MB91F467TAPMC-GS-N2K5E2

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The MB91F467TAPMC-GS-N2K5E2 is an 8-bit microcontroller from the F2MC-16LX family of Fujitsu Semiconductor, suitable for use in a wide range of embedded applications. The microcontroller is based on a high-performance RISC core, developed for high throughput and low power consumption, and supports various peripheral functions. This article will explain the application field of this microcontroller and working principle.

Application Field

The MB91F467TAPMC-GS-N2K5E2 can be used in various embedded applications, such as consumer, automotive and industrial. Some of the application areas are listed below:

• Consumer: This microcontroller can be used in consumer electronics like audio and video systems, gaming consoles, digital cameras, and home appliances.
• Automotive: This microcontroller is suitable for use in automotive applications such as vehicle control systems, engine management systems, On-Board Diagnostics, and body systems.
• Industrial: This microcontroller is suitable for use in industrial applications such as factory automation, process control systems, and machine control.

The microcontroller is ideal for low-power, low-cost, low-volume applications. The MB91F467TAPMC-GS-N2K5E2 integrates several peripherals, including USB, Ethernet, SPI, UART, I2C, and SCI to meet the requirements of today’s embedded systems. It also features two watchdog timers and two external interrupt sources to ensure reliability. The microcontroller is available in a 48-QFP package.

Working Principle

The working principle of the MB91F467TAPMC-GS-N2K5E2 is based on the RISC core, developed for high throughput and low power consumption. The microcontroller includes an 8-bit ALU, 8-bit registers, and a program counter which keeps track of the current program address. The program counter is incremented for each instruction execution and stores the next program address in its memory.

The microcontroller also includes a tracking timer, timer compare registers, and an oscillator. The tracking timer runs continuously and its output can be used to generate real-time events. The timer compare registers are used to compare the tracking timer value with a predefined value, which can be used to generate interrupts or generate a predetermined output.

The microcontroller also features several peripheral functions, including two watches, two USB ports, one Ethernet, two SPI, two UART, two CAN, four I2C, and two SCI. Each peripheral has its own dedicated logic to control its functions. The watches allow the microcontroller to monitor the system’s operation and reset the system in case of a problem. The USB ports can be used to connect external devices to the microcontroller. The Ethernet port allows for communication with other devices on the network. The SPI, UART, CAN, I2C, and SCI ports can be used to communicate with external devices, such as sensors, actuators, and other microcontrollers.

The microcontroller also includes a power-saving mode, which is activated when the system is idle. In this mode, the system can reduce its power consumption and reduce its operating frequency, making it suitable for low-power and low-cost applications.

Conclusion

This article has discussed the application field and working principle of the MB91F467TAPMC-GS-N2K5E2, an 8-bit microcontroller from the F2MC-16LX family of Fujitsu Semiconductor. The microcontroller is suitable for a wide range of embedded applications, including consumer, automotive, and industrial applications. Its RISC core and peripheral functions, including two watches, USB, Ethernet, SPI, UART, CAN, I2C, and SCI, support the requirements of today’s embedded systems. The microcontroller is also power efficient, with a power-saving mode which reduces its power consumption and operating frequency when the system is idle.

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