URL
https://opencores.org/ocsvn/rs232_interface/rs232_interface/trunk
Subversion Repositories rs232_interface
Compare Revisions
- This comparison shows the changes necessary to convert path
/rs232_interface
- from Rev 4 to Rev 5
- ↔ Reverse comparison
Rev 4 → Rev 5
/trunk/uart.vhd
11,21 → 11,21
entity uart is |
generic ( |
CLK_FREQ : integer := 50; -- Main frequency (MHz) |
SER_FREQ : integer := 9600 -- Baud rate (bps) |
SER_FREQ : integer := 9600 -- Baud rate (bps) |
); |
port ( |
-- Control |
clk : in std_logic; |
rst : in std_logic; |
clk : in std_logic; -- Main clock |
rst : in std_logic; -- Main reset |
-- External Interface |
rx : in std_logic; |
tx : out std_logic; |
rx : in std_logic; -- RS232 received serial data |
tx : out std_logic; -- RS232 transmitted serial data |
-- uPC Interface |
tx_req : in std_logic; |
tx_end : out std_logic; |
tx_data : in std_logic_vector(7 downto 0); |
rx_ready : out std_logic; |
rx_data : out std_logic_vector(7 downto 0) |
tx_req : in std_logic; -- Request SEND of data |
tx_end : out std_logic; -- Data SENDED |
tx_data : in std_logic_vector(7 downto 0); -- Data to transmit |
rx_ready : out std_logic; -- Received data ready to uPC read |
rx_data : out std_logic_vector(7 downto 0) -- Received data |
); |
end uart; |
|