AT89C51ED2-RLRUM

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AT89C51ED2-RLRUM application field and working principle

AT89C51ED2-RLRUM is a low-power, high-performance CMOS 8-bit microcomputer with 8K bytes of Flash programmable memory. It is composed of an 8-bit CPU, 32 8-bit data registers and a wide range of peripherals. It is widely used in embedded systems, especially in industrial control.

Application Fields

AT89C51ED2-RLRUM is suitable for application fields with higher performance requirements and has extremely wide application fields. It can be seen in any embedded system, particularly in industrial control. It is mainly used for Processes and controlling. Some applications include home appliances, industrial automation, security system and automation, medical equipment and industrial equipment, etc.

Working Principle

AT89C51ED2-RLRUM MCU integrates 8KB on-chip Flash memory, controller unit (CPU), 32 I/O ports, 2 16-bit timers and clock circuit. It is composed of a central control unit (CPU) and peripheral devices. CPU controls all operations in the device and runs programs. The peripheral devices provide necessary I/O functions for CPU and receive/transmit information from/to high level external components. Its on-chip Flash memory can store programs for internal operation and instruction is directly executed at the time of running.

AT89C51ED2-RLRUM is programmed by In-System Programming (ISP) which allows user to directly program the on-chip Flash. USB-TO-UART interface allows users to connect the device to the PC for obtaining and updating data. The CPU can be clocked from a variety of sources such as low-frequency crystals, watch dog timer and programmable timers.

Advantages

AT89C51ED2-RLRUM eliminate the cost of additional external memory chips and memory modules, reduce power consumption and cost, increase portability. It also has wide power supply, strong instruction set, long-term support and security. Thus, it is widely used in embedded systems and is an ideal choice for designers.

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