High performance 8-bit 8051 microcontrollers, from:

AT89C51RD2-RLTUM - VQFP44, Memory: 64Kb FL, 2kB RAM
AT89C51RD2-SLSUM - PLCC44, Memory: 64Kb FL, 2kB RAM
AT89C51ED2-RDTUM - VQFP64, Memory: 64Kb FL, 2kB RAM,  2kB EE
AT89C51ED2-RLTUM - VQFP44, Memory: 64Kb FL, 2kB RAM,  2kB EE
AT89C51ED2-SLSUM - PLCC44, Memory: 64Kb FL, 2kB RAM,  2kB EE
AT89C51ED2-SMSUM - PLCC68, Memory: 64Kb FL, 2kB RAM,  2kB EE

All products are RoHS compliant

Datasheet:  [ pdf ]

Features:

* Program/Data Memory:
  - 64kB Flash Memory (programmed in serial mode with ISP capability or in parellel mode)
  - 2kB RAM
  - 2kB EEPROM (AT89C51ED2 only)
  - a default serial loader (bootloader) program allows programming via the serial port
* I/O lines:
  - PLCC44/VQFP44 34
  - PLCC68/VQFP64 50
* Peripheral Features:
  - Three 16-bit Timer/Counters
  - 16-bit Programmable Counter Array (Compare/Capture, PWM, Watchdog Timer Capabilities)
  - Enhanced UART
  - SPI Interface (Master/Slave Mode)
  - 8-bit Clock Prescaler allows optimizing the power consumption and execution time needed
  - Keyboard Interrupt Interface
  - Integrated Power Monitor (POR/PFD) to supervise internal power supply
  - Hardware Watchdog Timer
* Low Power Modes: Idle, Power-Down
* Supply Voltage: 2.7÷5.5V
* Temperature Range: -40÷85°C
* Speed grade::
  - Standard Mode (12 clock periods per machine cycle): 60MHz @ Vcc 4.5÷5.5V
  - X2 Mode (6 clock periods per machine cycle): 30MHz @ Vcc 4.5÷5.5V
* Package options: VQFP44, VQFP64, PLCC44, PLCC68.
 

We recommend, Microcontrollers ATMEL:

MCS51    [ click here ]
AVR       [ click here ]
ARM     [ click here ]

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