R5F72115D160FPV datasheet(722/1228 Pages) RENESAS

Part #	R5F72115D160FPV

Description	32-Bit RISC Microcomputer SuperHTM RISC engine Family

PDF	1228 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 15 Serial Communication Interface with FIFO (SCIF)

Rev. 2.00 May. 08, 2008 Page 698 of 1200

REJ09B0344-0200

15.3.13

Serial Extended Mode Register (SCSEMR)

SCSEMR is an 8-bit register that extends the SCIF functions. The transfer rate can be doubled by

setting the basic clock in asynchronous mode. The basic clock can be set for only channels 1 and

Be sure to set this register to H'00 in clocked synchronous mode. SCSEMR is initialized to H'00

by a power-on reset.

Bit:

Initial value:

R/W:

7654321

00000000

R/W

ABCS

------

Bit

Bit Name

Initial

Value

R/W

Description

ABCS

R/W

Asynchronous Basic Clock Select

Selects the basic clock for 1-bit period in

asynchronous mode.

Setting of ABCS is valid when the asynchronous

mode bit (C/

A in SCSMR) = 0.

0: Basic clock with a frequency of 16 times the

transfer rate

1: Basic clock with a frequency of 8 times the transfer

rate

6 to 0

—

All 0

R/W

Reserved

These bits are always read as 0. The write value

should always be 0.

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