Special Function Register (Sfr) - Renesas M16C FAMILY series Hardware Manual

M 1 6 C 2 / 8 G o r u p ( M 1 6 C

4. Special Function Register (SFR)

SFR (Special Function Register) is the control register of peripheral functions. Tables 4.1 to 4.7 list the SFR
information.
Table 4.1 SFR Information(1)
Address
0000
16
0001
16
0002
16
0003
16
Processor mode register 0
0004
16
0005 Processor mode register 1
16
0006 System clock control register 0
16
System clock control register 1
0007
16
0008
16
Address match interrupt enable register
0009
16
Protect register
000A
16
000B
16
000C Oscillation stop detection register
16
000D
16
Watchdog timer start register
000E
16
Watchdog timer control register
000F
16
Address match interrupt register 0
0010
16
0011
16
0012
16
0013
16
Address match interrupt register 1
0014
16
0015
16
0016
16
0017
16
0018
16
0019 Voltage detection register 1
16
Voltage detection register 2
001A
16
001B
16
PLL control register 0
001C
16
001D
16
Processor mode register 2
001E
16
001F Low voltage detection interrupt register
16
0020
DMA0 source pointer
16
0021
16
0022
16
0023
16
0024
16 DMA0 destination pointer
0025
16
0026
16
0027
16
0028
DMA0 transfer counter
16
0029
16
002A
16
002B
16
002C
16 DMA0 control register
002D
16
002E
16
002F
16
0030
16 DMA1 source pointer
0031
16
0032
16
0033
16
0034
DMA1 destination pointer
16
0035
16
0036
16
0037
16
0038
16 DMA1 transfer counter
0039
16
003A
16
003B
16
003C
DMA1 control register
16
003D
16
003E
16
003F
16
NOTES:
1.The blank spaces are reserved. No access is allowed.
2. The CM20, CM21, and CM27 bits do not change at oscillation stop detection reset.
3. This register does not change at software reset, watchdog timer reset and oscillation stop detection reset.
X : Indeterminate
R e . v 2 0 . 0 J a . n 3 , 1 2 0 0 7
R E J 0 9 B 0 0 4 7 0 - 2 0 0
2 / , 8 M 1 6 C 2 / 8 ) B
(1)
Register
(2)
(3)
(3)
page 25
f o 3 8 5
4. Special Function Register (SFR)
Symbol After Reset
PM0 00
16
PM1 00001000
2
CM0 01001000
2
CM1 00100000
2
AIER XXXXXX00
2
PRCR XX000000
2
CM2 0X000010
2
WDTS XX
16
WDC 00XXXXXX
2
RMAD0 00
16
00
16
X0
16
RMAD1 00
16
00
16
X0
16
VCR1 00001000
2
VCR2 00
16
PLC0 0001X010
2
PM2 XXX00000
2
D4INT 00
16
SAR0 XX
16
XX
16
XX
16
DAR0 XX
16
XX
16
XX
16
TCR0 XX
16
XX
16
DM0CON 00000X00
2
SAR1 XX
16
XX
16
XX
16
DAR1 XX
16
XX
16
XX
16
TCR1 XX
16
XX
16
DM1CON 00000X00
2