The s_axi_ctrl_aresetn
is the AXI4-Lite
active-Low reset. It resets all the registers to their default values. The
ref_clk_resetn
and acr_resetn
are active-Low resets that
reset the ref_clk
and acr_clk
logic respectively. The
aud_mrst
is a active-High reset that resets the loop control logic.