公开(公告)号：US09847869B1

公开(公告)日：2017-12-19

申请号：US15210204

申请日：2016-07-14

Applicant: Integrated Device Technology, Inc.

Inventor： Chung-Yu Wu ,  Wei-Ching Chan ,  John Hsu ,  Cheng Wen Hsiao

IPC: H03D3/24 ,  H04L7/033 ,  H04L12/70

CPC classification number: H03L7/104 ,  H03L7/183 ,  H04L2012/5681

Abstract: A frequency synthesizer with microcode control that allows one or more programmable circuits of a frequency synthesizer system to be programmed using a plurality of microcode instructions. A method includes, setting a frequency synthesizer system to operate in a microcode mode, programming the frequency synthesizer system for microcode execution of a plurality of microcode instructions and executing the plurality of microcode instructions at the frequency synthesizer system to control one or more behaviors of one or more programmable circuits of the frequency synthesizer system.