The EP7309 is designed for ultra-low-power applications such as digital music players, Internet appliances, smart cellular phones or any handheld device that features the added capability of digital audio decompression. The core-logic functionality of the device is built around an ARM720T processor with 8 KB of four-way, set-associative unified cache and a write buffer. Incorporated into the ARM720T is an enhanced memory management unit (MMU), which allows for support of sophisticated operating systems like Microsoft® Windows CE® and Linux®.