HD6432351 datasheet(583/1025 Pages) RENESAS

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Section 13 Serial Communication Interface (SCI)

Rev. 3.00 Sep 15, 2006 page 549 of 988

REJ09B0330-0300

13.1.4

The SCI has the internal registers shown in table 13.2. These registers are used to specify

asynchronous mode or clocked synchronous mode, the data format, and the bit rate, and to control

transmitter/receiver.

Table 13.2 SCI Registers

Channel

Name

Abbreviation

R/W

Initial Value

Address*

Serial mode register 0

SMR0

R/W

H'00

H'FF78

Bit rate register 0

BRR0

R/W

H'FF

H'FF79

Serial control register 0

SCR0

R/W

H'00

H'FF7A

Transmit data register 0

TDR0

R/W

H'FF

H'FF7B

Serial status register 0

SSR0

R/(W)*

H'84

H'FF7C

Receive data register 0

RDR0

H'00

H'FF7D

Smart card mode register 0

SCMR0

R/W

H'F2

H'FF7E

Serial mode register 1

SMR1

R/W

H'00

H'FF80

Bit rate register 1

BRR1

R/W

H'FF

H'FF81

Serial control register 1

SCR1

R/W

H'00

H'FF82

Transmit data register 1

TDR1

R/W

H'FF

H'FF83

Serial status register 1

SSR1

R/(W)*

H'84

H'FF84

Receive data register 1

RDR1

H'00

H'FF85

Smart card mode register 1

SCMR1

R/W

H'F2

H'FF86

All

Module stop control register

MSTPCR

R/W

H'3FFF

H'FF3C

Notes: 1. Lower 16 bits of the address.

2. Can only be written with 0 for flag clearing.

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