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<FONT SIZE=4><P ALIGN="CENTER">__________________________________________________________________</P>


<B><P ALIGN="CENTER"></P>


<P ALIGN="CENTER">UNITED STATES</P>


<P ALIGN="CENTER">SECURITIES AND EXCHANGE COMMISSION</B> </P>


</FONT><B><FONT SIZE=2><P ALIGN="CENTER">Washington, D.C. 20549<BR>


_______________</B> </P>


</FONT><B><FONT SIZE=5><P ALIGN="CENTER">Form&nbsp;8-K</B> </P>


</FONT><B><FONT SIZE=2><P ALIGN="CENTER"></P>


<P ALIGN="CENTER">CURRENT REPORT<BR>


PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</B> </P>


<P ALIGN="CENTER"></P>


<P ALIGN="CENTER">Date of report (date of earliest event reported):  <B>February 1, 2005 (January 26, 2005)</B><BR>


</P>


</FONT><B><FONT SIZE=5><P ALIGN="CENTER">SigmaTel, Inc.</B></FONT><FONT SIZE=2><BR>


(Exact name of registrant as specified in its charter) </P></FONT>


<P ALIGN="CENTER"><CENTER><TABLE CELLSPACING=0 BORDER=0 WIDTH=592>


<TR><TD WIDTH="31%" VALIGN="BOTTOM">


<FONT SIZE=2><P>&nbsp;</FONT></TD>


<TD WIDTH="3%" VALIGN="BOTTOM">


<FONT SIZE=2><P>&nbsp;</FONT></TD>


<TD WIDTH="31%" VALIGN="BOTTOM">


<FONT SIZE=2><P>&nbsp;</FONT></TD>


<TD WIDTH="3%" VALIGN="BOTTOM">


<FONT SIZE=2><P>&nbsp;</FONT></TD>


<TD WIDTH="31%" VALIGN="BOTTOM">


<FONT SIZE=2><P>&nbsp;</FONT></TD>


</TR>


<TR><TD WIDTH="31%" VALIGN="TOP">


<B><FONT SIZE=2><P ALIGN="CENTER">Delaware</B></FONT></TD>


<TD WIDTH="3%" VALIGN="BOTTOM">


<FONT SIZE=2><P>&nbsp;</FONT></TD>


<TD WIDTH="31%" VALIGN="TOP">


<B><FONT SIZE=2><P ALIGN="CENTER">000-50391</B> </FONT></TD>


<TD WIDTH="3%" VALIGN="BOTTOM">


<FONT SIZE=2><P>&nbsp;</FONT></TD>


<TD WIDTH="31%" VALIGN="TOP">


<B><FONT SIZE=2><P ALIGN="CENTER">74-2691412</B></FONT></TD>


</TR>


<TR><TD WIDTH="31%" VALIGN="TOP">


<FONT SIZE=2><P ALIGN="CENTER">(State or other jurisdiction of incorporation) </FONT></TD>


<TD WIDTH="3%" VALIGN="BOTTOM">


<FONT SIZE=2><P>&nbsp;</FONT></TD>


<TD WIDTH="31%" VALIGN="TOP">


<FONT SIZE=2><P ALIGN="CENTER">(Commission File No.) </FONT></TD>


<TD WIDTH="3%" VALIGN="BOTTOM">


<FONT SIZE=2><P>&nbsp;</FONT></TD>


<TD WIDTH="31%" VALIGN="TOP">


<FONT SIZE=2><P ALIGN="CENTER">(I.R.S. Employer Identification No.)</FONT></TD>


</TR>


</TABLE>


</CENTER></P>





<B><FONT SIZE=2><P ALIGN="CENTER"></P>


<P ALIGN="CENTER">1601 South MoPac Expressway&#9;&#9;&#9;&#9;&#9;</P>


<P ALIGN="CENTER">Suite 100&#9;&#9;&#9;&#9;&#9;</P>


<P ALIGN="CENTER">Austin, Texas &#9;&#9;&#9;&#9;&#9;78746</B><BR>


(Address of principal executive offices)&#9;&#9;&#9;(Zip Code)&#9;</P>


<P ALIGN="CENTER"></P>


<P ALIGN="CENTER">Registrant's telephone number, including area code:<BR>


<B> (512)&nbsp;381-3700</P>


</B><P> </P>


</FONT><FONT FACE="TimesNewRoman" SIZE=2><P>Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</P>


<P>[   ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>


<P>[   ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>


<P>[   ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>


<P>[   ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>


</FONT><FONT SIZE=4><P ALIGN="CENTER">__________________________________________________________________</P>


</FONT><FONT FACE="TimesNewRoman" SIZE=2>


</FONT><B><FONT SIZE=3><P>Item 1.01          </FONT><FONT FACE="TimesNewRoman,Bold" SIZE=2>Entry into a Material Definitive Agreement.</P>


