MM908E626AVPEKR2

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The MM908E626AVPEKR2 microcontroller is an 8-bit device from Freescale Semiconductor, part of the HCS08 series of microcontrollers. It is an application-specific device, designed for use as a bridge between a host processor and an external storage device such as a memory card.

The MM908E626AVPEKR2 is based on the HCS08 central processing unit (CPU) core and contains a variety of integrated peripherals, including an asynchronous serial interface, UART, SPI, I2C, general-purpose timers, and a self-programmable watchdog timer. It also contains 256 kB of Flash memory and 8 kB of SRAM.

The primary application field for the MM908E626AVPEKR2 is for bridging the host processor and external memory and for providing basic storage functions such as writing and retrieving data from the external memory or flash. The MM908E626AVPEKR2 also provides a secure, tamper-proof platform for protection of sensitive data in secure applications.

Working principle: The MM908E626AVPEKR2 microcontroller works by managing the data transfer between the host processor and the external memory device. It uses a bridge logic circuit to control the data flow, while also providing important security functions such as encryption and authentication. The MM908E626AVPEKR2 also provides several integrated peripheral devices such as a UART, SPI, I2C, general-purpose timers, and a self-programmable watchdog timer, for direct communication between the microcontroller and the host processor or external memory device.

The integrated Flash memory of the MM908E626AVPEKR2 allows for high-speed data storage and retrieval. The MM908E626AVPEKR2 also provides several power management features, such as low-power sleep modes and power-saving features. This makes the microcontroller suitable for use in battery-powered applications.

The MM908E626AVPEKR2 is compatible with a number of different external memory and other devices, such as EEPROM, SRAM, SD/MMC cards, and COM ports. This makes it a versatile solution for many different embedded applications.

In summary, the MM908E626AVPEKR2 is an application-specific microcontroller designed for use as a bridge between a host processor and an external storage device. It provides integrated Flash memory, peripheral devices, and power management functions, and is compatible with a wide range of external memory devices. This makes it a suitable solution for many embedded applications.

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