Control module comprising a ROM with reduced electrical consumption
AssigneeSemtech Neuchatel SA
InventorPhilippe Mosch
Life of this patent
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Abstract
A control module (1) having the following elements: a read-only memory (ROM 2), a temporary buffer (6), into which the data of said ROM (2) can be transferred in order to be accessible from outside the control module, a read controller (3), for selecting at each cycle the portions of said ROM transferred into said temporary buffer, wherein the portions selected by said read controller (3) depend on the contents of said ROM. One advantage of the invention is the reduction of the electric consumption, since the ROM does not have to be read when the data are already available in the temporary buffer.
Claims18
A control module, comprising the following elements:
- a read-only memory (ROM),
- a temporary buffer, into which the data of said ROM can be transferred in order to be accessible from outside the control module,
- a read controller, for selecting at each cycle portions of said ROM transferred into said temporary buffer, wherein the selected portions depend on the contents of said ROM.
Read-only memory in which is stored a sequence of instructions for a data path in a microprocessor, wherein a portion of each instruction indicates whether at least one portion of the following instruction in said sequence is identical or whether it must be re-read.
Dependencies are inferred from the claim text.