TI TMS320C6746EZCED4

The TMS320C6746 fixed- and floating-point DSP is a low-power applications processor based on a C674x DSP core. This DSP provides significantly lower pow

• 375- and 456-MHz C674x Fixed- and FloatingPoint VLIW DSP
• C674x Instruction Set Features – Superset of the C67x+ and G fx+ ISAs – Up to 3648 MIPS and 2746 MFLOPS – Byte-Addressable (8-, 16-, 32-, and 64-Bit Data) – 8-Bit Overflow Protection – Bit-Field Extract, Set, Clear – Normalization, Saturation, Bit-Counting – Compact 16-Bit Instructions
• C674x Two-Level Cache Memory Architecture – 32KB of L1P Program RAM/Cache – 32KB of L1D Data RAM/Cache – 256KB of L2 Unified Mapped RAM/Cache – Flexible RAM/Cache Partition (L1 and L2)
• Enhanced Direct Memory Access Controller 3 (EDMA3): – 2 Channel Controllers – 3 Transfer Controllers – 64 Independent DMA Channels – 16 Quick DMA Channels – Programmable Transfer Burst Size
• TMS320C674x Floating-Point VLIW DSP Core – Load-Store Architecture With Nonaligned Support – 64 General-Purpose Registers (32-Bit) – Six ALU (32- and 40-Bit) Functional Units – Supports 32-Bit Integer, SP (IEEE Single Precision/32-Bit) and DP (IEEE Double Precision/64-Bit) Floating Point – Supports up to Four SP Additions Per Clock, Four DP Additions Every Two Clocks – Supports up to Two Floating-Point (SP or DP) Reciprocal Approximation (RCPxP) and Square-Root Reciprocal Approximation (RSQRxP) Operations Per Cycle – Two Multiply Functional Units: – Mixed-Precision IEEE Floating-Point Multiply Supported up to: – 2 SP×SP→SP Per Clock – 2 SP×SP→DP Every Two Clocks – 2 SP×DP→DP Every Three Clocks – 2 DP×DP→DP Every Four Clocks – Fixed-Point Multiply Supports Two 32×32. Bit Multiplies, Four 16×16 -Bit Multiplies, or Eight 8×8 -Bit Multiplies per Clock Cycle, and Complex Multiples – Instruction Packing Reduces Code Size – All Instructions Conditional – Hardware Support for Modulo Loop Operation – Protected Mode Operation – Exceptions Support for Error Detection and Program Redirection
• Software Support – TI DSP BIOS – Chip Support Library and DSP Library
• 1.8-V or 3.3-V LVCMOS I/Os (Except for USB and DDR2 Interfaces)
• Two External Memory Interfaces: – EMIFA – NOR (8- or 16-Bit-Wide Data) – NAND (8- or 16-Bit-Wide Data) – 16-Bit SDRAM With 128-MB Address Space – DDR2/Mobile DDR Memory Controller With one of the Following: – 16-Bit DDR2 SDRAM With 256-MB Address Space – 16-Bit mDDR SDRAM With 256-MB Address Space
• Three Configurable 16550-Type UART Modules: – With Modem Control Signals – 16-Byte FIFO – 16x or 13x Oversampling Option
• Two Serial Peripheral Interfaces (SPIs) Each With Multiple Chip Selects
• Two Multimedia Card (MMC)/Secure Digital (SD) Card Interfaces With Secure Data I/O (SDIO) Interfaces
• Two Master and Slave Inter-Integrated Circuits (I2C Bus)
• One Host-Port Interface (HPI) With 16-Bit-Wide Muxed Address and Data Bus For High Bandwidth
• Programmable Real-Time Unit Subsystem (PRUSS) – Two Independent Programmable Real-Time Unit (PRU) Cores – 32-Bit Load-Store RISC Architecture – 4KB of Instruction RAM Per Core – 512 Bytes of Data RAM Per Core – PRUSS can be Disabled Through Software to Save Power – Register 30 of Each PRU is Exported From the Subsystem in Addition to the Normal R31 Output of the PRU Cores. – Standard Power-Management Mechanism – Clock Gating – Entire Subsystem Under a Single PSC Clock Gating Domain – Dedicated Interrupt Controller – Dedicated Switched Central Resource
• USB 2.0 OTG Port With Integrated PHY (USB0) – USB 2.0 High- and Full-Speed Client – USB 2.0 High-, Full-, and Low-Speed Host – End Point 0 (Control) – End Points 1, 2, 3, and 4 (Control, Bulk, Interrupt, or ISOC) RX and TX
• One Multichannel Audio Serial Port (McASP): – Two Clock Zones and 16 Serial Data Pins – Supports TDM, I2S, and Similar Formats – DIT-Capable – FIFO Buffers for Transmit and Receive
• Two Multichannel Buffered Serial Ports (McBSPs): – Supports TDM, I2S, and Similar Formats – AC97 Audio Codec Interface – Telecom Interfaces (ST-Bus, H100) – 128-Channel TDM – FIFO Buffers for Transmit and Receive
• 10/100 Mbps Ethernet MAC (EMAC): – IEEE 802.3 Compliant – MII Media-Independent Interface – RMII Reduced Media-Independent Interface – Management Data I/O (MDIO) Module
• Video Port Interface (VPIF): – Two 8-Bit SD (BT.656), Single 16-Bit or Single Raw (8-, 10-, and 12-Bit) Video Capture Channels – Two 8-Bit SD (BT.656), Single 16-Bit Video Display Channels
• Universal Parallel Port (uPP): – High-Speed Parallel Interface to FPGAs and Data Converters – Data Width on Both Channels is 8- to 16-Bit Inclusive – Single-Data Rate or Dual-Data Rate Transfers – Supports Multiple Interfaces With START, ENABLE, and WAIT Controls
• Real-Time Clock (RTC) With 32-kHz Oscillator and Separate Power Rail
• Three 64-Bit General-Purpose Timers (Each Configurable as Two 32-Bit Timers)
• One 64-Bit General-Purpose or Watchdog Timer (Configurable as Two 32-Bit General-Purpose Timers)
• Two Enhanced High-Resolution Pulse Width Modulators (eHRPWMs): – Dedicated 16-Bit Time-Base Counter With Period and Frequency Control – 6 Single-Edge Outputs, 6 Dual-Edge Symmetric Outputs, or 3 Dual-Edge Asymmetric Outputs – Dead-Band Generation – PWM Chopping by High-Frequency Carrier – Trip Zone Input
• Three 32-Bit Enhanced Capture (eCAP) Modules: – Configurable as 3 Capture Inputs or 3 Auxiliary Pulse Width Modulator (APWM) Outputs – Single-Shot Capture of up to Four Event Timestamps
• Packages: – 361-Ball Pb-Free Plastic Ball Grid Array (PBGA) [ZCE Suffix], 0.65-mm Ball Pitch – 361-Ball Pb-Free PBGA [ZWT Suffix], 0.80-mm Ball Pitch
• Commercial, Extended, or Industrial Temperature

• Currency Inspection
• Biometric Identification
• Machine Vision (Low-End)