</FONT><FONT SIZE=3>


</B></FONT><FONT SIZE=2><P>On January 26, 2005, the Compensation Committee of the Board of Directors of SigmaTel, Inc. (the &quot;Committee&quot;) adopted an Incentive Bonus Plan (the &quot;Plan&quot;) to provide certain eligible full-time senior employees of SigmaTel an opportunity to participate in an incentive bonus program.  The Plan establishes the criteria, allocations, methodologies and metrics for the payment of quarterly and annual cash bonuses to the participants based on the successful completion of specific performance goals and company objectives as established by the Committee for each quarter of fiscal 2005 and for the full 2005 fiscal year.  These performance goals and company objectives include annual revenue and operating profit goals, the implementation of diversification strategies, specific design wins, quarterly revenue and earnings per share goals, and recruitment and staffing goals.  The foregoing description of the Plan does not purport to be complete and is qualified in its entirety by reference to the complete text of the Plan, which is filed as Exhibit 10.1 hereto and is incorporated herein by reference.</P>


<P ALIGN="CENTER"></P>


<P>&nbsp;</P>


</FONT><B><FONT SIZE=3><P>Item 9.01          </FONT><FONT SIZE=2>Financial Statements and Exhibits.</P>


</B><P>(c) Exhibits.</P><DIR>


<DIR>


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<DIR>


<DIR>


<DIR>


<DIR>


<DIR>





<P>10.1          Incentive Bonus Plan</P>


</FONT><B><FONT FACE="TimesNewRoman,Bold" SIZE=2></DIR>


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</B></FONT><FONT SIZE=4><P ALIGN="CENTER">__________________________________________________________________</P>


</FONT><B><FONT FACE="TimesNewRoman,Bold" SIZE=2>


<P ALIGN="CENTER">SIGNATURES</P>


</B></FONT><FONT FACE="TimesNewRoman" SIZE=2>


</FONT><FONT SIZE=2><P>Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</P>


</FONT><FONT FACE="TimesNewRoman" SIZE=2><P>Date:    February 1, 2005</P>


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<B><P>SIGMATEL, INC.</P>


</B>


<P>&nbsp;</P>


<P>&nbsp;</P>


<P>By:&#9;<U>  /S/Alan D. Green&#9;</P>


<P>Alan D. Green</U> </P>


<P>Vice President and General Counsel</P>





<P>&nbsp;</P>


<P>Exhibit List</P></DIR>


</DIR>


</DIR>


</DIR>


</DIR>


</DIR>


</DIR>


</DIR>


</DIR>


</DIR>


</DIR>


</DIR>


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{"company-data": {"conformed-name": "SIGMATEL INC", "cik": "0001043639", "assigned-sic": "3674", "irs-number": "742691412", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-50391", "film-number": "05566905"}, "business-address": {"street1": "3815 SOUTH CAPITAL OF TEXAS HIGHWAY", "street2": "SUITE 300, BUILDING 3", "city": "AUSTIN", "state": "TX", "zip": "78704", "phone": "512-381-3700"}, "mail-address": {"street1": "3815 SOUTH CAPITAL OF TEXAS HWY", "street2": "SUITE 300 BLDG 3", "city": "AUSTIN", "state": "TX", "zip": "78704"}}
__________________________________________________________________
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
_______________
Form 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
Date of report (date of earliest event reported):
February 1, 2005 (January 26, 2005)
SigmaTel, Inc.
(Exact name of registrant as specified in its charter)
Delaware
000-50391
74-2691412
(State or other jurisdiction of incorporation)
(Commission File No.)
(I.R.S. Employer Identification No.)
1601 South MoPac Expressway
Suite 100
Austin, Texas 					78746
(Address of principal executive offices)			(Zip Code)
Registrant's telephone number, including area code:
(512) 381-3700
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
[   ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[   ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[   ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[   ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
__________________________________________________________________
Item 1.01
Entry into a Material Definitive Agreement.
On January 26, 2005, the Compensation Committee of the Board of Directors of SigmaTel, Inc. (the "Committee") adopted an Incentive Bonus Plan (the "Plan") to provide certain eligible full-time senior employees of SigmaTel an opportunity to participate in an incentive bonus program.  The Plan establishes the criteria, allocations, methodologies and metrics for the payment of quarterly and annual cash bonuses to the participants based on the successful completion of specific performance goals and company objectives as established by the Committee for each quarter of fiscal 2005 and for the full 2005 fiscal year.  These performance goals and company objectives include annual revenue and operating profit goals, the implementation of diversification strategies, specific design wins, quarterly revenue and earnings per share goals, and recruitment and staffing goals.  The foregoing description of the Plan does not purport to be complete and is qualified in its entirety by reference to the complete text of the Plan, which is filed as Exhibit 10.1 hereto and is incorporated herein by reference.
Item 9.01
Financial Statements and Exhibits.
(c) Exhibits.
10.1          Incentive Bonus Plan
__________________________________________________________________
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date:    February 1, 2005
SIGMATEL, INC.
By:
/S/Alan D. Green
Alan D. Green
Vice President and General Counsel
Exhibit List