user push button

Hi,

So I just would like to know with the SW1 which is a USER GPIO button. In the documentation it says it is connected to B9 and when checking UG865, this pin is connected to the PS. Is their a way of simply using it to trigger something in the PL? Or is there another way of triggering something in the PL with the microZed?

Ludwig

Parents

0 Former Member over 11 years ago

You are correct, SW1 is connected to the PS portion of the Zynq device and there is no way for it to directly control or trigger logic it the PL section. You could use the switch indirectly by having one of the ARM processors read the state of SW1, and set a GPIO output routed via the EMIO to the PL section accordingly, to control PL logic.

Or you could connect to the PL section via one of the two MicroHeaders on the MicroZed. The IO Carrier board has four push button switches and four dip switch inputs available.

http://www.zedboard.org/product/io-carrier-card

-Gary
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel

Reply

0 Former Member over 11 years ago

You are correct, SW1 is connected to the PS portion of the Zynq device and there is no way for it to directly control or trigger logic it the PL section. You could use the switch indirectly by having one of the ARM processors read the state of SW1, and set a GPIO output routed via the EMIO to the PL section accordingly, to control PL logic.

Or you could connect to the PL section via one of the two MicroHeaders on the MicroZed. The IO Carrier board has four push button switches and four dip switch inputs available.

http://www.zedboard.org/product/io-carrier-card

-Gary
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel

Children

No Data