Process Change Notice #1303191

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W7206F1 Process Change Notice Form rev AI

The information contained in this document is PROPRIETARY to Silicon Laboratories, Inc. and shall not be reproduced or used in

part or whole without Silicon Laboratories’ written consent. The document is uncontrolled if printed or electronically saved. Pg 3

Appendix

DOCUMENT CHANGE LIST

Revision 1.4 to Revision 1.5

Added CP2109.

Updated Single-Chip USB to UART Data Transfer bullet on page 1.

Added CP2109 to Ordering Part Numbers on page 1.

Updated Section "1. System Overview" on page 4.

Updated Figure 1.

Added Section "2. Ordering Information" on page 5.

Added Symbol columns to Tables in Section "3.Electrical Specifications" on page 6.

Updated Table 3, added CP2109, Note 1, Note 2.

Updated Table 4, added CP2109, added Baud Rate.

Moved Table 6.

Updated Table 6, added CP2109.

Added Table 7.

Added Table 8.

Updated Table 9, pin 18, Note 1, Note 2.

Updated Figure 2, added CP2109, pin 18.

Updated Section "6. USB Function Controller and Transceiver" on page 14, added CP2109.

Updated Figure 5, added CP2109, Option 5.

Updated Section "8. Internal Programmable ROM" on page 15, added CP2109.

Updated Table 13, added CP2109.

Updated Section "10. Voltage Regulator" on page 17, changed AN144 to AN721.

Added Section "11. Porting Considerations from CP2102 to CP2109" on page 19.

Updated Section "12. Relevant Application Notes" on page 21, replaced AN144/AN205 with AN721.