T89C51CC02 Atmel, T89C51CC02 Datasheet - Page 9

• Manufacturer Part Number: T89C51CC02
• Description: 8-Bit MCU
• Manufacturer: Atmel

5. SFR Mapping
The Special Function Registers (SFRs) of the T89C51CC02 fall into the following categories:
Rev.A - May 17, 2001
Mnemonic Add
ACC
B
PSW
SP
DPL
DPH
Mnemonic Add
P1
P2
P3
P4
Mnemonic Add
TH0
TL0
TH1
TL1
TH2
TL2
TCON
TMOD
T2CON
T2MOD
RCAP2H
RCAP2L
WDTRST
WDTPRG
Mnemonic Add
SCON
SBUF
SADEN
SADDR
CDh Timer/Counter 2 High byte
CAh
D0h Program Status Word
A0h Port 2 (x2)
8Ah Timer/Counter 0 Low byte
8Dh Timer/Counter 1 High byte
CCh Timer/Counter 2 Low byte
CBh
A6h WatchDog Timer Reset
A7h WatchDog Timer Program
A9h Slave Address
E0h Accumulator
F0h B Register
B0h Port 3
C0h Port 4 (x2)
8Ch Timer/Counter 0 High byte
8Bh Timer/Counter 1 Low byte
C8h Timer/Counter 2 control
C9h Timer/Counter 2 Mode
B9h Slave Address Mask
81h
82h
83h
90h Port 1
88h Timer/Counter 0 and 1 control
89h Timer/Counter 0 and 1 Modes
98h Serial Control
99h Serial Data Buffer
Stack Pointer
LSB of SPX
Data Pointer Low byte
LSB of DPTR
Data Pointer High byte
MSB of DPTR
Timer/Counter 2 Reload/Capture
High byte
Timer/Counter 2 Reload/Capture
Low byte
Name
Name
Name
Name
Table 6. Serial I/O Port SFRs
Table 3. C51 Core SFRs
Table 4. I/O Port SFRs
Preliminary
Table 5. Timers SFRs
FE/SM0
GATE1
TF1
TF2
7
7
7
7
-
-
C/T1#
EXF2
SM1
TR1
6
6
6
6
-
-
RCLK
M11
SM2
TF0
5
5
5
5
-
-
TCLK
REN
M01
TR0
4
4
4
4
-
-
T89C51CC02
GATE0
EXEN2
TB8
IE1
3
3
3
3
-
-
C/T0#
TR2
RB8
IT1
S2
2
2
2
2
-
C/T2#
T2OE
M10
IE0
S1
TI
1
1
1
1
CP/RL2#
DCEN
M00
IT0
S0
RI
0
0
0
0
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