The legacy SHARC chips run up to 66 MHz, and have 68 KB of internal memory plus 8 MB of external very fast memory.
The SHARC chips in the Expanded 2D system run up to 333 MHz and have 375 KB of internal
memory.
Metric Halo +DSP MIO Tips, Tricks, and Tweaks
Tips, Tricks, Tweaks, for Metric Halo Mobile IO MIO hardware.