PoC.io.7SegmentMux_HEX

This module is a 7 segment display controller that uses time multiplexing to control a common anode for each digit in the display. The shown characters are HEX encoded. A dot per digit is optional.

Entity Declaration:

 1    REFRESH_RATE    : FREQ        := 1 kHz;
 2    DIGITS          : positive    := 4
 3  );
 4  port (
 5    Clock           : in  std_logic;
 6
 7    HexDigits       : in  T_SLVV_4(DIGITS - 1 downto 0);
 8    HexDots         : in  std_logic_vector(DIGITS - 1 downto 0);
 9
10    SegmentControl  : out  std_logic_vector(7 downto 0);
11    DigitControl    : out  std_logic_vector(DIGITS - 1 downto 0)
12  );
13end entity;
14
15
16architecture rtl of io_7SegmentMux_HEX is