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Commit a731b6d1 authored by Wesley W. Terpstra's avatar Wesley W. Terpstra
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altera plls: use low bandwidth mode for less jitter on clocks

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platform/altera/dmtd_pll/dmtd_pll.vhd
+ 4
− 4
View file @ a731b6d1
......@@ -138,7 +138,7 @@ BEGIN
altpll_component : altpll
GENERIC MAP (
bandwidth_type => "AUTO",
bandwidth_type => "LOW",
clk0_divide_by => 8,
clk0_duty_cycle => 50,
clk0_multiply_by => 25,
......@@ -213,8 +213,8 @@ END SYN;
-- Retrieval info: PRIVATE: BANDWIDTH_FEATURE_ENABLED STRING "1"
-- Retrieval info: PRIVATE: BANDWIDTH_FREQ_UNIT STRING "MHz"
-- Retrieval info: PRIVATE: BANDWIDTH_PRESET STRING "Low"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_AUTO STRING "1"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_PRESET STRING "0"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_AUTO STRING "0"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_PRESET STRING "1"
-- Retrieval info: PRIVATE: CLKBAD_SWITCHOVER_CHECK STRING "0"
-- Retrieval info: PRIVATE: CLKLOSS_CHECK STRING "0"
-- Retrieval info: PRIVATE: CLKSWITCH_CHECK STRING "0"
......@@ -287,7 +287,7 @@ END SYN;
-- Retrieval info: PRIVATE: USE_MIL_SPEED_GRADE NUMERIC "0"
-- Retrieval info: PRIVATE: ZERO_DELAY_RADIO STRING "0"
-- Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all
-- Retrieval info: CONSTANT: BANDWIDTH_TYPE STRING "AUTO"
-- Retrieval info: CONSTANT: BANDWIDTH_TYPE STRING "LOW"
-- Retrieval info: CONSTANT: CLK0_DIVIDE_BY NUMERIC "8"
-- Retrieval info: CONSTANT: CLK0_DUTY_CYCLE NUMERIC "50"
-- Retrieval info: CONSTANT: CLK0_MULTIPLY_BY NUMERIC "25"
......
platform/altera/ref_pll/ref_pll.vhd
+ 4
− 4
View file @ a731b6d1
......@@ -138,7 +138,7 @@ BEGIN
altpll_component : altpll
GENERIC MAP (
bandwidth_type => "AUTO",
bandwidth_type => "LOW",
clk0_divide_by => 1,
clk0_duty_cycle => 50,
clk0_multiply_by => 1,
......@@ -213,8 +213,8 @@ END SYN;
-- Retrieval info: PRIVATE: BANDWIDTH_FEATURE_ENABLED STRING "1"
-- Retrieval info: PRIVATE: BANDWIDTH_FREQ_UNIT STRING "MHz"
-- Retrieval info: PRIVATE: BANDWIDTH_PRESET STRING "Low"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_AUTO STRING "1"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_PRESET STRING "0"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_AUTO STRING "0"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_PRESET STRING "1"
-- Retrieval info: PRIVATE: CLKBAD_SWITCHOVER_CHECK STRING "0"
-- Retrieval info: PRIVATE: CLKLOSS_CHECK STRING "0"
-- Retrieval info: PRIVATE: CLKSWITCH_CHECK STRING "0"
......@@ -287,7 +287,7 @@ END SYN;
-- Retrieval info: PRIVATE: USE_MIL_SPEED_GRADE NUMERIC "0"
-- Retrieval info: PRIVATE: ZERO_DELAY_RADIO STRING "0"
-- Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all
-- Retrieval info: CONSTANT: BANDWIDTH_TYPE STRING "AUTO"
-- Retrieval info: CONSTANT: BANDWIDTH_TYPE STRING "LOW"
-- Retrieval info: CONSTANT: CLK0_DIVIDE_BY NUMERIC "1"
-- Retrieval info: CONSTANT: CLK0_DUTY_CYCLE NUMERIC "50"
-- Retrieval info: CONSTANT: CLK0_MULTIPLY_BY NUMERIC "1"
......
platform/altera/sys_pll/sys_pll.vhd
+ 4
− 4
View file @ a731b6d1
......@@ -170,7 +170,7 @@ BEGIN
altpll_component : altpll
GENERIC MAP (
bandwidth_type => "AUTO",
bandwidth_type => "LOW",
clk0_divide_by => 1,
clk0_duty_cycle => 50,
clk0_multiply_by => 1,
......@@ -261,8 +261,8 @@ END SYN;
-- Retrieval info: PRIVATE: BANDWIDTH_FEATURE_ENABLED STRING "1"
-- Retrieval info: PRIVATE: BANDWIDTH_FREQ_UNIT STRING "MHz"
-- Retrieval info: PRIVATE: BANDWIDTH_PRESET STRING "Low"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_AUTO STRING "1"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_PRESET STRING "0"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_AUTO STRING "0"
-- Retrieval info: PRIVATE: BANDWIDTH_USE_PRESET STRING "1"
-- Retrieval info: PRIVATE: CLKBAD_SWITCHOVER_CHECK STRING "0"
-- Retrieval info: PRIVATE: CLKLOSS_CHECK STRING "0"
-- Retrieval info: PRIVATE: CLKSWITCH_CHECK STRING "0"
......@@ -383,7 +383,7 @@ END SYN;
-- Retrieval info: PRIVATE: USE_MIL_SPEED_GRADE NUMERIC "0"
-- Retrieval info: PRIVATE: ZERO_DELAY_RADIO STRING "0"
-- Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all
-- Retrieval info: CONSTANT: BANDWIDTH_TYPE STRING "AUTO"
-- Retrieval info: CONSTANT: BANDWIDTH_TYPE STRING "LOW"
-- Retrieval info: CONSTANT: CLK0_DIVIDE_BY NUMERIC "1"
-- Retrieval info: CONSTANT: CLK0_DUTY_CYCLE NUMERIC "50"
-- Retrieval info: CONSTANT: CLK0_MULTIPLY_BY NUMERIC "1"
......
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