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-3 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 the references to our Firm included in the registration
statement.
 
By: /s/ ARTHUR ANDERSEN LLP
 
Sacramento, California
February 3, 1999