PoC.io.uart.tx

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UART Transmitter: 1 Start + 8 Data + 1 Stop

Entity Declaration:

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entity uart_tx is
  port (
    -- Global Control
    clk : in std_logic;
    rst : in std_logic;
    
    -- Bit Clock and TX Line
    bclk : in  std_logic;  -- bit clock, one strobe each bit length
    tx   : out std_logic;
    
    -- Byte Stream Input
    di  : in  std_logic_vector(7 downto 0);
    put : in  std_logic;
    ful : out std_logic
  );
end entity;