R8CSLASH29 datasheet(215/471 Pages) RENESAS

215 / 471 page

R8C/28 Group, R8C/29 Group

14. Timers

Rev.2.10

Sep 26, 2008

Page 198 of 441

REJ09B0279-0210

Figure 14.47

TRCIOR0 Register for Output Compare Function

Timer RC I/O Control Register 0

Symbol

Address

After Reset

TRCIOR0

0124h

10001000b

Bit Symbol

Bit Name

Function

NOTES:

TRCGRA mode select bit(1)

Set to 0 (output compare) in the output compare

function.

TRCGRA input capture input

sw itch bit

Set to 1.

IOA1

IOA0

TRCGRA control bits

b1 b0

0 0 : Disable pin output by compare

match (TRCIOA pin functions as the

programmable I/O port)

0 1 : “L” output by compare match in

the TRCGRA register

1 0 : “H” output by compare match in

the TRCGRA register

1 1 : Toggle output by compare match

in the TRCGRA register

b7 b6 b5 b4

b3 b2

IOA3

b1 b0

IOA2

—

(b7)

IOB2

TRCGRB control bits

b5 b4

0 0 : Disable pin output by compare

match (TRCIOB pin functions as the

programmable I/O port)

0 1 : “L” output by compare match in

the TRCGRB register

1 0 : “H” output by compare match in

the TRCGRB register

1 1 : Toggle output by compare match

in the TRCGRB register

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.

TRCGRB mode select bit(2)

Set to 0 (output compare) in the output compare

function.

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