PIC32MX420F032HT-40V/MR

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Embedded Microcontrollers answer the need for a computing device that runs a fixed set of applications or tasks, rather than executing arbitrary programs or tasks such as a general purpose computer. PIC32MX420F032HT-40V/MR embedded microcontroller is no exception. This is a 32-bit microcontroller based on Microchip Technology’s MIPS M4K core which is suitable for industrial applications and home automation.

Features

The PIC32MX420F032HT-40V/MR embedded microcontroller has the following features:

• 32 bit MIPS M4K core
• 1.2V to 3.6V operating voltage
• 100MHz maximum operating frequency
• 128KB Flash program memory
• 8KB RAM
• 20 I/O pins
• On-chip analog modules (8-channel 10-bit ADC, DAC, Comparator)

Application Field and Working Principle

The PIC32MX420F032HT-40V/MR embedded microcontroller is a versatile controller for industrial, home automation and embedded control applications. It can be used for energy management and monitoring, industrial automation, motor/sensor control applications, home automation and lighting control, and networking applications. It is suitable for applications that require a low power footprint and a low cost but still require a very high performance controller.

This PIC32MX420F032HT-40V/MR embedded microcontroller operates using a Harvard architecture which is a single instruction multiple data flow architecture. The processor core has its own instruction (program) memory (flash memory) and its own data memory (random access memory). The program memory for this microcontroller contains 128KB of Flash memory where instructions are stored. The Data Memory contains 8KB of RAM where data is stored.

The microcontroller also has an on-board analog module consisting of an 8-channel 10-bit analog to digital converter (ADC), a single precision digital to analog converter (DAC) and an analog comparator. These modules are used for analog measurements such as temperature, light and pressure.

For communication, this microcontroller supports both peripherals and networks including Ethernet, USB and CAN.

For power management the microcontroller has sleep and wait modes that helps to reduce the power consumption when the controller is idle.

In order to access all of the on-chip peripherals, such as the analog modules, program memory, data memory and control registers, the processor core uses an instruction bus, a data bus and an address bus. These buses are connected to the on-chip peripherals, memory and registers. Instructions are fetched from program memory and then executed by the processor. The data and address buses are used to write to or fetch data from the Data Memory and the on-chip peripherals.

Conclusion

The PIC32MX420F032HT-40V/MR embedded microcontroller is a powerful and efficient microcontroller for industrial and home automation applications. It is suited for applications that require a low power footprint, a low cost but high performance controller. It has a wide range of features including on-chip analog modules, Ethernet connectivity, USB and CAN. It also has power management features such as sleep and wait modes to reduce power consumption when the controller is idle.

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