Renesas M16C User Manual

Rev.1.10    Jul 01, 2005    page 13 of 318
REJ09B0124-0110

M16C/6N Group (M16C/6NK, M16C/6NM)

4. Special Function Register (SFR)

This document is under development and its contents are subject to change.

SFR (Special Function Register) is the control register of peripheral functions.

Tables 4.1 to 4.16 list the SFR information.

0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
000Ah
000Bh
000Ch
000Dh
000Eh
000Fh
0010h
0011h
0012h
0013h
0014h
0015h
0016h
0017h
0018h
0019h
001Ah
001Bh
001Ch
001Dh
001Eh
001Fh
0020h
0021h
0022h
0023h
0024h
0025h
0026h
0027h
0028h
0029h
002Ah
002Bh
002Ch
002Dh
002Eh
002Fh
0030h
0031h
0032h
0033h
0034h
0035h
0036h
0037h
0038h
0039h
003Ah
003Bh
003Ch
003Dh
003Eh
003Fh

Processor Mode Register 0
Processor Mode Register 1
System Clock Control Register 0
System Clock Control Register 1

Address Match Interrupt Enable Register
Protect Register

Oscillation Stop Detection Register 

(1)

Watchdog Timer Start Register
Watchdog Timer Control Register

Address Match Interrupt Register 0

Address Match Interrupt Register 1

PLL Control Register 0

Processor Mode Register 2

DMA0 Source Pointer

DMA0 Destination Pointer

DMA0 Transfer Counter

DMA0 Control Register

DMA1 Source Pointer

DMA1 Destination Pointer

DMA1 Transfer Counter

DMA1 Control Register

PM0
PM1
CM0
CM1

AIER
PRCR

CM2

WDTS
WDC

RMAD0

RMAD1

PLC0

PM2 

SAR0

DAR0

TCR0

DM0CON

SAR1

DAR1

TCR1

DM1CON

X: Undefined

NOTES:

1. The CM20, CM21, and CM27 bits in the CM2 register do not change at oscillation stop detection reset.
2. The blank areas are reserved and cannot be accessed by users.

Address

Register

Symbol

After Reset

00h

00001000b
01001000b
00100000b

XXXXXX00b

XX000000b

0X000000b

XXh

00XXXXXXb

00h
00h

X0h

00h
00h

X0h

0001X010b

XXX00000b

XXh
XXh
XXh

XXh
XXh
XXh

XXh
XXh

00000X00b

XXh
XXh
XXh

XXh
XXh
XXh

XXh
XXh

00000X00b