Chapter 4. Special Function Registers (Sfr) - Renesas M16C Series Hardware Manual

R8C/11 Group
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 SFR Information(1)
Address
0 0 0 0
1 6
0 0 0 1
1 6
0 0 0 2
1 6
0 0 0 3
1 6
P r o c e s s o r m o d e r e g i s t e r 0
0 0 0 4
1 6
P r o c e s s o r m o d e r e g i s t e r 1
0 0 0 5
1 6
0 0 0 6 S y s t e m c l o c k c o n t r o l r e g i s t e r 0
1 6
0 0 0 7 S y s t e m c l o c k c o n t r o l r e g i s t e r 1
1 6
H i g h - s p e e d o n - c h i p o s c i l l a t o r c o n t r o l r e g i s t e r 0
0 0 0 8
1 6
A d d r e s s m a t c h i n t e r r u p t e n a b l e r e g i s t e r
0 0 0 9
1 6
0 0 0 A P r o t e c t r e g i s t e r
1 6
0 0 0 B H i g h - s p e e d o n - c h i p o s c i l l a t o r c o n t r o l r e g i s t e r 1
1 6
O s c i l l a t i o n s t o p d e t e c t i o n r e g i s t e r
0 0 0 C
1 6
W a t c h d o g t i m e r r e s e t r e g i s t e r
0 0 0 D
1 6
0 0 0 E Watchdog timer start register
1 6
0 0 0 F W a t c h d o g t i m e r c o n t r o l r e g i s t e r
1 6
0 0 1 0
Address match interrupt register 0
1 6
0 0 1 1
1 6
0 0 1 2
1 6
0 0 1 3
1 6
0 0 1 4 A d d r e s s m a t c h i n t e r r u p t r e g i s t e r 1
1 6
0 0 1 5
1 6
0 0 1 6
1 6
0 0 1 7
1 6
0 0 1 8
1 6
0 0 1 9 Voltage detection register 1
1 6
0 0 1 A
1 6 V o l t a g e d e t e c t i o n r e g i s t e r 2
0 0 1 B
1 6
0 0 1 C
1 6
0 0 1 D
1 6
0 0 1 E INT0 input filter select register
1 6
0 0 1 F
Voltage detection interrupt register
1 6
0020
16
0021
16
0022
16
0023
16
0024
16
0025
16
0026
16
0027
16
0028
16
0029
16
002A
16
002B
16
002C
16
002D
16
002E
16
002F
16
0030
16
0031
16
0032
16
0033
16
0034
16
0035
16
0036
16
0037
16
0038
16
0039
16
003A
16
003B
16
003C
16
003D
16
003E
16
003F
16
X : U n d e f i n e d
N O T E S :
1 . B l a n k s p a c e s a r e r e s e r v e d . N o a c c e s s i s a l l o w e d .
2 . S o f t w a r e r e s e t o r t h e w a t c h d o g t i m e r r e s e t d o e s n o t a f f e c t t h i s r e g i s t e r .
3 . O w i n g t o R e s e t i n p u t .
4 . I n t h e c a s e o f R E S E T p i n = H r e t a i n i n g .
Rev.1.20 Jan 27, 2006
REJ09B0062-0120
(1)
R e g i s t e r
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page 10 of 204
4. Special Function Register (SFR)
Symbol After reset
P M 0 0 0
1 6
P M 1 0 0
1 6
C M 0 0 1 1 0 1 0 0 0
2
C M 1 0 0 1 0 0 0 0 0
2
H R 0 0 0
1 6
A I E R X X X X X X 0 0
2
P R C R 0 0 X X X 0 0 0
2
H R 1 4 0
1 6
O C D 0 0 0 0 0 1 0 0
2
W D T R X X
1 6
WDTS XX
16
W D C 0 0 0 1 1 1 1 1
2
RMAD0 00
16
00
16
X0
16
R M A D 1 0 0
1 6
0 0
1 6
X 0
1 6
VCR1 00001000
2
(3)
V C R 2 0 0
1 6
(4)
1 0 0 0 0 0 0 0
2
INT0F XXXXX000
2
(3)
D4INT 00
16
(4)
01000001
2