H8SX1663 datasheet(709/1158 Pages) RENESAS

709 / 1158 page

Section 15 Serial Communication Interface (SCI, IrDA, CRC)

Rev.1.00 Jun. 07, 2006 Page 657 of 1102

REJ09B0294-0100

RxD0

TxD0

Clock

φ/4

φ/16

φ/64

TEI

TXI

RXI

ERI

SCMR

SSR

SCR

IrCR*

Transmission/

reception control

Baud rate

generator

BRR

TMR

TMO4, 6

TMO5, 7

Module data bus

RDR

TSR

RSR

Parity generation

Parity check

[Legend]

RSR:

Receive shift register

RDR:

Receive data register

TSR:

Transmit shift register

TDR:

Transmit data register

SMR:

Serial mode register

SCR:

Serial control register

SSR:

Serial status register

SCMR: Smart card mode register

BRR:

Bit rate register

SEMR: Serial extended mode register

IrCR:

IrDA control register (available only for SCI_5)

Note: * SCL_5 only.

TDR

Average transfer rate

generator

At 8-MHz operation:

460.784 kbps

At 10.667-MHz operation:

115.152 kbps

460.606 kbps

At 12-MHz operation:

230.263 kbps

460.526 kbps

At 16-MHz operation:

115.196 kbps

460.784 kbps

720 kbps,

921.569 kbps

At 24-MHz operation:

115.132 kbps

460.526 kbps

720 kbps

921.053 kbps

At 32-MHz operation:

720 kbps

Figure 15.2 Block Diagram of SCI_5 and SCI_6

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