Process Change Notice #1211201

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W7206F1 Process Change Notice Form rev AH

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PCN Date: 11/20/2012

Effective Date: 2/26/2013

Title: SiM3U1xx and SiM3C1xx Datasheet v1.0 Availablity

Originator: Shahram Tadayon

Phone: 512 428 1698

Dept: Marketing

Customer Contact: Kathy Haggar

Phone: 512 532 5261

Dept: Sales

PCN Type:

Datasheet

Foundry

Packing

Product Revision

Assembly

Labeling

Discontinuance

Test

Other

Last Order Date: Not Applicable

PCN Details

Description of Change:

Version 1.0 of the SiM3U1xx and SiM3C1xx datasheets and Reference Manual are now available. This

update applies to the SiM3U1xx family of 32-bit USB MCUs and SiM3C1xx family of 32-bit broad

based MCUs, including all parts beginning with the SiM3U1 and SiM3C1 base part number.

See Appendix for complete description of the changes.

The SiM3U1xx and SiM3C1xx 1.0 datasheets are available at www.silabs.com

This change also includes an improvement in Moisture Sensitivity Level (MSL) from level 3 to level 2

for the 80 TQFP, 64 TQFP, 64 QFN, and 40 QFN package options.

Reason for Change:

The SiM3U1xx and SiM3C1xx v1.0 datasheets includes minor updates, additions and corrections to

the specifications and text descriptions, as noted in the Appendix. The MSL change includes an

improved manufacturing exposure time. These changes were made based on completion of device

characterization and release to full production.

Impact on Form, Fit, Function, Quality, Reliability:

There is no impact on form, fit, quality and reliability. Functional changes were made to the

DEVICEID0 registers to enhance device identification information.