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MCIMX255AVM4 Datasheet(PDF) 2 Page - Freescale Semiconductor, Inc |
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MCIMX255AVM4 Datasheet(HTML) 2 Page - Freescale Semiconductor, Inc |
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2 / 132 page  i.MX25 Applications Processor for Automotive Products, Rev. 1 2 Freescale Semiconductor requirements. The device is suitable for a wide range of applications, including the following: • USB connectivity • Audio streaming • Portable media player connectivity and playback with MP3, AAC, and WMA software support • External bluetooth control • Basic voice command & control • Secure black box • Smart toll collection Features of the i.MX25 processor include the following: • Advanced power management—The heart of the device is a level of power management throughout the IC that enables the multimedia features and peripherals to achieve minimum system power consumption in active and various low-power modes. Power management techniques allow the designer to deliver a feature-rich product that requires levels of power far lower than typical industry expectations. • Multimedia powerhouse—The multimedia performance of the i.MX25 processor is boosted by a 16 KB L1 instruction and data cache system and further enhanced by an LCD controller (with alpha blending), a CMOS image sensor interface, an A/D controller (integrated touchscreen controller), and a programmable smart DMA (SDMA) controller. • 128 Kbytes on-chip SRAM—The additional 128 Kbyte on-chip SRAM makes the device ideal for eliminating external RAM in applications with small footprint RTOS. The on-chip SRAM allows the designer to enable an ultra low power LCD refresh. • Interface flexibility—The device interface supports connection to all common types of external memories: MobileDDR, DDR, DDR2, NOR Flash, PSRAM, SDRAM and SRAM, NAND Flash, and managed NAND/moviNAND™ (via the enhanced secured digital host controller (eSDHC)). Designers seeking to provide products that deliver a rich multimedia experience will find a full suite of on-chip peripherals: LCD controller and CMOS sensor interface, A/D controller (integrated touchscreen controller), parallel ATA, USB 2.0 high-speed on-the-go and full-speed host PHYs, multiple expansion card ports (high-speed MMC/SDIO host and others), fast Ethernet controller, and a variety of other common interfaces including UART, CSPI, I2C, FlexCAN, and SIM card. • Increased security—Because the need for advanced security for tethered and untethered devices continues to increase, the i.MX25 processor delivers hardware-enabled security features that enable secure e-commerce, digital rights management (DRM), information encryption, robust tamper detection, secure boot, and secure software downloads. • On-chip PHY—The device includes an HS USB OTG PHY and FS USB HOST PHY. • Fast Ethernet—For rapid external communication, a fast Ethernet controller (FEC) is included. |
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