Rev.2.00

Jan 30, 2006

Page 15 of 37

REJ03B0102-0200

R8C/14 Group, R8C/15 Group

4. Special Function Register (SFR)

4.

Special Function Register (SFR)

SFR (Special Function Register) is the control register of peripheral functions. Tables 4.1 to 4.4 list the SFR

information.

Table 4.1

X: Undefined

NOTES:

1.

Blank spaces are reserved. No access is allowed.

2.

Software reset, the watchdog timer reset or the voltage monitor 2 reset does not affect this register.

3.

Owing to Hardware reset.

4.

Owing to Power-on reset or the voltage monitor 1 reset.

5.

Software reset, the watchdog timer reset or the voltage monitor 2 reset does not affect the b2 and b3.

Address

Register

Symbol

After reset

0000h

0001h

0002h

0003h

0004h

Processor Mode Register 0

PM0

00h

0005h

Processor Mode Register 1

PM1

00h

0006h

System Clock Control Register 0

CM0

01101000b

0007h

System Clock Control Register 1

CM1

00100000b

0008h

0009h

Address Match Interrupt Enable Register

AIER

00h

000Ah

Protect Register

PRCR

00h

000Bh

000Ch

Oscillation Stop Detection Register

OCD

00000100b

000Dh

Watchdog Timer Reset Register

WDTR

XXh

000Eh

Watchdog Timer Start Register

WDTS

XXh

000Fh

Watchdog Timer Control Register

WDC

00011111b

0010h

Address Match Interrupt Register 0

RMAD0

00h

0011h

00h

0012h

X0h

0013h

0014h

Address Match Interrupt Register 1

RMAD1

00h

0015h

00h

0016h

X0h

0017h

0018h

0019h

001Ah

001Bh

001Ch

Count Source Protection Mode Register

CSPR

00h

001Dh

001Eh

INT0 Input Filter Select Register

INT0F

00h

001Fh

0020h

High-Speed On-Chip Oscillator Control Register 0

HRA0

00h

0021h

High-Speed On-Chip Oscillator Control Register 1

HRA1

When shipping

0022h

High-Speed On-Chip Oscillator Control Register 2

HRA2

00h

0023h

002Ah

002Bh

002Ch

002Dh

002Eh

002Fh

0030h

0031h

VCA1

00001000b

0032h

VCA2

0033h

0034h

0035h

0036h

VW1C

0037h

VW2C

00h

0038h

0039h

003Ah

003Bh

003Ch

003Dh

003Eh

003Fh