R28 datasheet(81/473 Pages) RENESAS

81 / 473 page

R8C/28 Group, R8C/29 Group

7. Programmable I/O Ports

Rev.2.10

Sep 26, 2008

Page 62 of 441

REJ09B0279-0210

X: 0 or 1

NOTE:

1. Pulled up by setting the PU02 bit in the PUR0 register to 1.

NOTE:

1. Set the TOCNT bit in the TRBIOC register to 0 in modes except for programmable waveform generation mode.

X: 0 or 1

NOTES:

1. Pulled up by setting the PU03 bit in the PUR0 register to 1.

2. N-channel open drain output by setting the NCH bit in the U0C0 register to 1.

Table 7.8

TRCIOB Pin Setting

TRCOER

TRCMR

TRCIOR0

Function

Bit

PWM2

PWMB

IOB2

IOB1

IOB0

Setting

Value

XXXX

PWM2 mode waveform output

PWM mode waveform output

010

001

Timer waveform output (output compare

function)

Timer mode (input capture function)

Other than above

Other than TRCIOB usage conditions

Table 7.9

Port P1_3/KI3/AN11/TRBO

PD1

KIEN

Timer RB Setting

ADCON0

Function

Bit

PD1_3

KI3EN

−

CH2

CH1

CH0

ADGSEL0

Setting

Value

Other than TRBO usage conditions

Input port(1)

Other than TRBO usage conditions

Output port

Other than TRBO usage conditions

A/D converter input (AN11)

Other than TRBO usage conditions

KI3 input

Refer to Table 7.10 TRBO Pin

Setting

TRBO output

Table 7.10

TRBO Pin Setting

PINSR2

TRBIOC

TRBMR

Function

Bit

TRBOSEL

TOCNT(1)

TMOD1

TMOD0

Setting

Value

Programmable waveform generation mode

Programmable one-shot generation mode

Programmable wait one-shot generation mode

P1_3 output port

Other than above

Other than TRBO usage conditions

Table 7.11

Port P1_4/TXD0

PD1

U0MR

Function

Bit

PD1_4

SMD2

SMD1

SMD0

Setting

Value

0000

Input port(1)

1000

Output port

001

TXD0 output(2)

100

101

110

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