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77 Introduction to the TMS320 Family of Digital Signal Processors

Since its introduction in 1982 with the TMS32010 processor, the TMS320 family of DSPs has been exceedingly popular. | Papamichalis P. Introduction to the TMS320 Family of Digital Signal Processors Digital Signal Processing Handbook Ed. Vijay K. Madisetti and Douglas B. Williams Boca Raton CRC Press LLC 1999 1999 by CRC Press LLC 77 Introduction to the TMS320 Family of Digital Signal Processors Panos Papamichalis Texas Instruments 77.1 Introduction 77.2 Fixed-Point Devices TMS320C25 Architecture and Fundamental Features 77.3 TMS320C25 Memory Organization and Access 77.4 TMS320C25 Multiplier and ALU 77.5 Other Architectural Features of the TMS320C25 77.6 TMS320C25 Instruction Set 77.7 Input Output Operations of the TMS320C25 77.8 Subroutines Interrupts and Stack on the TMS320C25 77.9 Introduction to the TMS320C30 Digital Signal Processor 77.10 TMS320C30 Memory Organization and Access 77.11 Multiplier and ALU of the TMS320C30 77.12 Other Architectural Features of the TMS320C30 77.13 TMS320C30 Instruction Set 77.14 Other Generations and Devices in the TMS320 Family References This article discusses the architecture and the hardware characteristics of the TMS320 family of Digital Signal Processors. The TMS320 family includes several generations of programmable processors with several devices in each generation. Since the programmable processors are split between fixed-point and floating-point devices both categories are examined in some detail. The TMS320C25 serves here as a simple example for the fixed-point processor family while the TMS320C30 is used for the floating-point family. 77.1 Introduction Since its introduction in 1982 with the TMS32010 processor the TMS320 family of DSPs has been exceedingly popular. Different members of this family were introduced to address the existing needs for real-time processing but then designers capitalized on the features of the devices to create solutions and products in ways never imagined before. In turn these innovations fed the architectural and hardware configurations of newer generations of devices. Digital Signal Processing encompasses a