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SAB80C515A-5 Datasheet, PDF (11/108 Pages) Siemens Semiconductor Group – 8-Bit CMOS Single-Chip Microcontroller Family
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Memory Organization
Table 3-1
Special Function Register
Address Register
80H
81H
82H
83H
84H
85H
86H
87H
88H
89H
8AH
8BH
8CH
8DH
8EH
8FH
90H
91H
92H
93H
94H
95H
96H
97H
98H
99H
9AH
9BH
9CH
9DH
9EH
9FH
P0 1)
SP
DPL
DPH
(WDTL)
(WDTH)
WDTREL
PCON
TCON 1)
TMOD
TL0
TL1
TH0
TH1
reserved
reserved
P1 1)
XPAGE
reserved
reserved
reserved
reserved
reserved
reserved
SCON 1)
SBUF
reserved
reserved
reserved
reserved
reserved
reserved
Contents
after Reset
FFH
07H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
XXH 2)
XXH 2)
FFH
00H
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
00H
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
Address Register
A0H
A1H
A2H
A3H
A4H
A5H
A6H
A7H
A8H
A9H
AAH
ABH
ACH
ADH
AEH
AFH
B0H
B1H
B2H
B3H
B4H
B5H
B6H
B7H
B8H
B9H
BAH
BBH
BCH
BDH
BEH
BFH
P2 1)
reserved
reserved
reserved
reserved
reserved
reserved
reserved
IEN0 1)
IP0
SRELL
reserved
reserved
reserved
reserved
reserved
P3 1)
SYSCON
reserved
reserved
reserved
reserved
reserved
reserved
IEN1 1)
IP1
SRELH
reserved
reserved
reserved
reserved
reserved
1) Bit-addressable Special Function Register
2) X means that the value is indeterminate and the location is reserved
Contents
after Reset
FFH
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
00H
00H
0D9H
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
FFH
XXXXXX01B2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
00H
XX000000B2)
XXXXXX11B2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
XXH 2)
Semiconductor Group
3-4
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