Тактовый сигнал, который распространяется по всему проекту, берется с блока PLL. Он умножен на 4 от значения частоты на соответствующей ножке ПЛИС и теперь все модули внутри ПЛИС работают на частоте 100МГц . Так гарантировано получаем один и тот же синхросигнал во всей схеме. Из книжки ПЛИС Xilinx Тарасова И. Е.;

This commit is contained in:
sokolovstanislav 2024-10-21 18:27:29 +03:00
parent dfe22a8ab2
commit 5de2386bb5

View File

@ -21,7 +21,7 @@ applicable agreement for further details.
(header "graphic" (version "1.4"))
(pin
(input)
(rect 376 160 552 176)
(rect 376 -352 552 -336)
(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
(text "FPGA_CLK" (rect 9 0 65 12)(font "Arial" ))
(pt 176 8)
@ -34,7 +34,7 @@ applicable agreement for further details.
(line (pt 117 12)(pt 121 8))
)
(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
(annotation_block (location)(rect 320 160 368 176))
(annotation_block (location)(rect 320 -352 368 -336))
)
(pin
(input)
@ -2796,10 +2796,6 @@ applicable agreement for further details.
(pt 904 -56)
(bus)
)
(connector
(pt 608 -344)
(pt 664 -344)
)
(connector
(pt 1016 -312)
(pt 928 -312)
@ -2816,18 +2812,6 @@ applicable agreement for further details.
(pt 576 -328)
(pt 576 -312)
)
(connector
(pt 608 -424)
(pt 1536 -424)
)
(connector
(pt 608 -424)
(pt 608 -344)
)
(connector
(pt 608 -344)
(pt 608 -208)
)
(connector
(pt 1656 -424)
(pt 1840 -424)
@ -3064,18 +3048,6 @@ applicable agreement for further details.
(pt 1856 1464)
(bus)
)
(connector
(pt 608 120)
(pt 608 168)
)
(connector
(pt 608 168)
(pt 608 320)
)
(connector
(pt 552 168)
(pt 608 168)
)
(connector
(pt 552 104)
(pt 704 104)
@ -3112,6 +3084,34 @@ applicable agreement for further details.
(pt 720 880)
(pt 552 880)
)
(connector
(pt 608 120)
(pt 608 320)
)
(connector
(pt 608 -424)
(pt 608 -208)
)
(connector
(pt 552 -344)
(pt 664 -344)
)
(connector
(pt 928 -344)
(pt 1016 -344)
)
(connector
(pt 1016 -344)
(pt 1016 -424)
)
(connector
(pt 608 -424)
(pt 1016 -424)
)
(connector
(pt 1016 -424)
(pt 1536 -424)
)
(junction (pt 608 576))
(junction (pt 1000 592))
(junction (pt 984 608))
@ -3140,7 +3140,6 @@ applicable agreement for further details.
(junction (pt 984 1040))
(junction (pt 968 1056))
(junction (pt 952 1072))
(junction (pt 608 168))
(junction (pt 984 56))
(junction (pt 968 72))
(junction (pt 952 88))
@ -3159,7 +3158,6 @@ applicable agreement for further details.
(junction (pt 608 -208))
(junction (pt 904 -128))
(junction (pt 624 -104))
(junction (pt 608 -344))
(junction (pt 608 1256))
(junction (pt 1000 1272))
(junction (pt 984 1288))
@ -3173,3 +3171,4 @@ applicable agreement for further details.
(junction (pt 1488 1008))
(junction (pt 1488 1464))
(junction (pt 608 896))
(junction (pt 1016 -424))