C8051F321-GMR Datasheet, PDF (86/250 Pages) Silicon Laboratories – Full Speed USB, 16 k ISP FLASH MCU Family

C8051F320/1
SFR Definition 9.5. ACC: Accumulator
R/W
ACC.7
Bit7
R/W
ACC.6
Bit6
R/W
ACC.5
Bit5
R/W
ACC.4
Bit4
R/W
ACC.3
Bit3
R/W
ACC.2
Bit2
R/W
R/W
Reset Value
ACC.1 ACC.0 00000000
Bit1
Bit0 SFR Address:
(bit addressable) 0xE0
Bits7–0: ACC: Accumulator.
This register is the accumulator for arithmetic operations.
SFR Definition 9.6. B: B Register
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
B.7
B.6
B.5
B.4
B.3
B.2
B.1
B.0 00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0 SFR Address:
(bit addressable) 0xF0
Bits7–0: B: B Register.
This register serves as a second accumulator for certain arithmetic operations.
86
Rev. 1.4