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MCIMX257CJM4A Datasheet(PDF) 2 Page - Freescale Semiconductor, Inc |
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MCIMX257CJM4A Datasheet(HTML) 2 Page - Freescale Semiconductor, Inc |
2 / 153 page i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 9 2 Freescale Semiconductor 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. • 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. • i.MX25 only supports Little Endian mode. |
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