In an embodiment, a method for writing to a set of serial peripheral interface (SPI) slaves coupled to an SPI bus includes: disabling master in slave out (MISO) drivers of the set of SPI slaves using the SPI bus; after disabling the MISO drivers, setting respective slave selection terminals of the set of SPI slaves to an active state; and after setting the respective slave selection terminals of the set of SPI slaves to the active state, simultaneously writing data to the set of SPI slaves using a master out slave in (MOSI) line.
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