37.4 Signal Description
| Signal | Description | Type |
|---|---|---|
| SCK | Serial Clock | Output |
| CS | Chip Select | Output |
| MOSI(DATA0) | Data Output (Data Input Output 0) | Output (Input/Output) |
| MISO(DATA1) | Data Input (Data Input Output 1) | Input (Input/Output) |
| DATA2 | Data Input Output 2 | Input/Output |
| DATA3 | Data Input Output 3 | Input/Output |
Note: MOSI and MISO are used for single-bit SPI operation
Note: DATA0-DATA1 are used for Dual SPI operation
Note: DATA0-DATA3 are used for Quad SPI operation
Refer to the pinout table for details on the pin mapping for this peripheral. One signal can be mapped to one of several pins.