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AT89C51ID2-RDTIM Datasheet(PDF) 5 Page - ATMEL Corporation

Part # AT89C51ID2-RDTIM
Description  8-bit Flash Microcontroller
PDF  159 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C51ID2-RDTIM Datasheet(HTML) 5 Page - ATMEL Corporation

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AT89C51ID2
4289A–8051–09/03
Table 2. C51 Core SFRs
Mnemonic
Add
Name
76543210
ACC
E0h
Accumulator
B
F0h
B Register
PSW
D0h
Program Status Word
CY
AC
F0
RS1
RS0
OV
F1
P
SP
81h
Stack Pointer
DPL
82h
Data Pointer Low byte
DPH
83h
Data Pointer High byte
Table 3. System Management SFRs
Mnemonic
Add
Name
76543210
PCON
87h
Power Control
SMOD1
SMOD0
-
POF
GF1
GF0
PD
IDL
AUXR
8Eh
Auxiliary Register 0
-
-
M0
XRS2
XRS1
XRS0
EXTRA
M
AO
AUXR1
A2h
Auxiliary Register 1
-
-
ENBOO
T
-GF3
0
-
DPS
CKRL
97h
Clock Reload Register
--------
CKSEL
85h
Clock Selection Register
-------
CKS
OSCON
86h
Oscillator Control Register
-----
SCLKT0
OscBEn
OscAEn
Table 4. Interrupt SFRs
Mnemonic
Add
Name
76543210
IEN0
A8h
Interrupt Enable Control 0
EA
EC
ET2
ES
ET1
EX1
ET0
EX0
IEN1
B1h
Interrupt Enable Control 1
-----
ESPI
EI2C
EKBD
IPH0
B7h
Interrupt Priority Control High 0
-
PPCH
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
IPL0
B8h
Interrupt Priority Control Low 0
-
PPCL
PT2L
PSL
PT1L
PX1L
PT0L
PX0L
IPH1
B3h
Interrupt Priority Control High 1
-----
SPIH
IE2CH
KBDH
IPL1
B2h
Interrupt Priority Control Low 1
-----
SPIL
IE2CL
KBDL



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