Quad Spi Flash Controller; Features Of The Quad Spi Flash Controller - Altera Cyclone V Device Handbook

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The hard processor system (HPS) provides a quad serial peripheral interface (SPI) flash controller for access

to serial NOR flash devices. The quad SPI flash controller supports standard SPI flash devices as well as high-

performance dual and quad SPI flash devices. The quad SPI flash controller is based on Cadence

Flash Controller (QSPI_FLASH_CTRL).

The quad SPI flash controller supports the following features:

• Single, dual, and quad I/O commands

• Device frequencies up to 108 MHz

• Direct access and indirect access modes

• External direct memory access (DMA) controller support for indirect transfers

• Configurable polarity, phase, and delay

• Programmable write-protected regions

• Local buffering with error correction code (ECC) logic for indirect transfers

• Up to four devices

• eXecute-In-Place (XIP) flash devices

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Quad SPI Flash Controller

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