SH7136_09 Datasheet, PDF(4/22 Page) Renesas Technology Corp – SCI Clock Synchronous Simultaneous Transmit and Receive of Serial Data and DTC Data Transfer

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SH7136_09 Datasheet, PDF (4/22 Pages) Renesas Technology Corp – SCI Clock Synchronous Simultaneous Transmit and Receive of Serial Data and DTC Data Transfer

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SH7136/SH7137 Group

SCI Clock Synchronous Simultaneous Transmit and

Receive of Serial Data and DTC Data Transfer

RXD

TXD

SCK

SCRDR

SCRSR

Module data bus

SCTDR

SCTSR

SCSSR

SCSCR

SCSMR

SCSPTR

SCSDCR

Transmission/reception

control

SCBRR

Baud rate

generator

Parity generation

Parity check

Clock

External clock

SCI

[Legend]

SCRSR: Receive shift register

SCRDR: Receive data register

SCTSR: Transmit shift register

SCTDR: Transmit data register

SCSMR: Serial mode register

SCSCR: Serial control register

SCSSR: Serial status register

SCBRR: Bit rate register

SCSPTR: Serial port register

SCSDCR: Serial direction control register

Figure 2 SCI Block Diagram

Internal

data bus

PÏ

PÏ/4

PÏ/16

PÏ/64

TEI

TXI

RXI

ERI

REJ06B0890-0100/Rev.1.00

July 2009

Page 4 of 22

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