AN4592

1.3.2.4.2 Instruction Flow for Transceiver Rate Change

The transceiver reconfiguration occurs in the following sequence:

Assert Reset for the serializer
Assert Reset for the deserializer
Change TX_PLL_DIV_1 register
Change TX_PLL_DIV_2
Change SER_CLK_CNTRL
Change DES_RXPLL_DIV
De-Assert reset for the serializer
De-assert reset for the deserializer
Assert and de-assert the soft PCS reset

Important: For more information about transceiver configuration register, see PolarFire Device Register Map.

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