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   Microcontroller for audio
The MCF5249 core features up to 125 Dhrystone 2.1 MIPS at 140MHz. It includes 96KB of on-chip SRAM, 8KB of instruction cache, and the following peripherals: two independent UARTs, two 16-bit timers, phased-lock loop clock, software watchdog timer, general purpose input/output lines, two I2C interfaces, queued SPI interface, four-channel direct memory access, and a glueless SDRAM controller. It's available now for $10.30 apiece in quantities of 10,000.

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