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Core EVB

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Core EVB V1.0(Discontinue)	Core EVB V1.4

From Jan.16 2015, Core EVB 1.4 replaces the V1.0 automatically.

Core EVB V1.4 Improvement

Improve the MIC & speaker circuit.
Use HLF-W12 module to replace the previous HLF-W15 module
Modify the FPC interface
Increase the input capacitors of USB hub to maintain the stability
Add auto reset circuit to Core A20

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