Control circuit for controlling light emitting element
AssigneeASMedia Technology Inc.
InventorYu Yi Hsiao
Life of this patent
Estimating the term…
Abstract
Provided is a control circuit for controlling a light emitting element. The control circuit includes a memory circuit, an operation circuit, and a timer. The operation circuit calculates a unit period according to a set frequency and a quantity of scales of a duty cycle, and generates a unit count value according to an operation frequency and the unit period. The operation circuit stores the unit count value in the memory circuit. The timer controls the operation circuit to generate a control signal according to the unit count value stored in the memory circuit. The operation circuit controls the light emitting element using the control signal. The operation frequency is higher than the set frequency.
Claims12
A control circuit for controlling a light emitting element, comprising:
- a memory circuit;
- an operation circuit coupled to the memory circuit, and configured to receive a set frequency and a quantity of scales of a duty cycle, to calculate a unit period according to the set frequency and the quantity of scales, to generate a unit count value according to an operation frequency and the unit period, and to store the unit count value in the memory circuit;
- and
- a timer coupled to the operation circuit, and configured to control the operation circuit to generate a control signal according to the unit count value stored in the memory circuit,
- wherein the operation circuit controls the light emitting element using the control signal, and
- the operation frequency is higher than the set frequency.
Dependencies are inferred from the claim text.