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ML51/ML54/ML56
Sep. 01, 2020
Page
244
of 719
Rev 2.00
ML
51
/ML
54
/ML
5
6 S
E
RI
E
S
TECHNI
CA
L
RE
F
E
R
E
NC
E
M
A
NU
A
L
ML51/M
L54
/M
L56
Series
Tec
hnical Reference
Manual
A or ACC
– Accumulator (Bit-addressable)
Register
SFR Address
Reset Value
ACC
E0H, All pages, Bit addressable
0000_0000 b
7
6
5
4
3
2
1
0
ACC.7
ACC.6
ACC.5
ACC.4
ACC.3
ACC.2
ACC.1
ACC.0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit
Name
Description
[7:0]
ACC[7:0]
Accumulator
The A or ACC register is the standard 80C51 accumulator for arithmetic operation.