Addendum To Co-development Dated June 21, 1999

EXHIBIT 10.14


Addendum to Co-Development Agreement
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This Addendum to the Co-Development Agreement (the "Addendum Agreement") is dated and effective as of June 21, 1999 and is by and between Mitsubishi Electric Corporation acting through its Communication Systems Business Division, a corporation registered and organized under the laws of Japan, having its office at 8-1-1, Tsukaguchi-Honmachi, Amagasaki City, Hyogo 661, Japan. ("Mitsubishi"), and Centillium Technology Corporation, a corporation organized under the laws of the state of California. U.S.A., and having an address at 46531 Fremont Blvd, Fremont, California. 94538, U.S.A. ("Centillium").


The purpose of this Addendum Agreement is to be included as an addendum to the Co-Development Agreement Between Centillium Technology Corporation and Mitsubishi Electric Corporation signed on October 15th, 1997 (the "Co- Development Agreement").


1. This Addendum Agreement reduces to writing in whole, all the verbal
agreements made between both parties in connection with development and
support of G.992.2 Annex C.


2. Centillium agrees to make available to Mitsubishi, the CopperLite Annex C
product at prices to be agreed upon between both parties. Centillium's Annex
C products for Central office are known by system part number of CT-
L40DC04&CT-L40AC04 and its Annex C CPE products are known by system part
number of CT-L40DT01 & CTL40AT01. Each system part number is comprised of an
analog device, digital devices and two software components for Annex C. Both
these software components are required for operations of annex C. A detail
description is shown in table below.


--------------------------------------------------------------------------- Digital CPE Rev AC-4 ports CT-L41DT01-IL-AC ------------------------------------------------- ...