X0101 EFFECT 33 LIVE 2011-07-28 16:15:00

S-4

0001272547 FREESCALE SEMICONDUCTOR INC 333-175290 0001392522 Freescale Semiconductor Holdings I, Ltd. 333-175290-06 0001392521 Freescale Semiconductor Holdings II, Ltd. 333-175290-05 0001392520 Freescale Semiconductor Holdings III, Ltd. 333-175290-04 0001392519 Freescale Semiconductor Holdings IV, Ltd. 333-175290-03 0001392517 Freescale Semiconductor Holdings V, Inc. 333-175290-02 0001043639 SigmaTel, LLC 333-175290-01