TMS320VC5401

• Advanced Multibus Architecture With Three Separate 16-Bit Data Memory Buses and One Program Memory Bus
• 40-Bit Arithmetic Logic Unit (ALU), Including a 40-Bit Barrel Shifter and Two Independent 40-Bit Accumulators
• 17- × 17-Bit Parallel Multiplier Coupled to a 40-Bit Dedicated Adder for Non-Pipelined Single-Cycle Multiply/Accumulate (MAC) Operation
• Compare, Select, and Store Unit (CSSU) for the Add/Compare Selection of the Viterbi Operator
• Exponent Encoder to Compute an Exponent Value of a 40-Bit Accumulator Value in a Single Cycle
• Two Address Generators With Eight Auxiliary Registers and Two Auxiliary Register Arithmetic Units (ARAUs)
• Data Bus With a Bus-Holder Feature
• Extended Addressing Mode for 1M × 16-Bit Maximum Addressable External Program Space
• 4K x 16-Bit On-Chip ROM
• 8K x 16-Bit Dual-Access On-Chip RAM
• Single-Instruction-Repeat and Block-Repeat Operations for Program Code
• Block-Memory-Move Instructions for Efficient Program and Data Management
• Instructions With a 32-Bit Long Word Operand
• Instructions With Two- or Three-Operand Reads
• Arithmetic Instructions With Parallel Store and Parallel Load
• Conditional Store Instructions
• Fast Return From Interrupt
• On-Chip Peripherals
  • Software-Programmable Wait-State Generator and Programmable Bank Switching
  • On-Chip Phase-Locked Loop (PLL) Clock Generator With Internal Oscillator or External Clock Source
  • Two Multichannel Buffered Serial Ports (McBSPs)
  • Enhanced 8-Bit Parallel Host-Port Interface (HPI8)
  • Two 16-Bit Timers
  • Six-Channel Direct Memory Access (DMA) Controller
• Power Consumption Control With IDLE1, IDLE2, and IDLE3 Instructions With Power-Down Modes
• CLKOUT Off Control to Disable CLKOUT
• On-Chip Scan-Based Emulation Logic, IEEE Std 1149.1 (JTAG) Boundary Scan Logic
• 20-ns Single-Cycle Fixed-Point Instruction Execution Time (50 MIPS) for 3.3-V Power Supply (1.8-V Core)
• 144-Pin Plastic Low-Profile Quad Flatpack (LQFP) (PGE Suffix)
• 144-Ball MicroStar BGA™ (GGU Suffix)

IEEE Standard 1149.1-1990 Standard Test-Access Port and Boundary Scan Architecture.
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