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TMS320TCI6482 Status: ACTIVE

Fixed-Point Digital Signal Processor


      
         
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Product Information

Features

features

  • High-Performance Communications Infrastructure Fixed-Point DSP (TCI6482)
    • 1.17-, 1-, and 0.83-ns Instruction Cycle Time
    • 850-MHz, 1-GHz, and 1.2-GHz Clock Rate
    • Eight 32-Bit Instructions/Cycle
    • 9600 MIPS/MMACS (16-Bits)
    • Commercial Temperature [0°C to 90°C]
    • Extended Temperature [-40°C to 105°C]
  • TMS320C64x+™ DSP Core
    • Dedicated SPLOOP Instruction
    • Compact Instructions (16-Bit)
    • Instruction Set Enhancements
    • Exception Handling
  • TMS320C64x+ Megamodule L1/L2 Memory Architecture:
    • 256K-Bit (32K-Byte) L1P Program Cache [Direct Mapped]
    • 256K-Bit (32K-Byte) L1D Data Cache [2-Way Set-Associative]
    • 16M-Bit (2048K-Byte) L2 Unified Mapped RAM/Cache [Flexible Allocation]
    • 256K-Bit (32K-Byte) L2 ROM
    • Time Stamp Counter
  • 2 RSAs for CDMA Processing
    • Dedicated RAKE, PATH_SEARCH and RACH_SEARCH Instructions
    • Transmit Processing Capability
      • \
  • Enhanced VCP2
    • Supports Over 694 7.95-Kbps AMR
    • Programmable Code Parameters
  • Enhanced Turbo Decoder Coprocessor (TCP2)
    • Supports up to Eight 2-Mbps 3GPP (6 Iterations)
    • Programmable Turbo Code and Decoding Parameters
  • Endianess: Little Endian, Big Endian
  • 64-Bit External Memory Interface (EMIFA)
    • Glueless Interface to Asynchronous Memories (SRAM, Flash, and EEPROM) and Synchronous Memories (SBSRAM, ZBT SRAM)
    • Supports Interface to Standard Sync Devices and Custom Logic (FPGA, CPLD, ASICs, etc.)
    • 32M-Byte Total Addressable External Memory Space
  • Four 1x Serial RapidIO® Links (or One 4x), v1.2 Compliant
    • 1.25-, 2.5-, 3.125-Gbps Link Rates
    • Message Passing, DirectIO Support, Error Mgmt Extensions, Congestion Control
    • IEEE 1149.6 Compliant I/Os
  • DDR2 Memory Controller
    • Interfaces to DDR2-533 SDRAM
    • 32-Bit/16-Bit, 533-MHz (data rate) Bus
    • 512M-Byte Total Addressable External Memory Space
  • EDMA3 Controller (64 Independent Channels)
  • 32-/16-Bit Host-Port Interface (HPI)
  • 32-Bit 33-/66-MHz, 3.3-V Peripheral Component Interconnect (PCI) Master/Slave Interface Conforms to PCI Local Bus Specification (v2.3)
  • One Inter-Integrated Circuit (I2C) Bus
  • Two McBSPs
  • 10/100/1000 Mb/s Ethernet MAC (EMAC)
    • IEEE 802.3 Compliant
    • Supports Multiple Media Independent Interfaces (MII, GMII, RMII, and RGMII)
    • 8 Independent Transmit (TX) and
      8 Independent Receive (RX) Channels
  • Two 64-Bit General-Purpose Timers, Configurable as Four 32-Bit Timers
  • UTOPIA
    • UTOPIA Level 2 Slave ATM Controller
    • 8-Bit Transmit and Receive Operations up to 50 MHz per Direction
    • User-Defined Cell Format up to 64 Bytes
  • VLYNQ™ Port
    • Full Duplex Serial Bus
    • Up to 4-Bit Transmit, 4-Bit Receive
    • Up to 125-MHz Operation
  • 16 General-Purpose I/O (GPIO) Pins
  • System PLL and PLL Controller
  • Secondary PLL and PLL Controller, Dedicated to EMAC and DDR2 Memory Controller
  • Advanced Event Triggering (AET) Compatible
  • Trace-Enabled Device
  • IEEE-1149.1 (JTAG™) Boundary-Scan-Compatible
  • 697-Pin Ball Grid Array (BGA) Package (ZTZ or GTZ Suffix), 0.8-mm Ball Pitch
  • 0.09-µm/7-Level Cu Metal Process (CMOS)
  • 3.3-/1.8-/1.5-/1.25-/1.2-V I/Os, 1.25-/1.2-V Internal

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Description

The TMS320C64x+™ DSPs (including the TMS320TCI6482 device) are the highest-performance fixed-point DSP generation in the TMS320C6000™ DSP platform. The TCI6482 device is based on the third-generation high-performance, advanced VelociTI™ very-long-instruction-word (VLIW) architecture developed by Texas Instruments (TI), making these DSPs an excellent choice for applications including video and telecom infrastructure, imaging/medical, and wireless infrastructure (WI). The C64x+™ devices are upward code-compatible from previous devices that are part of the C6000™ DSP platform.

