AT89C51CC03U-S3SIM ATMEL [ATMEL Corporation], AT89C51CC03U-S3SIM Datasheet - Page 12

• Manufacturer Part Number: AT89C51CC03U-S3SIM
• Description: Enhanced 8-bit MCU with CAN Controller and Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

SFR Mapping
12
Mnemonic
ACC
B
PSW
SP
DPL
DPH
Mnemonic
P0
P1
P2
P3
P4
Mnemonic
TH0
TL0
TH1
TL1
TH2
TL2
TCON
TMOD
AT89C51CC03
Add Name
Add Name
Add Name
CDh
CCh
D0h Program Status Word
C0h Port 4 (x5)
8Ch
8Dh
E0h Accumulator
F0h B Register
81h Stack Pointer
82h
83h
80h Port 0
90h Port 1
A0h Port 2
B0h Port 3
8Ah
8Bh
88h
89h
Data Pointer Low
byte
LSB of DPTR
Data Pointer High
byte
MSB of DPTR
Timer/Counter 0 High
byte
Timer/Counter 0 Low
byte
Timer/Counter 1 High
byte
Timer/Counter 1 Low
byte
Timer/Counter 2 High
byte
Timer/Counter 2 Low
byte
Timer/Counter 0 and
1 control
Timer/Counter 0 and
1 Modes
The Special Function Registers (SFRs) of the AT89C51CC03 fall into the following
categories:
GATE1
TF1
CY
7
7
7
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
C/T1#
TR1
AC
6
6
6
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
TF0
M11
F0
5
5
5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
P4.4 /
MOSI
RS1
M01
TR0
4
4
4
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
GATE0
P4.3 /
SCK
RS0
IE1
3
3
3
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
C/T0#
P4.2 /
MISO
OV
IT1
2
2
2
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
4182I–CAN–06/05
RxDC
P4.1 /
M10
IE0
F1
1
1
1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
P4.0 /
TxDC
M00
IT0
0
0
0
P
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–