DS80C390-QCR

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Embedded systems are becoming increasingly important in our daily lives. The DS80C390-QCR is an 8-bit microcontroller based upon the popular Dallas Semiconductor 80C-family architecture. This microcontroller is typically used in commercial, industrial and automotive applications and is an excellent fit for embedded designs. The DS80C390-QCR provides a wide range of features, such as programmable I/O, serial communications, counter/timers and a flexible interrupt structure. In addition, the DS80C390-QCR features enhanced design features that include Flash memory, EEPROM, and a powerful internal bus. The DS80C390-QCR is a popular embedded microcontroller that is used in various application fields. The most common applications of the DS80C390-QCR can be found in automotive, industrial, and communication systems. Industrial applications of this microcontroller include machine control systems, energy management, household appliances, and building automation systems. Additionally, automotive systems utilize the DS80C390-QCR to provide sensing and control functions, such as engine control and dashboard warning indicators. The DS80C390-QCR is also used for communication systems, such as wireless networks and cellular phone functionality. The working principle of the DS80C390-QCR is based on the Harvard architecture, which is a computer architecture that uses different buses for the processors\' instruction and data memories. This architecture enables the processor to access the simultaneous reading and writing of data without contention between the program memory and operational memory. The DS80C390-QCR features an 8-bit CPU core with 8K bytes of on-chip RAM and 64K bytes of on-chip Flash memory as well as 1K bytes of on-chip EEPROM. The internal bus is capable of transferring data at a maximum rate of 12.5 MHz and consists of an 8-bit Data Bus and an 8-bit Address Bus, as well as the Control Bus. Additionally, the DS80C390-QCR features two 8-bit timers, two 16-bit timers, a serial port, an 8-channel 8-bit A/D converter and an 8-bit I/O port. The microcontroller also includes an on-chip hardware multiplier for greater efficiency and enhanced performance. The DS80C390-QCR also offers enhanced power management, which enables the microcontroller to operate using a wide range of power supply voltages from 3.3V to 5.5V. This feature is beneficial as it allows the microcontroller to be used in low power applications. Furthermore, the DS80C390-QCR features several interrupt options, allowing the microcontroller to respond quickly and efficiently to different events.Overall, the DS80C390-QCR is an excellent choice for embedded microcontrollers. It is a versatile and reliable system and provides the necessary features for the majority of embedded applications. The enhanced power management, interrupt options, and on-chip hardware multiplier make the DS80C390-QCR an optimal choice for embedded applications.

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