TS80C51RA2-VCB Atmel, TS80C51RA2-VCB Datasheet - Page 3

• Manufacturer Part Number: TS80C51RA2-VCB
• Description: IC MCU 8BIT 256BYTE 40MHZ 44PLCC
• Manufacturer: Atmel
• Series: 80Cr

Specifications of TS80C51RA2-VCB

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/30MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

4. SFR Mapping
The Special Function Registers (SFRs) of the TS80C51Rx2 fall into the following categories:
Rev. C - 06 March, 2001
E8h
E0h
D8h
D0h
C8h
C0h
B8h
B0h
A8h
A0h
F8h
F0h
98h
90h
88h
80h
addressable
C51 core registers: ACC, B, DPH, DPL, PSW, SP, AUXR1
I/O port registers: P0, P1, P2, P3, P4, P5
Timer registers: T2CON, T2MOD, TCON, TH0, TH1, TH2, TMOD, TL0, TL1, TL2, RCAP2L, RCAP2H
Serial I/O port registers: SADDR, SADEN, SBUF, SCON
Power and clock control registers: PCON
HDW Watchdog Timer Reset: WDTRST, WDTPRG
PCA registers: CL, CH, CCAPiL, CCAPiH, CCON, CMOD, CCAPMi
Interrupt system registers: IE, IP, IPH
Others: AUXR, CKCON
reserved
addressable
addressable
00X0 0000
0000 0000
1111 1111
0000 0000
0000 0000
0000 0000
1111 1111
1111 1111
0000 0000
1111 1111
0000 0000
1111 1111
0000 0000
1111 1111
X000 000
T2CON
CCON
P5 bit
P4 bit
TCON
SCON
ACC
PSW
Bit
0/8
0/8
P3
P2
P1
P0
IE
B
IP
XXXX XXXX
XXXX XX00
00XX X000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0111
T2MOD
SADDR
SADEN
CMOD
TMOD
SBUF
CH
1/9
CL
1/9
SP
Table 1. All SFRs with their address and their reset value
XXXX XXXX
XXXX XXXX
XXXX0XX0
X000 0000
0000 0000
0000 0000
0000 0000
CCAPM0
CCAP0H
CCAP0L
RCAP2L
AUXR1
DPL
TL0
2/A
2/A
XXXX XXXX
XXXX XXXX
X000 0000
0000 0000
0000 0000
0000 0000
CCAPM1
CCAP1H
CCAP1L
RCAP2H
DPH
TL1
3/B
3/B
Non Bit addressable
XXXX XXXX
XXXX XXXX
X000 0000
CCAPL2H
CCAPL2L
0000 0000
0000 0000
CCAPM2
TH0
TL2
4/C
4/C
XXXX XXXX
XXXX XXXX
X000 0000
CCAPL3H
CCAPL3L
0000 0000
0000 0000
CCAPM3
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
TH2
TH1
5/D
5/D
TS80C51RA2/RD2
XXXX XXXX
XXXX XXXX
XXXX XXXX
XXXXXX00
X000 0000
CCAPL4H
CCAPL4L
WDTRST
CCAPM4
AUXR
6/E
6/E
XXXX XXX0
XXXX X000
addressable
X000 0000
00X1 0000
1111 1111
WDTPRG
CKCON
P5 byte
PCON
IPH
7/F
7/F
DFh
AFh
FFh
EFh
E7h
D7h
CFh
C7h
BFh
B7h
A7h
F7h
9Fh
97h
8Fh
87h
3