PoC.io.TimingCounter
This down-counter can be configured with a TIMING_TABLE (a ROM), from which
the initial counter value is loaded. The table index can be selected by
Slot. Timeout is a registered output. Up to 16 values fit into one ROM
consisting of log2ceilnz(imax(TIMING_TABLE)) + 1 6-input LUTs.
Entity Declaration:
1 generic (
2 TIMING_TABLE : T_NATVEC -- timing table
3 );
4 port (
5 Clock : in std_logic; -- clock
6 Enable : in std_logic; -- enable counter
7 Load : in std_logic; -- load Timing Value from TIMING_TABLE selected by slot
8 Slot : in natural range 0 to (TIMING_TABLE'length - 1); --
9 Timeout : out std_logic -- timing reached
10 );
11end entity;