2.

—

(b7)

b3 b2

IOA3

b1 b0

The IOA3 bit is enabled w hen the IOA2 bit is set to 1 (input capture function).

TRCGRB control bits

Function varies according to the operating mode

(function).

When the BFD bit in the TRCMR register is set to 1 (buffer register of TRCGRB register), set the IOD2 bit in the

TRCIOR1 register to the same value as the IOB2 bit in the TRCIOR0 register.

—

IOB0

IOB1

Nothing is assigned. If necessary, set to 0.

When read, the content is 1.

When the BFC bit in the TRCMR register is set to 1 (buffer register of TRCGRA register), set the IOC2 bit in the

TRCIOR1 register to the same value as the IOA2 bit in the TRCIOR0 register.

Timer RC I/O Control Register 1

(1)

Symbol

Address

After Reset

TRCIOR1

0125h

10001000b

Bit Symbol

Bit Name

Function

NOTES:

The TRCIOR1 register is enabled in timer mode. It is disabled in modes PWM and PWM2.

Nothing is assigned. If necessary, set to 0.

When read, the content is 1.

TRCGRC mode select bit(2)

0 : Output compare function

1 : Input capture function

—

(b7)

IOD2

TRCGRD control bits

IOC1

IOC0

TRCGRC control bits

Function varies according to the operating mode

(function).

b7 b6 b5 b4

IOC2

0 : Output compare function

1 : Input capture function

b3 b2

—

(b3)

b1 b0

Function varies according to the operating mode

(function).

When the BFD bit in the TRCMR register is set to 1 (buffer register of TRCGRB register), set the IOD2 bit in the

TRCIOR1 register to the same value as the IOB2 bit in the TRCIOR0 register.

—

IOD0

IOD1

Nothing is assigned. If necessary, set to 0.

When read, the content is 1.

When the BFC bit in the TRCMR register is set to 1 (buffer register of TRCGRA register), set the IOC2 bit in the

TRCIOR1 register to the same value as the IOA2 bit in the TRCIOR0 register.

TRCGRD mode select bit(3)

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