MB90F349CAPQCR-GSE2

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The MB90F349CAPQCR-GSE2 is a single-chip microcomputer targeting embedded applications, released by Fujitsu. It increases the high-speed performance, large capacity memories and peripheral functions suitable for low power consumption with a high integration of analog and digital circuitry implemented on a single chip. The MB90F349CAPQCR-GSE2 finds use in a variety of applications, such as automotive control systems, general-purpose controllers, and equipment for industrial automation control.

The basic architecture of the MB90F349CAPQCR-GSE2 is such that it consists of a CPU core, on-chip memory (ROM and RAM) and a variety of peripheral blocks, all integrated on a single chip. The CPU core is based on a modified CISC architecture with a 16-bit instruction set. The CPU clock can be set to 1.5, 2.5, or 4.0MHz, depending on which system clock is used. The ROM contained on the chip is divided into 32KB of boot ROM and a maximum of 384KB of user ROM. The on-chip RAM consists of 8KB of internal RAM and a maximum of 128KB of external RAM.

A wide range of I/O functions are built into the MB90F349CAPQCR-GSE2, such as external bus interfaces (EBI, SRAM, LCFC) and serial interfaces (I2C, UART, SIM, BM and SCI) for application-specific communication. Specialized I/O functions are also available, such as a multi-timebase unit, fast A/D converter, PWM output, and watchdog timer. Additionally, the MB90F349CAPQCR-GSE2 also incorporates an on-chip LPD for analog-to-digital conversion.

At the core of the MB90F349CAPQCR-GSE2 is a three-stage instruction pipeline, which enhances the performance of the CPU core. The pipeline is designed such that the fetching of data and instructions, the decoding of the instructions, and the execution of the instructions is done in parallel, making it possible to achieve a performance up to 10 times faster than that of a regular CISC CPU.

Furthermore, the MB90F349CAPQCR-GSE2 incorporates a variety of low power-consumption features, such as sleep mode, a stop mode, and a low voltage detection function. It is also capable of running at a frequency below the nominal system clock frequency, which reduces power consumption while maintaining a certain level of performance. These features make the MB90F349CAPQCR-GSE2 an ideal choice for applications requiring power efficient operation.

Finally, the MB90F349CAPQCR-GSE2 also provides a variety of other services for embedded applications. One of the most important of these is the Debug Window, which allows for real-time debugging of the CPU during execution. This tool can be used to identify and rapidly debug potential problems during the development and debugging process.

To summarize, the MB90F349CAPQCR-GSE2 is a high-performance single-chip microcontroller specifically designed for embedded applications. With its impressive feature set and power-saving capabilities, it can be used in a wide range of applications, from automotive controllers to industrial automation systems.

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