R8C23 datasheet(79/549 Pages) RENESAS

79 / 549 page

R8C/22 Group, R8C/23 Group

7. Programmable I/O Ports

Rev.2.00 Aug 20, 2008

Page 59 of 501

REJ09B0251-0200

X: 0 or 1

NOTE:

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

X: 0 or 1

NOTE:

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

X: 0 or 1

NOTES:

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

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

X: 0 or 1

NOTE:

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

Table 7.14

Port P1_2/KI2/AN10

PD1

KIEN

ADCON0

Function

Bit

PD1_2

KI2EN

CH2

CH1

CH0

ADGSEL0

Setting

value

Input port(1)

Output port

KI2 input

A/D converter input (AN10)

Table 7.15

Port P1_3/KI3/AN11

PD1

KIEN

ADCON0

Function

Bit

PD1_3

KI3EN

CH2

CH1

CH0

ADGSEL0

Setting

value

Input port(1)

Output port

KI3 input

A/D converter input (AN11)

Table 7.16

Port P1_4/TXD0

PD1

U0MR

Function

Bit

PD1_4

SMD2

SMD1

SMD0

Setting

value

000

Input port(1)

Output port

TXD0 output(2)

Table 7.17

Port P1_5/RXD0/(TRAIO)/(INT1)

PD1

TRAIOC

TRAMR

INTEN

Function

Bit

PD1_5

TIOSEL

TOPCR

TMOD2

TMOD1

TMOD0

INT1EN

Setting

value

Input port(1)

X1X

Other than 001b

Output port

X1X

Other than 001b

RXD0 input

0X0

Other than 001b

TRAIO input

Other than 001b

TRAIO/INT1 input

TRAIO pulse output

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