EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this registration statement on Form S-8 of our reports contained in the following Level One Communications, Incorporated's filings: REPORT DATE FILING March 13, 1998 Form 10-K; Year ended December 28, 1997 December 9, 1998 Form 8-K/A; Filed on December 16, 1998 February 2, 1999 Form 8-K/A; Filed on February 3, 1999 We also consent to all references to our Firm included in this registration statement. By: /s/ ARTHUR ANDERSEN LLP Sacramento, California February 3, 1999