SH7721 datasheet(653/1524 Pages) RENESAS

Part #	SH7721

Description	Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

PDF	1524 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 18

Serial Communication Interface with FIFO (SCIF)

Rev. 3.00 Jan. 18, 2008 Page 591 of 1458

REJ09B0033-0300

Bit

Bit Name

Initial value

R/W

Description

7 to 0

SCFTD7 to SCFTD0

Undefined

FIFO Data Registers for Serial Transmit

Data

18.3.5

Serial Mode Register (SCSMR)

SCSMR is a 16-bit register that specifies the SCIF serial communication format and selects the

clock source for the baud rate generator and the sampling rate.

Bit

Bit Name

Initial Value

R/W

Description

15 to 11



All 0

Reserved

These bits are always read 0. The write value should

always be 0.

SRC2

SRC1

SRC0

R/W

Sampling Control 2 to 0

Select sampling rate.

000: Sampling rate 1/16

001: Sampling rate 1/5

010: Sampling rate 1/7

011: Sampling rate 1/11

100: Sampling rate 1/13

101: Sampling rate 1/17

110: Sampling rate 1/19

111: Sampling rate 1/27

C/A

R/W

Communication Mode

Selects whether the SCI operates in the

asynchronous or synchronous mode.

0: Asynchronous mode

1: Synchronous mode

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