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Unlock Microcontroller IC C51 ATmel AT89C51RD2

We can Unlock Microcontroller IC C51 ATmel AT89C51RD2, please view below chip features for your reference:

Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply

ISP (In-System Programming) Using Standard VCC Power Supply

2048 Bytes Boot ROM Contains Low Level Flash Programming Routines and a Default

Serial Loader

High-speed Architecture

– In Standard Mode:

· 40 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)

· 60 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)

– In X2 mode (6 Clocks/machine cycle)

· 20 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)

· 30 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)

64K Bytes On-chip Flash Program/Data Memory

– Byte and Page (128 Bytes) Erase and Write

– 100k Write Cycles

On-chip 1792 bytes Expanded RAM (XRAM)

– Software Selectable Size (0, 256, 512, 768, 1024, 1792 Bytes)

– 768 Bytes Selected at Reset for T89C51RD2 Compatibility

On-chip 2048 Bytes EEPROM Block for Data Storage (AT89C51ED2 Only)

100K Write Cycles

Dual Data Pointer

Variable Length MOVX for Slow RAM/Peripherals

Improved X2 Mode with Independent Selection for CPU and Each Peripheral

Keyboard Interrupt Interface on Port 1

SPI Interface (Master/Slave Mode)

8-bit Clock Prescaler

16-bit Programmable Counter Array

– High Speed Output

– Compare/Capture

– Pulse Width Modulator

– Watchdog Timer Capabilities

Asynchronous Port Reset

Full-duplex Enhanced UART with Dedicated Internal Baud Rate Generator

Low EMI (Inhibit ALE)

Hardware Watchdog Timer (One-time Enabled with Reset-Out), Power-off Flag

Power Control Modes: Idle Mode, Power-down Mode

Single Range Power Supply: 2.7V to 5.5V

Industrial Temperature Range (-40 to +85°C)

Packages: PLCC44, VQFP44, PLCC68, VQFP64