_primary.vhd

使用Libero提供的异步通信IP核实现UART通信

library verilog;
use verilog.vl_types.all;
entity UartIP is
    port(
        DATA_TRF_c      : in     vl_logic_vector(7 downto 0);
        data_out_reg    : out    vl_logic_vector(7 downto 0);
        PLL_33M         : in     vl_logic;
        RST_c           : in     vl_logic;
        WE_c            : in     vl_logic;
        TX_c            : out    vl_logic;
        TXRDY           : out    vl_logic;
        RX_c            : in     vl_logic;
        RXRDY           : out    vl_logic;
        RE_c            : in     vl_logic
    );
end UartIP;