35.2 Features
The following are key features of the SQI module:
- Supports Single, Dual, and Quad Lane modes
- Supports Single Data Rate (SDR)
- Programmable command sequence
- Data transfer:
- Programmed I/O mode(PIO)
- Buffer descriptor DMA
- Execute-In-Place (xIP)
- Supports SPI Mode 0 and Mode 3
- Programmable Clock Polarity (CPOL) and Clock Phase (CPHA) bits
- Supports up to four Chip Selects
- Supports up to four bytes of Flash address
- Programmable interrupt thresholds
- 256-byte transmit data buffer
- 256-byte receive data buffer
- 4-word controller buffer