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MB90025FPMT-GS-302E1 application field and working principle

ABSTRACT

This paper aims to introduce the application field and working principle of MB90025FPMT-GS-302E1. MB90025FPMT-GS-302E1 is a 24-pin microcontroller applied in the field of embedded system. It supports 8-bit CPU and a variety of peripheral resources, and works on 3.0V to 3.6V power supply. It has been widely used in multiple industries. This paper introduces the application fields, structure and basic working principle of MB90025FPMT-GS-302E1.

INTRODUCTION

MB90025FPMT-GS-302E1 is a 24-pin microcontroller, based on the 8-bit RISC CPU core. It has low power consumption, high performance, low cost, flexible processing resources and low heat dissipation, which is widely used in the fields. MB90025FPMT-GS-302E1 is suitable for embedded system with limited resources and rich functions. It has good characteristics of power saving and low cost, so it is very popular in various products.

APPLICATION FIELD

The application fields of MB90025FPMT-GS-302E1 can be summarized as follows:

• Communication product: MB90025FPMT-GS-302E1 is used in communication products such as mobile phones, set top boxes, and wireless router. These products are great challenge for the processing power and cost performance of MB90025FPMT-GS-302E1.
• Industrial control: MB90025FPMT-GS-302E1 is mainly used in the field of industrial control. It provides control of a variety of motors, makes machines run stably and smoothly, and provides parallel or serial communication interface for data exchange between machines and computers.
• Automotive products: it is mainly used in automotive electronics, such as controlling automobile heater, automatic seat adjusting unit, brake system and entertainment systems.
• Household appliances: MB90025FPMT-GS-302E1 is widely used in household appliances, mainly used to control air conditioning and refrigerators.
• Medical equipment: MB90025FPMT-GS-302E1 can be used in medical instrument control, such as hospital central control system, biomedical test equipment, electronic thermometer and blood pressure instrument.

STRUCTURE

MB90025FPMT-GS-302E1 is a multi-function embedded microcontroller. It has 8-bit RISC CPU core, 4-bit instruction register, 8 bit data register, address bus, data bus, peripheral timer unit and interrupt control unit, etc. The block diagram of MB90025FPMT-GS-302E1 is shown in Figure 1.

Figure 1: Block diagram of MB90025FPMT-GS-302E1

It has wide interfaces, including UART, I2C and SPI, etc., and can support UART data transmission rate up to 576Kbps and SPI data transmission rate up to 1Mbps. It has 5 general programmable I/O ports, which can be customized for various applications. There are 2 pulse-width modulation (PWM) modules, hardware watchdog timer and hardware power-off module. In addition, MB90025FPMT-GS-302E1 supports sleep mode, halt and idle mode, to further reduce the power consumption.

WORKING MECHANISM

The working mechanism of MB90025FPMT-GS-302E1 is composed of three parts: Central Processing Unit (CPU), Timer/Counters and Peripheral Function. In the process of operation, the instructions are fetched from the instruction register, decoded and executed. After executing the instructions, the calculation results are stored in the data register. At the same time, the timer/counters provide timing control and generate interrupts to the CPU. The peripheral functions are driven by fixed peripherals, such as UART, SPI, I2C, Timers/Counters, PWM and Analogue Comparator, etc., to realize the communication between the device and the external system. The overall working diagram of the device is shown in Figure 2.

Figure 2: Working diagram of MB90025FPMT-GS-302E1

It can be seen from the figure that the main control unit is the CPU core. It performs various tasks through the internal data and instruction registers, and also controls the timing and interruption of system peripheral functions according to the programs. It connects the external system with the internal system through its built-in single-chip peripherals, and realizes various functions such as data transmission, power control, peripheral control and so on.

CONCLUSION

In conclusion, MB90025FPMT-GS-302E1 is a 24-pin microcontroller with built-in 8-bit CPU and a variety of peripherals, widely used in multiple embedded digital control systems. Its large number of peripherals and networking capabilities, as well as its low power consumption and low cost, make it widely used in the fields of communication products, automotive products, household appliances and medical equipment, etc. MB90025FPMT-GS-302E1 can be customized according to different needs, and its working principle can be simply dropped into the containing block diagram.

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