ɐn ɛmbˈɛdᵻd sˈɪstəm wʊd nˈoːɹməli jˈuːs ˌoʊvɚlˈeɪz bɪkˈʌz ʌvðə lˌɪmɪtˈeɪʃən ʌv fˈɪzɪkəl mˈɛmɚɹi, wˌɪtʃ ɪz ɪntˈɜːnəl mˈɛmɚɹi fɚɹə sˈɪstəmˌɔntʃˈɪp, ænd ðə lˈæk ʌv vˈɜːtʃuːəl mˈɛmɚɹi fəsˈɪlᵻɾiz.
An embedded system would normally use overlays because of the limitation of physical memory, which is internal memory for a system-on-chip, and the lack of virtual memory facilities.