The TMS320C54x is a fixed-point digital signal processor (DSP) in the TMS320 family. This book, the first volume of a 5-volume set, serves as a reference for the TMS320C54x DSP and provides information for developing hardware and software applications using the ’54x. Unless otherwise specified, all references to the ’54x apply to the TMS320C54x, the TMS320LC54x, and the TMS320VC54x.