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The ASC8849ET,557 is a specialized application processor manufactured by NXP Semiconductors. It integrates an ARM926EJ-S core operating at a maximum clock frequency of 500 MHz with a 32-bit data bus width. The device features 16 kB L1 instruction and 16 kB L1 data caches. Designed for surface-mount installation, it utilizes a 484-TFBGA package. Key interfaces include Ethernet, I2S, SPI, UART, and Video capabilities, supporting its role in advanced multimedia processing applications.
The ASC8849ET,557 is listed as a discontinued product by the manufacturer. Availability is limited to existing stock or secondary market sources. Verification of component authenticity and condition is critical when sourcing from non-authorized distributors due to the end-of-life status.
Designers should consider the ARM926EJ-S architecture and 500 MHz performance limit when evaluating this component. The 484-TFBGA package requires specific PCB layout considerations for thermal management and signal integrity. Verify interface compatibility with Ethernet, I2S, and Video peripherals before integration.
This component belongs to the ASC88 series of specialized processors from NXP Semiconductors. It is functionally related to the ASC8850ET,557, which shares similar packaging and core architecture but may differ in specific interface configurations or software support packages.
As the part is discontinued, no direct public substitute part numbers are confirmed. Engineers must evaluate newer NXP multimedia processors or third-party alternatives based on pin compatibility and software migration requirements.