Description: On easy fpga development board led digital tube-driven
- Input: Control side ctrl_digin [2:0] a total of three, that (0 to 7) control 8 digital strobe,
- Data terminal dig_dtin [3:0] a total of four, said (0 ~ F) control the number of digital display
- Control the clock for clock synchronization clk_dig a
- Output: Displays dig_dtout [6:0] a total of seven, control A, B, C, D, E, F, G [6:0] decimal point is not included
- Control bits ctrl_digout [7:0] of eight, at any time only one high that only a digital display, for a total of anode
- Requirements: Input signal: ctrl_digin, dig_dtout, clk_dig must be stable
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digitron_driver.vhd
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