Quad-SPI Interface

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

Document ID
UG1085
Release Date
2022-09-15
Revision
2.3 English

The lower memory Quad-SPI interface (QSPI_0) must be used when using the Quad-SPI memory subsystem. The upper interface (QSPI_1) is optional and is only used for a two-memory arrangement (parallel or stacked). Do not use the Quad-SPI 1 interface alone.