TMS320C6747 定点/浮点数字信号处理器,6747 2024-03-26 17:29:33 0 0 描述 TMS320C6745 /6747器件是一款基于TMS320C674x DSP内核的低功耗数字信号处理器。它的功耗显着低于TMS320C6000 DSP平台的其他成员。 TMS320C6745 /6747器件使原始设备制造商(OEM)和原始设计制造商(ODM)能够快速推出市场上的设备。高处理性能。 TMS320C6745 /6747 DSP内核采用基于缓存的两级架构。 1级程序高速缓存(L1P)是32 KB直接映射高速缓存,1级数据高速缓存(L1D)是32 KB双向组关联高速缓存。 2级程序高速缓存(L2P)由256 KB内存空间组成,在程序和数据空间之间共享。 L2内存可以配置为映射内存,缓存或两者的组合。虽然系统中的其他主机可以访问DSP L2,但是其他主机可以使用额外的128KB RAM共享内存(仅限TMS320C6747),而不会影响DSP性能。 外设集包括:带管理数据输入/输出(MDIO)模块的10/100 Mbps以太网MAC(EMAC);两个I 2 C总线接口; 3个多通道音频串行端口(McASP),带有16/9串行器和FIFO缓冲器;两个64位通用定时器,每个都可配置(一个可配置为看门狗);可配置的16位主机端口接口(HPI)[仅限TMS320C6747];多达8个16引脚的通用输入/输出(GPIO),具有可编程中断/事件生成模式,与其他外设复用; 3个UART接口(一个具有 RTS 和 CTS );三个增强型高分辨率脉冲宽度调制器(eHRPWM)外设;三个32位增强型捕获(eCAP)模块外设,可配置为3个捕获输入或3个辅助脉冲宽度调制器(APWM)输出;两个32位增强型正交编码脉冲(eQEP)外设;和2个外部存储器接口:用于较慢存储器或外设的异步和SDRAM外部存储器接口(EMIFA),以及用于SDRAM的高速存储器接口(EMIFB)。 以太网媒体访问控制器(EMAC)提供TMS320C6745 /6747器件与网络之间的高效接口。 EMAC支持10Base-T和100Base-TX,或半双工或全双工模式下的10 Mbps和100 Mbps。此外,MDIO接口可用于PHY配置。 丰富的外设集可以控制外部外围设备并与外部处理器通信。有关每个外围设备的详细信息,请参阅本文档后面的相关章节以及相关的外围设备参考指南。 特性Software SupportTI DSP/BIOSChip Support Library and DSP Library375- and 456-MHz TMS320C674x VLIW DSPC674x Instruction Set FeaturesSuperset of the C67x+ and C64x+ ISAsUp to 3648 MIPS and 2736 MFLOPS C674xByte-Addressable (8-, 16-, 32-, and 64-Bit Data)8-Bit Overflow ProtectionBit-Field Extract, Set, ClearNormalization, Saturation, Bit-CountingCompact 16-Bit InstructionsC674x Two-Level Cache Memory Architecture32KB of L1P Program RAM/Cache32KB of L1D Data RAM/Cache256KB of L2 Unified Mapped RAM/CacheFlexible RAM/Cache Partition (L1 and L2)Enhanced Direct Memory Access Controller 3 (EDMA3):2 Transfer Controllers32 Independent DMA Channels8 Quick DMA ChannelsProgrammable Transfer Burst SizeTMS320C674x Fixed- and Floating-Point VLIW DSP CoreLoad-Store Architecture with Nonaligned Support64 General-Purpose Registers (32-Bit)Six ALU (32- and 40-Bit) Functional UnitsSupports 32-Bit Integer, SP (IEEE Single Precision/32-Bit) and DP (IEEE Double Precision/64-Bit) Floating PointSupports up to Four SP Additions Per Clock, Four DP Additions Every 2 ClocksSupports up to Two Floating-Point (SP or DP) Reciprocal Approximation (RCPxP) and Square-Root Reciprocal Approximation (RSQRxP) Operations Per CycleTwo Multiply Functional UnitsMixed-Precision IEEE Floating Point Multiply Supported up to:2 SP x SP -> SP Per Clock2 SP x SP -> DP Every Two Clocks2 SP x DP -> DP Every Three Clocks2 DP x DP -> DP Every Four ClocksFixed-Point Multiply Supports Two 32 x 32-Bit Multiplies, Four 16 x 16-Bit Multiplies, or Eight 8 x 8-Bit Multiplies per Clock Cycle, and Complex MultiplesInstruction Packing Reduces Code SizeAll Instructions ConditionalHardware Support for Modulo Loop OperationProtected Mode OperationExceptions Support for Error Detection and Program Redirection128KB of RAM Shared Memory (TMS320C6747 Only)3.3-V LVCMOS I/Os (Except for USB Interfaces)Two External Memory Interfaces:EMIFANOR (8- or 16-Bit-Wide Data)NAND (8- or 16-Bit-Wide Data)16-Bit SDRAM with 128-MB Address Space (TMS320C6747 Only)EMIFB32-Bit or 16-Bit SDRAM with 256-MB Address Space (TMS320C6747)16-Bit SDRAM with 128-MB Address Space (TMS320C6745)Three Configurable 