PARAMETER CONTROL METHOD FOR INTEGRATED CIRCUIT AND INTEGRATED CIRCUIT USING THE SAME

摘要

A parameter control method for an integrated circuit and an integrated circuit using the same are provided. The method includes the steps of: providing a correspondence between 1st to Nth impedance groups and 1st to Nth first settings, wherein each impedance group includes K sub impedances; providing a correspondence between 1st to Kth sub-impedance and 1st to Kth second settings; detecting an impedance from a specific pin of the integrated circuit; comparing an impedance detected from the specific pin of the integrated circuit with the 1st to Nth impedance sets to find a corresponding specific impedance set to select a specific first setting; comparing the impedance detected from the specific pin of the integrated circuit with the 1st to Kth sub-impedance of the specific impedance set to select a specific second setting; and operating the integrated circuit according to the specific first setting and the specific second setting.

主权项

1. A parameter control method, adapted for control internal parameters of an integrated circuit without increasing its pin counts, wherein the method comprises:
providing a corresponding relationship between a first to Nth impedance sets and a first to Nth first settings, wherein each impedance set comprises K sub-impedances; providing a corresponding relationship between a first to Kth sub-impedances and a first to Kth second settings; detecting an impedance of a specific pin; finding a specific impedance set by comparing the detected impedance of the specific pin with the first to Nth impedance sets to select a specific first setting; finding a specific sub-impedance by comparing the detected impedance of the specific pin with the first to Kth sub-impedances of the specific impedance set to select a specific second setting; and operating the integrated circuit according to the specific first setting and the specific second setting, wherein N and K are natural numbers.