Exhibit 23.2 CONSENT OF INDEPENDENT AUDITORS We consent to the use of, or reference to, our reports with respect to the financial statements of the following Companies: Date of Report Name of Company - -------------------- -------------------------------------------- July 17, 2002 United Microelectronics Corporation January 18, 2002 United Microelectronics Corporation January 15, 2000 United Silicon Incorporated January 19, 2000 UTEK Semiconductor Corporation January 24, 2000 Unipac Optoelectronics Corporation January 11, 2000 Novatek Microelectronics Corporation January 11, 2000 Mediatek Incorporation January 14, 2000 Integrated Technology Express Incorporation January 22, 2000 Hsun Chieh Investment Co., Ltd. January 12, 2000 Faraday Technology Corporation January 15, 2000 United Integrated Circuits Corporation January 7, 2000 AMIC Technology (Taiwan) Incorporation All are used or referred to in the Form S-8 to be filed by United Microelectronics Corporation. /s/ Diwan, Ernst & Young - ------------------------ Diwan, Ernst & Young Taipei, Taiwan, Republic of China January 21, 2003