Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 7/19/2024
Public

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5.13.6.5. Resets

Resets The UART controller is connected to the uart_rst_n reset signal. The reset manager drives the signal on a cold or warm reset.

Taking the UART Controller Out of Reset

When a cold or warm reset is issued in the HPS, the reset manager resets this module and holds it in reset until software releases it. After the CPU boot, it can deassert the reset signal by clearing the appropriate bits in the reset manager's corresponding reset register.