Prepared by R.R. Donnelley Financial -- Consent of Ernst & Young LLP

We consent to the incorporation by reference in the Registration Statements (Form S-3 No. 333-35404 and Form S-3 No. 333-46586) pertaining to the registration of shares of Applied Micro Circuits Corporation Common Stock and in the various registration statements on Form S-8 of our report dated April 22, 2002, with respect to the consolidated financial statements and schedule of Applied Micro Circuits Corporation included in the Annual Report on Form 10-K for the year ended March 31, 2002.