R32C121 datasheet(19/113 Pages) RENESAS

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REJ03B0237-0050 Rev.0.50 Jul 31, 2008

Page 19 of 111

Under development

Preliminary Specification

This is a preliminary specification and is subject to change.

R32C/121 Group

4. Special Function Registers (SFR)

Special Function Registers (SFR)

SFRs are memory-mapped peripheral registers that control the operation of peripherals. Table 4.1 SFR List

(1) to Table 4.56 SFR List (56) list the SFR details.

Table 4.1

SFR List (1)

Address

Symbol

Reset Value

000000h

000001h

000002h

000003h

000004h Clock Control Register

CCR

18h

000005h

000006h Flash Memory Control Register

FMCR

01h

000007h Protect Release Register

PRR

00h

000008h

000009h

00000Ah

00000Bh

00000Ch

00000Dh

00000Eh

00000Fh

000010h

000011h

000012h

000013h

000014h

000015h

000016h

000017h

000018h

000019h

00001Ah

00001Bh

00001Ch Flash Memory Rewrite Bus Control Register

FEBC

0000h

00001Dh

00001Eh Peripheral Bus Control Register

PBC

0504h

00001Fh

000020h to

00005Fh

X: Undefined

Blanks are reserved. No access is allowed.

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