dac.tan.qmsg

DDS知识解析

{ "Warning" "WTAN_NO_CLOCKS" "" "Warning: Found pins functioning as undefined clocks and/or memory enables" { { "Info" "ITAN_NODE_MAP_TO_CLK" "clk_in " "Info: Assuming node \"clk_in\" is an undefined clock" {  } { { "DAC.bdf" "" { Schematic "C:/Users/admin/Desktop/DDS/DAC/DAC.bdf" { { 152 -88 80 168 "clk_in" "" } } } } { "e:/program files/altera/81/quartus/bin/Assignment Editor.qase" "" { Assignment "e:/program files/altera/81/quartus/bin/Assignment Editor.qase" 1 { { 0 "clk_in" } } } }  } 0 0 "Assuming node \"%1!s!\" is an undefined clock" 0 0 "" 0 0} { "Info" "ITAN_NODE_MAP_TO_CLK" "altera_internal_jtag~TCKUTAP " "Info: Assuming node \"altera_internal_jtag~TCKUTAP\" is an undefined clock" {  } { { "e:/program files/altera/81/quartus/bin/Assignment Editor.qase" "" { Assignment "e:/program files/altera/81/quartus/bin/Assignment Editor.qase" 1 { { 0 "altera_internal_jtag~TCKUTAP" } } } }  } 0 0 "Assuming node \"%1!s!\" is an undefined clock" 0 0 "" 0 0}  } {  } 0 0 "Found pins functioning as undefined clocks and/or memory enables" 0 0 "" 0 0}
{ "Warning" "WTAN_RIPPLE_OR_GATED_CLOCKS_FOUND" "1 " "Warning: Found 1 node(s) in clock paths which may be acting as ripple and/or gated clocks -- node(s) analyzed as buffer(s) resulting in clock skew" { { "Info" "ITAN_RIPPLE_CLK" "clk_div:inst\|clk_reg " "Info: Detected ripple clock \"clk_div:inst\|clk_reg\" as buffer" {  } { { "clk_div.v" "" { Text "C:/Users/admin/Desktop/DDS/DAC/clk_div.v" 17 0 0 } } { "e:/program files/altera/81/quartus/bin/Assignment Editor.qase" "" { Assignment "e:/program files/altera/81/quartus/bin/Assignment Editor.qase" 1 { { 0 "clk_div:inst\|clk_reg" } } } }  } 0 0 "Detected ripple clock \"%1!s!\" as buffer" 0 0 "" 0 0}  } {  } 0 0 "Found %1!d! node(s) in clock paths which may be acting as ripple and/or gated clocks -- node(s) analyzed as buffer(s) resulting in clock skew" 0 0 "" 0 0}