AT89C51RE2-SLSUM Atmel, AT89C51RE2-SLSUM Datasheet - Page 7
![MCU 8BIT FLASH 2.7-5.5V 44-PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
AT89C51RE2-SLSUM
Manufacturer Part Number
AT89C51RE2-SLSUM
Description
MCU 8BIT FLASH 2.7-5.5V 44-PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51RE2-SLSUM.pdf
(187 pages)
Specifications of AT89C51RE2-SLSUM
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
Package
44PLCC
Device Core
8051
Family Name
89C
Maximum Speed
40 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
34
Interface Type
SPI/TWI/UART
Number Of Timers
3
Processor Series
AT89x
Core
8051
Data Ram Size
8 KB
Maximum Clock Frequency
40 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89OCD-01
Minimum Operating Temperature
- 40 C
Cpu Family
89C
Device Core Size
8b
Frequency (max)
40MHz
Total Internal Ram Size
8KB
# I/os (max)
34
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
44
Package Type
PLCC
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51RE2-SLSUM
Manufacturer:
HONEYWELL
Quantity:
101
SFR Mapping
7663E–8051–10/08
The Special Function Registers (SFRs) of the AT89C51RE2 fall into the following categories:
•
•
•
•
•
•
•
•
•
•
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•
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C51 core registers: ACC, B, DPH, DPL, PSW, SP
I/O port registers: P0, P1, P2, P3, P4, P5, P6
Timer registers: T2CON, T2MOD, TCON, TH0, TH1, TH2, TMOD, TL0, TL1, TL2, RCAP2L,
RCAP2H
Serial I/O port registers: SADDR_0, SADEN_0, SBUF_0, SCON_0, SADDR_1, SADEN_1,
SBUF_1, SCON_1,
PCA (Programmable Counter Array) registers: CCON, CCAPMx, CL, CH, CCAPxH,
CCAPxL (x: 0 to 4)
Power and clock control registers: PCON, CKAL, CKCON0_1
Hardware Watchdog Timer registers: WDTRST, WDTPRG
Interrupt system registers: IE0, IPL0, IPH0, IE1, IPL1, IPH1
Keyboard Interface registers: KBE, KBF, KBLS
2-wire Interface registers: SSCON, SSCS, SSDAT, SSADR
SPI registers: SPCON, SPSTR, SPDAT
BRG (Baud Rate Generator) registers: BRL_0, BRL_1, BDRCON_0, BDRCON_1
Memory register: FCON, FSTA
Clock Prescaler register: CKRL
Others: AUXR, AUXR1, CKCON0, CKCON1, BMSEL
AT89C51RE2
7