Versal Adaptive SoC Technical Reference Manual (AM011)

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1.6 English

The I/O interface configurations are summarized in the following table. For more information, see QSPI Flash Boot Mode topics.

Table 1. Quad-SPI I/O Configurations
I/O Type Device Count Chip Selects Data Signals
Single 4-bit 1 Either 1 Up to 4
Dual stacked 2 Either 1 Up to 4
Dual parallel 2 Both 2 8
  1. In the first case, either chip select can be used.
  2. QSPI0_CS_b is associated with lower four data bits. QSPI1_CS_b is associated with upper four data bits.