LED Sequence Controller

Beginner

00:00

Specification

01General Operation

The controller manages an LED with 3 modes: off, blinking, and steady on. Transitions are triggered by button: OFF → BLINK → ON → OFF. In blink mode, the LED toggles with a half-period of G_HALF cycles.

Reset is asynchronous and active-high.

Generic G_HALF (default 25,000,000) for the blink half-period
State machine based design

02Interface

i_clk

Direction: Input
Width: 1 bit
Description: System clock

i_reset

Direction: Input
Width: 1 bit
Description: Active-high async reset

i_btn

Direction: Input
Width: 1 bit
Description: Advance button

o_led

Direction: Output
Width: 1 bit
Description: LED output

← Watchdog Timer

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