H838024 datasheet(376/697 Pages) RENESAS

Part #	H838024

Description	Renesas 8-Bit Single-Chip Microcomputer Super Low Power Series

PDF	697 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 10 Serial Communication Interface

Rev. 7.00 Mar 10, 2005 page 334 of 652

REJ09B0042-0700

10.1.3

Pin Configuration

Table 10.1 shows the SCI3 pin configuration.

Table 10.1

Pin Configuration

Name

Abbr.

I/O

Function

SCI3 clock

SCK32

I/O

SCI3 clock input/output

SCI3 receive data input

RXD32

Input

SCI3 receive data input

SCI3 transmit data output

TXD32

Output

SCI3 transmit data output

10.1.4

Table 10.2 shows the SCI3 register configuration.

Table 10.2

Registers

Name

Abbr.

R/W

Initial Value

Address

Serial mode register

SMR

R/W

H'00

H'FFA8

Bit rate register

BRR

R/W

H'FF

H'FFA9

Serial control register 3

SCR3

R/W

H'00

H'FFAA

Transmit data register

TDR

R/W

H'FF

H'FFAB

Serial status register

SSR

R/W

H'84

H'FFAC

Receive data register

RDR

H'00

H'FFAD

Transmit shift register

TSR

Protected —

—

Receive shift register

RSR

Protected —

—

Bit rate counter

BRC

Protected —

—

Clock stop register 1

CKSTPR1

R/W

H'FF

H'FFFA

Serial port control register

SPCR

R/W

—

H'FF91

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