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What does CPU_RESET pin exactly do in ZCU106 MPSoC board?

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msdarvishi

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Hi,

I am using ZCU106 MPSoC evaluation board in my designs.

Looking at the ZCU106 User Guide, there are multiple reset pins:

PS_PROG_B : This action clears the programmable logic configuration, which can then be acted on by the PS software. (To my understanding, this will reset only the PL part)

PS_POR_B : This reset is used to hold the PS in reset until all PS power supplies are at the required voltage levels. (To my understanding, this will reset only the PS part)

PS_SRST_B : This reset is used to force a system reset. (What does "system" stands for here? Is it the PS+PL all together? The explanation is confusing)

CPU_RESET : only in page 9 of ZCU106 User Guide, it is written "PL-side CPU reset pushbutton". Does it reset only the PL part? If yes, why is it confusing with PS_PROG_B ? What is the differences?



Generally, can anyone elaborate that what does the CPU_RESET connected to pin G13 of FPGA fabric exactly do??



Thank in advance for your kind replies and helps.

Best,
 

It's just a push button they connected to a PL single-ended input. You can use it for anything. They decided to call it CPU_RESET. I use it to reset my PL logic.

r.b.
 

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