Introduction This document describes the known exceptions to the functional specifications for the TMS320C550x devices (i.e., TMS320C5505, and TMS320C5504). For more detailed information on these devices, see the device-specific data manual: • TMS320C5504 Fixed-Point Digital Signal Processor data manual (Literature Number SPRS659) • TMS320C5505 Fixed-Point Digital Signal Processor data manual (Literature Number SPRS660) Throughout this document, unless otherwise specified, TMS320C550x and C550x, refer to the TMS320C5505, and TMS320C5504 devices. The advisory numbers in this document are not sequential. Some advisory numbers have been moved to the next revision and others have been removed and documented in the user's guide. When items are moved or deleted, the remaining numbers remain the same and are not resequenced.