SPI features

The CAT4 SPI is a master-only driver supporting the following features:

• Standard motorola SPI CPOL=0, CPHA=0 with MSB first operation (CYHAL_SPI_MODE_00_MSB)
• 1 dedicated chip select

The following features are not available on these devices:

• Interrupts and events
• Non-blocking communication
• FIFO control
• Trigger connections

The SPI hardware is always clocked using the HT clock. NULL should be passed in the initialization function for the clk parameter.

Supported transfer data width options

CAT4 devices support only transfer data width 8 and 16