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AT89S2051 Datasheet(PDF) 6 Page - ATMEL Corporation

Part # AT89S2051
Description  8-bit Microcontroller with 2K/4K Bytes Flash
Download  45 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89S2051 Datasheet(HTML) 6 Page - ATMEL Corporation

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6
3390C–MICRO–7/05
AT89S2051/S4051
Table 7-1.
AT89S2051/S4051 SFR Map and Reset Values
0F8H
0FFH
0F0H
B
00000000
0F7H
0E8H
0EFH
0E0H
ACC
00000000
0E7H
0D8H
0DFH
0D0H
PSW
00000000
0D7H
0C8H
0CFH
0C0H
0C7H
0B8H
IP
X0X00000
SADEN
00000000
0BFH
0B0H
P3
11111111
IPH
X0X00000
0B7H
0A8H
IE
00X00000
SADDR
00000000
0AFH
0A0H
0A7H
98H
SCON
00000000
SBUF
XXXXXXXX
9FH
90H
P1
11111111
ACSR
XXX00000
97H
88H
TCON
00000000
TMOD
00000000
TL0
00000000
TL1
00000000
TH0
00000000
TH1
00000000
CLKREG
XXXXXX0X
8FH
80H
SP
00000111
DPL
00000000
DPH
00000000
PCON
000X0000
87H


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