Based on 90-nm process technology and with performance of up to 9600 million instructions per second (MIPS) [or 9600 16-bit MMACs per cycle] at a 1.2-GHz clock rate, the TCI6482 device offers cost-effective solutions to high-performance DSP programming challenges. The TCI6482 DSP possesses the operational flexibility of high-speed controllers and the numerical capability of array processors.

The C64x+ DSP core employs eight functional units, two register files, and two data paths. Like the earlier C6000 devices, two of these eight functional units are multipliers or .M units. Each C64x+ .M unit doubles the multiply throughput versus the C64x core by performing four 16-bit x 16-bit multiply-accumulates (MACs) every clock cycle. Thus, eight 16-bit x 16-bit MACs can be executed every cycle on the C64x+ core. At a 1.2-GHz clock rate, this means 9600 16-bit MMACs can occur every second. Moreover, each multiplier on the C64x+ core can compute one 32-bit x 32-bit MAC or four 8-bit x 8-bit MACs every clock cycle.

The TCI6482 device includes Serial RapidIO. This high bandwidth peripheral dramatically improves system performance and reduces system cost for applications that include multiple DSPs on a board, such as video and telecom infrastructures and medical/imaging.

The TCI6482 DSP integrates a large amount of on-chip memory organized as a two-level memory system. The level-1 (L1) program and data memories on the TCI6482 device are 32KB each. This memory can be configured as mapped RAM, cache, or some combination of the two. When configured as cache, L1 program (L1P) is a direct mapped cache where as L1 data (L1D) is a two-way set associative cache. The level 2 (L2) memory is shared between program and data space and is 2096KB in size. L2 memory can also be configured as mapped RAM, cache, or some combination of the two. The C64x+ Megamodule also has a 32-bit peripheral configuration (CFG) port, an internal DMA (IDMA) controller, a system component with reset/boot control, interrupt/exception control, a power-down control, and a free-running 32-bit timer for time stamp.

The peripheral set includes: an inter-integrated circuit bus module (I2C); two multichannel buffered serial ports (McBSPs); an 8-bit Universal Test and Operations PHY Interface for Asynchronous Transfer Mode (ATM) Slave [UTOPIA Slave] port; two 64-bit general-purpose timers (also configurable as four 32-bit timers); a user-configurable 16-bit or 32-bit host-port interface (HPI16/HPI32); a peripheral component interconnect (PCI); a 16-pin general-purpose input/output port (GPIO) with programmable interrupt/event generation modes; an 10/100/1000 Ethernet media access controller (EMAC), which provides an efficient interface between the TCI6482 DSP core processor and the network; a management data input/output (MDIO) module (also part of the EMAC) that continuously polls all 32 MDIO addresses in order to enumerate all PHY devices in the system; a 4-bit transmit, 4-bit receive VLYNQ interface; a glueless external memory interface (64-bit EMIFA), which is capable of interfacing to synchronous and asynchronous peripherals; and a 32-bit DDR2 SDRAM interface.

The I2C ports on the TCI6482 allows the DSP to easily control peripheral devices and communicate with a host processor. In addition, the standard multichannel buffered serial port (McBSP) may be used to communicate with serial peripheral interface (SPI) mode peripheral devices.

The VLYNQ interface provides a standard high-speed serial interface to a variety of TI devices that can supplement the processing power or external connectivity of the TCI6482 device. This supports host-to-peripheral or peer-to-peer communication modes.

The TCI6482 device has two high-performance embedded coprocessors [enhanced Viterbi Decoder Coprocessor (VCP2) and enhanced Turbo Decoder Coprocessor (TCP2)] that significantly speed up channel-decoding operations on-chip. The VCP2 operating at CPU clock divided-by-3 can decode over 694 7.95-Kbps adaptive multi-rate (AMR) [K = 9, R = 1/3] voice channels. The VCP2 supports constraint lengths K = 5, 6, 7, 8, and 9, rates R = 3/4, 1/2, 1/3, 1/4, and 1/5 and flexible polynomials, while generating hard decisions or soft decisions. The TCP2 operating at CPU clock divided-by-3 can decode up to fifty 384-Kbps or eight 2-Mbps turbo encoded channels (assuming 6 iterations). The TCP2 implements the max*log-map algorithm and is designed to support all polynomials and rates required by Third-Generation Partnership Projects (3GPP and 3GPP2), with fully programmable frame length and turbo interleaver. Decoding parameters such as the number of iterations and stopping criteria are also programmable. Communications between the VCP2/TCP2 and the CPU are carried out through the EDMA3 controller.

The TCI6482 has a complete set of development tools which includes: a new C compiler, an assembly optimizer to simplify programming and scheduling, and a Windows debugger interface for visibility into source code execution.

The C64x+ CPU has two tightly coupled Rake/Search Accelerators (RSAs) for Code Division Multiple Access (CDMA) to assist with chip rate processing in Base Transceiver Systems (BTS).

    

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Tools & Software

NamePart #CompanySoftware/Tool Type
TMS320C64x Image LibrarySPRC094 Texas Instruments Signal Processing Libraries 
Network Developers Kit (NDK) with TCP/IP StackNDKTCPIP Texas Instruments Drivers / IO / Control Software 
C64x+ DSP Library (DSPLIB)SPRC265 Texas Instruments Signal Processing Libraries 
C64x+BEDSPLIBSPRC263 Texas Instruments Signal Processing Libraries 

Simulation Models

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