MB90F022CPF-GS-9191

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The MB90F022CPF-GS-9191 is a 32-bit 32-pin microcontroller produced by Fujitsu. It boasts high-performance multi-function features including high-speed, high-performance interrupt processing, built-in flash memory, direct four-wire serial port, high-performance and low-power consumption, making it suitable for a wide range of applications. In this article, we shall discuss the application field and working principle of the MB90F022CPF-GS-9191.

Application Field

The MB90F022CPF-GS-9191 is a great choice for embedded systems applications that require a low power, high speed, and multifunction microcontroller. It is suitable for automotive and home appliance applications, as well as human interface controls such as digital displays, remote controls, input devices, and other applications. Its built-in flash memory allows it to provide fast code and data storage, making it suitable for data-intensive applications. Additionally, it features a direct four-wire serial port as well as 16-bit analogue-to-digital converter, making it ideal for applications requiring real-time communication and data acquisition.

Working Principle

The MB90F022CPF-GS-9191 is a 32-bit processor that operates on a single-chip microarchitecture. Its 32-pin package contains a 32Kbyte Flash memory, four 8-bit I/O ports, as well as an interrupt controller. The memory is divided into four banks of 8Kbytes, each of which is mapped to the four 8-bit I/O ports. The interrupt controller handles external IRQs from sensors and devices. The interrupt controller is designed to allow rapid and deterministic management of interrupt sources, with software control.

In terms of its core architecture, the MB90F022CPF-GS-9191 operates on an ARMv7-M based architecture. It uses an instruction set that combines both the ARMv7 and Thumb2 instruction sets, enabling versatile and fast code execution. The processor supports further instruction sets, such as Thumb-1, Thumb-2E, Jazelle RCT, and 16/32 bit big endian/little endian mode.

The MB90F022CPF-GS-9191 also features an Enhanced Single-Cycle Multiplier (ESCM) and 32K byte dual port RAM, allowing for high-performance data processing. The processor features clock speeds of up to 32 MHz external clock speed and a maximum of 64MIPS at 50MHz. Additionally, its low-power modes, such as the system wait mode, allow for efficient power management.

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