R8C/1A Group, R8C/1B Group
4. Special Function Registers (SFRs)
Rev.1.30
Dec 08, 2006
Page 23 of 315
REJ09B0252-0130
Table 4.4
SFR Information (4)
(1)
X: Undefined
NOTES:
1.
Blank regions, 0100h to 01B2h and 01B8h to 02FFh are all reserved. Do not access locations in these regions.
2.
The OFS register cannot be changed by a user program. Use a flash programmer to write to it.
Address
Register
Symbol
After reset
00C0h
A/D Register
AD
XXh
00C1h
XXh
00C2h
00C3h
00C4h
00C5h
00C6h
00C7h
00C8h
00C9h
00CAh
00CBh
00CCh
00CDh
00CEh
00CFh
00D0h
00D1h
00D2h
00D3h
00D4h
A/D Control Register 2
ADCON2
00h
00D5h
00D6h
A/D Control Register 0
ADCON0
00000XXXb
00D7h
A/D Control Register 1
ADCON1
00h
00D8h
00D9h
00DAh
00DBh
00DCh
00DDh
00DEh
00DFh
00E0h
00E1h
Port P1 Register
P1
XXh
00E2h
00E3h
Port P1 Direction Register
PD1
00h
00E4h
00E5h
Port P3 Register
P3
XXh
00E6h
00E7h
Port P3 Direction Register
PD3
00h
00E8h
Port P4 Register
P4
XXh
00E9h
00EAh
Port P4 Direction Register
PD4
00h
00EBh
00ECh
00EDh
00EEh
00EFh
00F0h
00F1h
00F2h
00F3h
00F4h
00F5h
00F6h
00F7h
00F8h
Port Mode Register
PMR
00h
00F9h
00FAh
00FBh
00FCh
Pull-Up Control Register 0
PUR0
00XX0000b
00FDh
Pull-Up Control Register 1
PUR1
XXXXXX0Xb
00FEh
Port P1 Drive Capacity Control Register
DRR
00h
00FFh
Timer C Output Control Register
TCOUT
00h
01B3h
Flash Memory Control Register 4
FMR4
01000000b
01B4h
01B5h
Flash Memory Control Register 1
FMR1
1000000Xb
01B6h
01B7h
Flash Memory Control Register 0
FMR0
00000001b
0FFFFh
Optional Function Select Register
OFS
(2)