Copy Microcontroller AT89C51RE2 Binary from its flash and eeprom memory, then replicate the program and data to other blank MCU AT89C51RE2 for the same functions;
· 80C52 Compatible
– 8051 Instruction Compatible
– Four 8-bit I/O Ports (44 Pins Version)
– Three 16-bit Timer/Counters
– 256 bytes Scratch Pad RAM
– 11 Interrupt Sources With 4 Priority Levels if Copy Microcontroller
ISP (In-System Programming) Using Standard VCC Power Supply
Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply
Boot ROM Contains Serial Loader for In-System Programming
High-speed Architecture after Copy Microcontroller
– 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)
128K bytes On-chip Flash Program/Data Memory
– 128 bytes Page Write with auto-erase when Copy Microcontroller
– 100k Write Cycles
On-chip 8192 bytes Expanded RAM (XRAM)
– Software Selectable Size (0, 256, 512, 768, 1024, 1792, 2048, 4096, 8192 bytes)
Extended stack pointer to 512 bytes
Variable Length MOVX for Slow RAM/Peripherals
Improved X2 Mode with Independant Selection for CPU and Each Peripheral
Keyboard Interrupt Interface on Port 1
SPI Interface (Master/Slave Mode) after Copy Microcontroller
8-bit Clock Prescaler
Programmable Counter Array with:
– High Speed Output
– Compare/Capture
– Watchdog Timer Capabilities
Asynchronous Port Reset
Two 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
Power Supply: 2.7V to 5.5V when Copy Microcontroller
Temperature Ranges: Industrial (-40 to +85°C)
Packages: PLCC44, VQFP44