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Application:
Interface control between controllers and sensors;
Motor drive control;
LED matrix display control;
Digital keyboard input control;
Communication control;
Remote control;
Smart home control;
Video game console control, etc.
Conclusion:
AT89C51RD2-UM is a high-performance microcontroller with multiple peripheral interfaces and functions;
It can be flexibly applied to various control fields;
Having good real-time performance and reliability;
Easy software and hardware expansion.
Parameters:
Main frequency: 8051 core, with a maximum main frequency of 33MHz;
Memory: 64KB Flash, 2KB RAM, 256B EEPROM;
Peripheral interfaces: UART, SPI, I ² C. ADC, DAC, PWM, etc;
Working voltage: 4V~5.5V;
Low power mode: supports multiple low power modes;
Packaging: 40 pin DIP, 44 pin QFP, 44 pin PLCC, etc.