Intel® Stratix® 10 Hard Processor System Technical Reference Manual

ID 683222
Date 11/28/2022
Public

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22.3. GPIO Interface Signal Description

Table 211.  GPIO Interface Signals (Routed to HPS I/O)
Signal Name Width Direction Description Default Value for Inputs Recommended Tie-off
HPS_IOA_[24:1] / GPIO_IO[23:0] 24 Input / Output General Purpose Input/Output signals tri-state with weak '1' Pull-up
HPS_IOB_[24:1] / GPIO_IO[47:24] 24 Input / Output General Purpose Input/Output signals tri-state with weak '1' Pull-up