1 -- IDDR2: Input Double Data Rate Input Register with Set, Reset
2 -- and Clock Enable.
3 -- Spartan-3A
4 -- Xilinx HDL Language Template, version 14.1
5
6 IDDR2_inst : IDDR2
7 generic map(
8 DDR_ALIGNMENT => "NONE", -- Sets output alignment to "NONE", "C0", "C1"
9 INIT_Q0 => '0', -- Sets initial state of the Q0 output to '0' or '1'
10 INIT_Q1 => '0', -- Sets initial state of the Q1 output to '0' or '1'
11 SRTYPE => "SYNC") -- Specifies "SYNC" or "ASYNC" set/reset
12 port map (
13 Q0 => Q0, -- 1-bit output captured with C0 clock
14 Q1 => Q1, -- 1-bit output captured with C1 clock
15 C0 => C0, -- 1-bit clock input
16 C1 => C1, -- 1-bit clock input
17 CE => CE, -- 1-bit clock enable input
18 D => D, -- 1-bit data input
19 R => R, -- 1-bit reset input
20 S => S -- 1-bit set input
21 );
1 -- ODDR2: Output Double Data Rate Output Register with Set, Reset
2 -- and Clock Enable.
3 -- Spartan-3A
4 -- Xilinx HDL Language Template, version 14.1
5
6 ODDR2_inst : ODDR2
7 generic map(
8 DDR_ALIGNMENT => "NONE", -- Sets output alignment to "NONE", "C0", "C1"
9 INIT => '0', -- Sets initial state of the Q output to '0' or '1'
10 SRTYPE => "SYNC") -- Specifies "SYNC" or "ASYNC" set/reset
11 port map (
12 Q => Q, -- 1-bit output data
13 C0 => C0, -- 1-bit clock input
14 C1 => C1, -- 1-bit clock input
15 CE => CE, -- 1-bit clock enable input
16 D0 => D0, -- 1-bit data input (associated with C0)
17 D1 => D1, -- 1-bit data input (associated with C1)
18 R => R, -- 1-bit reset input
19 S => S -- 1-bit set input
20 );