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Working Around the Byte Ordering | Cypress Semiconductor

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Working Around the Byte Ordering

Last Updated: April 03, 2011

Is it possible to exchange the byte ordering on the FD lines of FX2 to match that of FX?


In FX2 the first byte in the endpoint always goes out FD[7:0] and the second byte always goes out FD[15:8]. You must take care to wire the data lines appropriately to your device to achieve the necessary ordering:

FD[7:0] -> second byte port on device
FD[15:8] -> first byte port on device

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