Sfr Definition 11.10. Acc: Accumulator; Sfr Definition 11.11. B: B Register - Silicon Laboratories C8051F12 Series Manual

C8051F120/1/2/3/4/5/6/7 C8051F130/1/2/3

SFR Definition 11.10. ACC: Accumulator

R/W R/W
ACC.7 ACC.6 ACC.5
Bit7 Bit6
Bits7–0: ACC: Accumulator.
This register is the accumulator for arithmetic operations.
R/W R/W
B.7 B.6
Bit7 Bit6
Bits7–0: B: B Register.
This register serves as a second accumulator for certain arithmetic operations.
R/W R/W R/W
ACC.4 ACC.3
Bit5 Bit4 Bit3

SFR Definition 11.11. B: B Register

R/W R/W R/W
B.5 B.4 B.3
Bit5 Bit4 Bit3
Rev. 1.4
R/W R/W R/W
ACC.2 ACC.1 ACC.0
Bit2 Bit1 Bit0
SFR Address:
SFR Page:
R/W R/W R/W
B.2 B.1 B.0
Bit2 Bit1 Bit0
SFR Address:
SFR Page:
Reset Value
00000000
Bit
Addressable
0xE0
All Pages
Reset Value
00000000
Bit
Addressable
0xF0
All Pages
153