在看赛林思官网上一个同步模块的代码时，有点看不懂，请问如下的一个process代表什么电路？谢谢
--
-- Synchronize the INCREMENT_BUFFER_COUNT signal to the READ clock and one shot it
--
process (RD_CLK, RESET)
begin
if RESET='1' then
INCREMENT_BCOUNT_METASTABLE <= '0';
INCREMENT <= '0';
elsif RD_CLK='1' and RD_CLK'event then
INCREMENT_BCOUNT_METASTABLE <= (INCREMENT_BCOUNT_CAPTURED and (not INCREMENT));
INCREMENT <= (INCREMENT_BCOUNT_METASTABLE and (not INCREMENT));
end if;
end process; |
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