
4. Special Function Registers (SFRs)
Table 4.19
SFR Address Map (19)
X: Undefined
Blank spaces are all reserved. No access is allowed.
NOTES:
1.
Can not be used in 100 pin package.
2.
Set to FFh in 100 pin package.
3.
Set to 00h in 100 pin package.
Address
Register
Address
Register
03B0h
Function Select Register A0
PS0
00h
03B1h
Function Select Register A1
PS1
00h
03B2h
Function Select Register B0
PSL0
00h
03B3h
Function Select Register B1
PSL1
00h
03B4h
Function Select Register A2
PS2
00X0 0000b
03B5h
Function Select Register A3
PS3
00h
03B6h
Function Select Register B2
PSL2
00X0 0000b
03B7h
Function Select Register B3
PSL3
00h
03B8h
03B9h
Function Select Register
A5(1)PS5
XXX0 0000b
03BAh
03BBh
Function Select Register B
5(1)PSL5
XXX0 0000b
03BCh
03BDh
03BEh
03BFh
03C0h
Port P6 Register
P6
XXh
03C1h
Port P7 Register
P7
XXh
03C2h
Port P6 Direction Register
PD6
00h
03C3h
Port P7 Direction Register
PD7
00h
03C4h
Port P8 Register
P8
XXh
03C5h
Port P9 Register
P9
XXh
03C6h
Port P8 Direction Register
PD8
00X0 0000b
03C7h
Port P9 Direction Register
PD9
00h
03C8h
Port P10 Register
P10
XXh
03C9h
Port P11 Register
P11
XXh
03CAh
Port P10 Direction Register
PD10
00h
03CBh
Port P11 Direction Register
PD11
03CCh
Port P12 Register
P12
XXh
03CDh
Port P13 Register
P13
XXh
03CEh
Port P12 Direction Register
PD12
03CFh
Port P13 Direction Register
PD13
03D0h
Port P14 Register
P14
XXh
03D1h
Port P15 Register
P15
XXh
03D2h
Port P14 Direction Register
PD14
03D3h
Port P15 Direction Register
PD15
03D4h
03D5h
03D6h
03D7h
03D8h
03D9h
03DAh
Pull-Up Control Register 2
PUR2
00h
03DBh
Pull-Up Control Register 3
PUR3
00h
03DCh
Pull-Up Control Register 4
PUR4
03DDh
03DEh
03DFh