Apply Reset

UltraScale Architecture SelectIO Resources User Guide (UG571)

Document ID
UG571
Release Date
2022-08-31
Revision
1.14 English

To apply a reset:

1.Assert reset to the PLL.

2.Apply reset to RXTX_BITSLICE.TX_RST_DLY, RXTX_BITSLICE.RX_RST_DLY, TX_BITSLICE_TRI.RST_DLY, RXTX_BITSLICE.TX_RST, RXTX_BITSLICE.RX_RST, TX_BITSLICE_TRI.RST, and/or BITSLICE_CONTROL.RST.

3.Stop strobe clocks.

4.Wait the minimum PLL reset assertion time before releasing the reset. For this timing specification, consult the PLL section of the UltraScale device data sheets [Ref 2]. Then follow the steps in Native Mode Bring-up and Reset for correct bring-up.