PoC.io.uart.rxΒΆ

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UART Receiver: 1 Start + 8 Data + 1 Stop

Entity Declaration:

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entity uart_rx is
  generic (
    SYNC_DEPTH : natural := 2  -- use zero for already clock-synchronous rx
  );
  port (
    -- Global Control
    clk : in std_logic;
    rst : in std_logic;

    -- Bit Clock and RX Line
    bclk_x8 : in std_logic;   -- bit clock, eight strobes per bit length
    rx      : in std_logic;

    -- Byte Stream Output
    do  : out std_logic_vector(7 downto 0);
    stb : out std_logic
  );
end entity;