blob: 1f3d77e38f55ef5bd9c70bc734b064daf99c363b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
library ieee;
use ieee.std_logic_1164.all;
use IEEE.NUMERIC_STD.all;
library UNISIM;
use UNISIM.vcomponents.all;
entity tmds_phy_spartan6 is
port (
reset : in std_logic;
pclk_x2 : in std_logic;
ioclk : in std_logic;
serdesstrobe : in std_logic;
din : in std_logic_vector(9 downto 0);
upper : in std_logic;
tmds_out_p : out std_logic;
tmds_out_n : out std_logic
);
end tmds_phy_spartan6;
architecture beh of tmds_phy_spartan6 is
signal din_s : std_logic_vector(9 downto 0);
signal p5_n : std_logic_vector(4 downto 0);
signal p5 : std_logic_vector(4 downto 0);
signal s : std_logic;
begin
process (pclk_x2)
begin
if rising_edge(pclk_x2) then
if upper = '1' then
din_s <= din;
p5 <= din_s(9 downto 5);
p5_n <= din_s(4 downto 0);
else
p5 <= p5_n;
end if;
end if;
end process;
serdes : entity work.serdes_n_to_1_spartan6
generic map(SF => 5)
port map (
ioclk => ioclk,
serdesstrobe => serdesstrobe,
reset => reset,
gclk => pclk_x2,
datain => p5,
iob_data_out => s
);
obuf : OBUFDS
generic map (IOSTANDARD => "TMDS_33")
port map (
I => s,
O => tmds_out_p,
OB => tmds_out_n
);
end beh;
|