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PXA250 and PXA210 Applications Processors Design Guide A-9
SA-1110/Applications Processor Migration
Additional software is required to access these benefits.
A similar story is true for AC’97, I2C, GPIOs, MMC and others. The benefits are substantial, but
new hardware and software will be necessary to effectively use the PXA250 applications
processor.
A.3.5 Conclusion
Although most application software will migrate unchanged between SA-1110 and the PXA250
applications processors, the underlying microarchitectures are radically different. The PXA250
applications processor being considerably more ornate and capable than the SA-1110. The majority
of hardware and low-level software from any SA-1110 design will need to be redesigned. with a
view to taking full advantage of the new features that the PXA250 applications processor brings to
the handheld market.