AT89C51RE2-SLRUM Atmel, AT89C51RE2-SLRUM Datasheet - Page 8

• Manufacturer Part Number: AT89C51RE2-SLRUM
• Description: MCU 8051 128K FLASH 44-PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51RE2-SLRUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 60MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 8 KB
• Interface Type: UART, SPI
• Maximum Clock Frequency: 60 MHz
• Number Of Programmable I/os: 34
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89OCD-01
• For Use With: AT89STK-11 - KIT STARTER FOR AT89C51RX2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Table 3. C51 Core SFRs
Table 4. System Management SFRs
Table 5. Interrupt SFRs
Table 6. Port SFRs
8
PCON
AUXR
AUXR1
CKRL
BMSEL
CKCON0
CKCON1
IEN0
IEN1
IPH0
IPL0
IPH1
IPL1
P0
P1
P2
P3
P4
Mnemonic
Mnemonic
Mnemonic
Mnemonic
PSW
ACC
DPH
DPL
SP
B
AT89C51RE2
Add
Add
Add
Add
E0h
D0h
8Eh
A2h
AFh
A8h
B1h
B7h
B8h
B3h
B2h
A0h
B0h
C0h
F0h
81h
82h
83h
87h
97h
92h
8Fh
80h
90h
Name
Accumulator
B Register
Program Status Word
Stack Pointer
Data Pointer Low byte
Data Pointer High byte
Name
Power Control
Auxiliary Register 0
Auxiliary Register 1
Clock Reload Register
Bank Memory Select
Clock Control Register 0
Clock Control Register 1
Name
Interrupt Enable Control 0
Interrupt Enable Control 1
Interrupt Priority Control High 0
Interrupt Priority Control Low 0
Interrupt Priority Control High 1
Interrupt Priority Control Low 1
Name
8-bit Port 0
8-bit Port 1
8-bit Port 2
8-bit Port 3
8-bit Port 4
SMOD1_0
TWIX2
MBO2
EES
CY
EA
7
7
7
7
-
-
-
-
-
-
-
-
SMOD0_0
WDX2
MBO1
PPCH
PPCL
SP9
AC
EC
6
6
6
6
-
-
-
-
-
-
PCAX2
MBO0
PT2H
PT2L
ET2
M0
F0
U2
5
5
5
5
-
-
-
-
-
-
SIX2_0
XRS2
POF
PSH
RS1
PSL
ES
4
4
4
4
-
-
-
-
-
-
PSH_1
PSL_1
XRS1
PT1H
T2X2
ES_1
PT1L
RS0
GF1
GF2
ET1
3
3
3
3
-
-
-
XRS0
FBS2
PX1H
T1X2
PX1L
SPIH
ESPI
SPIL
GF0
EX1
OV
2
2
2
2
0
-
-
EXTRA
SIX2_1
IE2CH
IE2CL
FBS1
T0X2
ETWI
PT0H
PT0L
ET0
PD
F1
1
1
1
1
M
-
-
7663E–8051–10/08
SPIX2
EKBD
KBDH
FBS0
PX0H
KBDL
PX0L
DPS
EX0
IDL
AO
X2
0
0
0
0
P
-