TMS320LC549 Datasheet | Texas Instruments

TMS320C54x, TMS320LC54x, TMS320VC54x FIXED-POINT DIGITAL SIGNAL PROCESSORS D Advanced Multibus Architecture With Three Separate 16-Bit Data Memory Buses and One Program Memory Bus D 40-Bit Arithmetic Logic Unit (ALU) Including a 40-Bit Barrel Shifter and Two Independent 40-Bit Accumulators D 17- × 17-Bit Parallel Multiplier Coupled to a 40-Bit Dedicated Adder for Non-Pipelined Single-Cycle Multiply/Accumulate (MAC) Operation D pare, Select, and Store Unit (CSSU) for the Add/pare Selection of the Viterbi Operator D Exponent Encoder to pute an Exponent Value of a 40-Bit Accumulator Value in a Single Cycle D Two Address Generators With Eight Auxiliary Registers and Two Auxiliary Register Arithmetic Units (ARAUs) D Data Bus With a Bus Holder Feature D Address Bus With a Bus Holder Feature (’548 and ’549 Only) D Extended Addressing Mode for 8M × 16-Bit Maximum Addressable External Program Space (’548 and ’549 Only) D 192K × 16-Bit Maximum Addressable Memory Space (64K Words Program, 64K Words Data, and 64K Words I/O) D On-Chip ROM with Some Configurable to Program/Data Memory D Dual-Access On-Chip RAM D Single-Access On-Chip RAM (’548/’549) D Single-Instruction Repeat and Block-Repeat Operations for Program Code D Block-Memory-Move Instructions for Better Program and Data Management D Instructions With a 32-Bit Long Word Operand D Instructions With Two- or Three-Operand Reads D Arithmetic Instructions With Parallel Store and Parallel Load D Conditional Store...