The following sections provide guidance for AFEs involving 16-bit microprocessor obsolescence and integration of 32-bit microprocessors and the Embedded 32 operating system (Emb32). See the AFE, AFD, AFL, and ATG Governance Manual (“Governance Manual”) for additional background and AFE governance procedures. The information below and in the Governance Manual supersedes the former “Microprocessor Obsolescence & AUTOSAR Integration” bulletin (FA-2017-02).