[12] SPI: Spike on MISO pin

This anomaly applies to IC Rev. Revision 2, build codes QDAA-G00.

Symptoms

The MISO pin may have spikes at the rising or falling edge of the PDN pin.

Conditions

The PDN pin toggles.

Consequences

The MISO pin may have a positive or negative spike that interferes with communication with peripheral devices sharing the MISO line on the SPI bus.

Workaround

Do not share the MISO line with other peripheral devices.