AT89C2051-12SC

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Atmel’s AT89C2051-12SC is a low-cost, low-power 8-bit microcontroller, designed for applications with limited memory and resources. The AT89C2051-12SC is based on the 8051 architecture and is developed to simplify a wide range of low-end embedded control applications. It is capable of reading external data sources, processing and driving LED lights, LCD displays and other outputs. AT89C2051-12SC is ideal for small, low-power embedded control applications such as toys, household appliances, medical, security and home automation.

The AT89C2051-12SC features a versatile set of features, including single clock operations, three independent clocks, a powerful 8051 core, 128-byte direct RAM I/O, and 8K program Flash memory. It is also capable of providing 4-bit to 8-bit digital I/O, two 8-bit Timers, serial ports, and other user-programmable features. Additionally, the AT89C2051-12SC also has several built-in analog blocks such as a 12-bit analog to digital converter (ADC), and one Pulse Width Modulator (PWM).

The primary benefit of the AT89C2051-12SC is its ease of use and its ability to meet the needs of cost-sensitive embedded applications. It is cost-effective and has an array of features that can make it suitable for a wide range of embedded applications. Additionally, AT89C2051-12SC’s advanced flash programming functions make it easier to change and upgrade application code. This makes it easy to add new features, making the design more convenient to users.

The AT89C2051-12SC operates at a maximum frequency of 48MHz and has a built-in 128 byte I/O direct RAM. This RAM contains an array of I/O registers, a user-defined 8-byte register bank, a program counter, and a few other RAM locations. The built-in serial communications is another key feature included in the AT89C2051-12SC. This feature allows data to be moved from one device or processor to another device without the need for direct memory. The AT89C2051-12SC also has Watchdog Timer (WDT) for resetting the device in the event of problems.Furthermore, the AT89C2051-12SC can use internal EEPROM for data storage.

In addition to the built-in Flash programming feature, the AT89C2051-12SC also contains an advanced set of analog functions. This includes a multi-channel analog-to-digital converter (ADC), an 8-bit pulse width modulators (PWM), and other analog functions. All these features taken together make the AT89C2051-12SC a versatile low-power 8051 microcontroller suitable for a wide range of low-cost embedded applications.

The AT89C2051-12SC works on the Harvard architecture, which means it has separate address and data buses and separate program and data memory space. This architecture allows the processor to execute instructions faster as the memory is only accessed when needed, reducing the chances of memory collisions. In addition, memory access is faster as the program and data memories are accessed in parallel. This makes the AT89C2051-12SC faster than other 8-bit processors.

To conclude, the AT89C2051-12SC is an advanced 8-bit microcontroller that is suitable for cost-sensitive low-power embedded applications. Its built-in 128 byte RAM, advanced flash programming capabilities and adaptive clock are some of the features that make it a great choice for low-cost and low-power embedded applications. Furthermore, the Harvard architecture and built-in analog functions make the AT89C2051-12SC suitable for a wide range of applications. With features like these, the AT89C2051-12SC is an obvious choice for embedded designers.

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