SM320F2812-HT: Highest temperature micro controller

Part Number: SM320F2812-HT

Dear TI component selection team,

We require a very high temperature micro-controller for an upcoming project with the SM320F2812-HT being the obvious high temp candidate. The datasheet states 'custom temperature ranges available', what are these ranges and is 220°C the highest possible? Also are there samples or low volume orders we can make to test this DSP please?

Kind regards,

Jake