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packet error check (PEC)

Packet Error Check (PEC) is an error control technique used with the two management buses System Management Bus (SMBus) and Power Management Bus (PMBus). With the PEC technique, the data bytes are checked. This is done by a cyclic block check of the data bytes used for the transaction. For checking purposes, additional check bytes are appended to the transaction data, which are checked on the receiving side,

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Englisch: packet error check - PEC
Updated at: 27.09.2013
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Translations: DE