2.19.22 SERCOM-SPI: Data Preload

In SPI Client mode and with Client Data Preload Enabled (CTRLB.PLOADEN=1), the first data sent from the client will be a dummy byte if the host cannot keep the client select (SS) line low until the end of transmission.

Work Around:

In SPI Client mode, the client select (SS) pin must be kept low by the host until the end of the transmission if the client data preload feature is used (CTRLB.PLOADEN=1).

Affected Silicon Revisions

PIC32CX1012BZ25048/WBZ451/WBZ451H
A0A2
XX
PIC32CX1012BZ24032/WBZ450
A2
X