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TMS320VC549 Datasheet(PDF) 1 Page - Texas Instruments |
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TMS320VC549 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 63 page  TMS320VC549 FIXEDPOINT DIGITAL SIGNAL PROCESSOR SPRS078G − SEPTEMBER 1998 − REVISED OCTOBER 2004 1 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 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 Compare, Select, and Store Unit (CSSU) for the Add/Compare Selection of the Viterbi Operator D Exponent Encoder to Compute 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 D Extended Addressing Mode for 8M × 16-Bit Maximum Addressable External Program Space 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 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 Instructions D Fast Return From Interrupt D 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 − Time-Division Multiplexed (TDM) Serial Port − Buffered Serial Port (BSP) − 8-Bit Parallel Host Port Interface (HPI) − One 16-Bit Timer − External-Input/Output (XIO) Off Control to Disable the External Data Bus, Address Bus and Control Signals D Power Consumption Control With IDLE1, IDLE2, and IDLE3 Instructions With Power-Down Modes D CLKOUT Off Control to Disable CLKOUT D On-Chip Scan-Based Emulation Logic, IEEE Std 1149.1† (JTAG) Boundary Scan Logic D 12.5-ns Single-Cycle Fixed-Point Instruction Execution Time (80 MIPS) for 3.3-V Power Supply) D 10-ns Single-Cycle Fixed-Point Instruction Execution Time (100 MIPS) for 3.3-V Power Supply (2.5-V Core) D 8.3-ns Single-Cycle Fixed-Point Instruction Execution Time (120 MIPS) for 3.3-V Power Supply (2.5-V Core) D Available in a 144-Pin Plastic Thin Quad Flatpack (TQFP) (PGE Suffix) and a 144-Pin Ball Grid Array (BGA) (GGU Suffix) Copyright 2004, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor s and disclaimers thereto appears at the end of this data sheet. † IEEE Standard 1149.1-1990 Standard-Test-Access Port and Boundary Scan Architecture. All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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