Entity: Si571_pll

Diagram

pll_cfg_en pll_ref_i clk_i clk_10mhz rstn_i pll_ok_o pll_hi_o pll_lo_o

Ports

Port name Direction Type Description
pll_ok_o output Data input
pll_cfg_en input
pll_ref_i input
pll_hi_o output
pll_lo_o output
clk_i input
clk_10mhz input
rstn_i input

Signals

Name Type Description
pll_ref_cnt reg [16-1:0] ---------------------------------------------------------------------------------
Simple FF PLL detect RF clock
pll_sys_syc reg [ 3-1:0]
pll_sys_cnt reg [21-1:0]
pll_sys_val reg
pll_ff_sys reg
pll_ff_ref reg
pll_ff_rst wire
pll_ff_lck wire

Processes

Type: always

Type: always

Type: always

Description
FF PLL functionality

Type: always