
48
AT85C51SND3Bx
7632A–MP3–03/06
Notes: 1. SFR registers with least significant nibble address equal to 0 or 8 are bit-addressable.
2. SVERS reset value depends on the silicon version 1111 1011 for AT85C51SND3B product.
Table 62. SFR Page 3: Addresses and Reset Values
0/8 1/9 2/A 3/B 4/C 5/D 6/E 7/F
F8h
SCHGPR3
0000
0000
SCHGPR2
0000
0000
SCHGPR1
0000
0000
SCHGPR0
0000
0000
FFh
F0h
B
(1)
0000 0000
F7h
E8h
EFh
E0h
ACC
(1)
0000 0000
E7h
D8h
DFh
D0h
PSW
(1)
0000 0000
D7h
C8h
CFh
C0h
PPCON
(1)
0000 0001
C7h
B8h
BFh
B0h
P3
(1)
1111 1111
B7h
A8h
AFh
A0h
P2
(1)
1111 1111
A7h
98h
9Fh
90h
P1
(1)
1111 1111
SVERS
(2)
XXXX XXXX
97h
88h
8Fh
80h
P0
(1)
1111 1111
SP
0000
0111
DPL
0000
0000
DPH
0000
0000
87h
0/8 1/9 2/A 3/B 4/C 5/D 6/E 7/F
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