The ARM7500FE is a system-on-a-chip; it has all the I/O, Video and Sound electronics you'll need as well as the processor on a single chip. If they were to use a normal StrongARM, you'd have to source and implement these sub-systems separately, which is extra work and cost and space.
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Qercus reviewed but renewed? Forty months after taking out an annual subscription, Martin Hansen ponders whether or not to continue his Qercus sub 28 comments, latest by hzn on 3/8/07 4:15PM. Published: 27 Jul 2007