R8C/13 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
(1)
Table 4.1 SFR Information(1)
Address
Register
Symbol
After reset
000016
000116
000216
000316
000416
000516
000616
000716
000816
000916
000A16
000B16
000C16
000D16
000E16
000F16
001016
001116
001216
001316
001416
001516
001616
001716
001816
001916
001A16
Processor mode register 0(1)
Processor mode register 1
System clock control register 0
System clock control register 1
High-speed on-chip oscillator control register 0
Address match interrupt enable register
PM0
PM1
CM0
CM1
HR0
AIER
PRCR
HR1
OCD
0016
0016
01101000
00100000
0016
XXXXXX00
00XXX000
4016
00000100
XX16
XX16
00011111
0016
0016
X016
2
2
2
Protect register
2
High-speed on-chip oscillator control register 1
Oscillation stop detection register
Watchdog timer reset register
Watchdog timer start register
Watchdog timer control register
Address match interrupt register 0
2
WDTR
WDTS
WDC
2
RMAD0
Address match interrupt register 1
RMAD1
0016
0016
X016
Voltage detection register 1(2)
Voltage detection register 2(2)
VCR1
VCR2
00001000
0016(3)
2
100000002(4)
001B16
001C16
001D16
001E16
001F16
INT0 input filter select register
INT0F
D4INT
XXXXX000
2
Voltage detection interrupt register(2)
0016(3)
010000012(4)
002016
002116
002216
002316
002416
002516
002616
002716
002816
002916
002A16
002B16
002C16
002D16
002E16
002F16
003016
003116
003216
003316
003416
003516
003616
003716
003816
003916
003A16
003B16
003C16
003D16
003E16
003F16
X : Undefined
NOTES:
1. Blank spaces are reserved. No access is allowed.
2. Software reset or the watchdog timer reset does not affect this register.
3. Owing to Reset input.
4. In the case of RESET pin = H retaining.
Rev.1.20 Jan 27, 2006 page 10 of 205
REJ09B0111-0120
RENESAS [ RENESAS TECHNOLOGY CORP ]
