R5F2L3ACBNFP datasheet(131/848 Pages) RENESAS

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7. I/O Ports

REJ09B0441-0010 Rev.0.10

Jul 30, 2008

Page 95 of 809

Under development Preliminary specification

Specifications in this manual are tentative and subject to change.

R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,

R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group

7.4.12

UART2 Pin Select Register 0 (U2SR0)

The U2SR0 register selects which pin is assigned as the UART2 input/output. To use the I/O pins for UART2,

set this register.

Set the U2SR0 register before setting the UART2 associated registers. Also, do not change the setting value of

this register during UART2 operation.

Address 018Ah

Bit

b6b5

b4b3b2

Symbol

—

RXD2SEL1 RXD2SEL0

—

TXD2SEL1 TXD2SEL0

After Reset

000

Bit

Symbol

Bit Name

Function

R/W

TXD2SEL0 TXD2/SDA2 pin select bit

b1 b0

0 0: TXD2/SDA2 pin not used

0 1: P11_2 assigned

1 0: P11_1 assigned

1 1: Do not set.

R/W

TXD2SEL1

R/W

—

Nothing is assigned. If necessary, set to 0. When read, the content is 0.

—

RXD2SEL0 RXD2/SCL2 pin select bit

b5 b4

0 0: RXD2/SCL2 pin not used

0 1: P11_1 assigned

1 0: P11_2 assigned

1 1: Do not set.

R/W

RXD2SEL1

R/W

—

Nothing is assigned. If necessary, set to 0. When read, the content is 0.

—

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