16550-Type UART Modules:UART0 with Modem Control SignalsAutoflow Control Signals (CTS, RTS) on UART0 Only16-Byte FIFO16x or 13x Oversampling OptionLCD Controller (TMS320C6747 Only)Two Serial Peripheral Interfaces (SPIs) Each with One Chip SelectMultimedia Card (MMC)/Secure Digital (SD) Card Interface with Secure Data I/O (SDIO)Two Master and Slave Inter-Integrated Circuit (I2C Bus™)One Host-Port Interface (HPI) with 16-Bit-Wide Muxed Address/Data Bus for High Bandwidth (TMS320C6747 Only)Programmable Real-Time Unit Subsystem (PRUSS)Two Independent Programmable Realtime Unit (PRU) Cores32-Bit Load and Store RISC Architecture4KB of Instruction RAM per Core512 Bytes of Data RAM per CorePRUSS can be Disabled via Software to Save PowerStandard Power-Management MechanismClock GatingEntire Subsystem Under a Single PSC Clock Gating DomainDedicated Interrupt ControllerDedicated Switched Central ResourceUSB 1.1 OHCI (Host) with Integrated PHY (USB1) (TMS320C6747 Only)USB 2.0 OTG Port with Integrated PHY (USB0)USB 2.0 High- and Full-Speed Client (TMS320C6747)USB 2.0 Full-Speed Client (TMS320C6745)USB 2.0 High-, Full-, and Low-Speed Host (TMS320C6747)USB 2.0 Full- and Low-Speed Host (TMS320C6745)High-Speed Functionality Available on TMS320C6747 Device OnlyEnd Point 0 (Control)End Points 1,2,3,4 (Control, Bulk, Interrupt or ISOC) RX and TXThree Multichannel Audio Serial Ports (McASPs):TMS320C6747 Supports 3 McASPsTMS320C6745 Supports 2 McASPsSix Clock Zones and 28 Serial Data PinsSupports TDM, I2S, and Similar FormatsDIT-Capable (McASP2)FIFO Buffers for Transmit and Receive10/100 Mbps Ethernet MAC (EMAC):IEEE 802.3 Compliant (3.3-V I/O Only)RMII Media-Independent InterfaceManagement Data I/O (MDIO) ModuleReal-Time Clock with 32-kHz Oscillator and Separate Power Rail (TMS320C6747 Only)One 64-Bit General-Purpose Timer (Configurable as Two 32-Bit Timers)One 64-Bit General-Purpose Watchdog Timer (Configurable as Two 32-Bit General-Purpose Timers)Three Enhanced Pulse Width Modulators (eHRPWMs):Dedicated 16-Bit Time-Base Counter with Period and Frequency Control6 Single Edge, 6 Dual Edge Symmetric, or 3 Dual Edge Asymmetric OutputsDead-Band GenerationPWM Chopping by High-Frequency CarrierTrip Zone InputThree 32-Bit Enhanced Capture (eCAP) Modules:Configurable as 3 Capture Inputs or 3 Auxiliary Pulse Width Modulator (APWM) OutputsSingle-Shot Capture of up to Four Event Time-StampsTwo 32-Bit Enhanced Quadrature Encoder Pulse (eQEP) ModulesTMS320C6747 Device:256-Ball Pb-Free Plastic Ball Grid Array (PBGA) [ZKB Suffix], 1.0-mm Ball PitchTMS320C6745 Device:176-pin PowerPAD Plastic Quad Flat Pack [PTP suffix], 0.5-mm Pin PitchCommercial, Industrial, Extended, or Automotive Temperature 参数 与其它产品相比 C674x DSP Operating SystemsDSP MHz (Max)Display OptionsDRAMUSBEMACSATASPII2CUART (SCI)On-Chip L2 Cache/RAMOther On-Chip MemoryApprox. Price (US$)ApplicationsDSP TMS320C6747TMS320C6745SYS/BIOS TI RTOS 375 456 375 456 1 0 SDRAM SDRAM 2 1 10/100 10/100 0 2 2 2 2 2 3 3 256 KB 256 KB 128 KB 0 11.73 | 1ku 10.17 | 1ku Communications and Telecom Consumer Electronics Industrial Communications and Telecom Consumer Electronics Energy Industrial Medical 1 C674x 1 C674x 方框图 (1) 收藏(0)