SPRS377F September   2008  – June 2014 TMS320C6745 , TMS320C6747

PRODUCTION DATA.  

  1. 1TMS320C6745, TMS320C6747 Fixed- and Floating-Point Digital Signal Processor
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
    4. 1.4 Functional Block Diagram
  2. 2Revision History
  3. 3Device Overview
    1. 3.1 Device Characteristics
    2. 3.2 Device Compatibility
    3. 3.3 DSP Subsystem
      1. 3.3.1 C674x DSP CPU Description
      2. 3.3.2 DSP Memory Mapping
        1. 3.3.2.1 External Memories
        2. 3.3.2.2 DSP Internal Memories
        3. 3.3.2.3 C674x CPU
    4. 3.4 Memory Map Summary
      1. Table 3-4 C6747 Top Level Memory Map
      2. Table 3-5 C6745 Top Level Memory Map
    5. 3.5 Pin Assignments
      1. 3.5.1 Pin Map (Bottom View)
    6. 3.6 Terminal Functions
      1. 3.6.1  Device Reset and JTAG
      2. 3.6.2  High-Frequency Oscillator and PLL
      3. 3.6.3  Real-Time Clock and 32-kHz Oscillator
      4. 3.6.4  External Memory Interface A (ASYNC, SDRAM)
      5. 3.6.5  External Memory Interface B (only SDRAM)
      6. 3.6.6  Serial Peripheral Interface Modules (SPI0, SPI1)
      7. 3.6.7  Enhanced Capture/Auxiliary PWM Modules (eCAP0, eCAP1, eCAP2)
      8. 3.6.8  Enhanced Pulse Width Modulators (eHRPWM0, eHRPWM1, eHRPWM2)
      9. 3.6.9  Enhanced Quadrature Encoder Pulse Module (eQEP)
      10. 3.6.10 Boot
      11. 3.6.11 Universal Asynchronous Receiver/Transmitters (UART0, UART1, UART2)
      12. 3.6.12 Inter-Integrated Circuit Modules (I2C0, I2C1)
      13. 3.6.13 Timers
      14. 3.6.14 Universal Host-Port Interface (UHPI)
      15. 3.6.15 Multichannel Audio Serial Ports (McASP0, McASP1, McASP2)
      16. 3.6.16 Universal Serial Bus Modules (USB0, USB1)
      17. 3.6.17 Ethernet Media Access Controller (EMAC)
      18. 3.6.18 Multimedia Card/Secure Digital (MMC/SD)
      19. 3.6.19 Liquid Crystal Display Controller (LCD)
      20. 3.6.20 General Purpose Input Output (GPIO)
      21. 3.6.21 Reserved and No Connect
      22. 3.6.22 Supply and Ground
      23. 3.6.23 Unused USB0 (USB2.0) and USB1 (USB1.1) Pin Configurations
  4. 4Device Configuration
    1. 4.1 Boot Modes
    2. 4.2 SYSCFG Module
    3. 4.3 Pullup/Pulldown Resistors
  5. 5Device Operating Conditions
    1. 5.1 Absolute Maximum Ratings Over Operating Case Temperature Range (Unless Otherwise Noted)
    2. 5.2 Handling Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Notes on Recommended Power-On Hours (POH)
    5. 5.5 Electrical Characteristics Over Recommended Ranges of Supply Voltage and Operating Case Temperature (Unless Otherwise Noted)
  6. 6Peripheral Information and Electrical Specifications
    1. 6.1  Parameter Information
      1. 6.1.1 Parameter Information Device-Specific Information
        1. 6.1.1.1 Signal Transition Levels
    2. 6.2  Recommended Clock and Control Signal Transition Behavior
    3. 6.3  Power Supplies
      1. 6.3.1 Power-on Sequence
      2. 6.3.2 Power-off Sequence
    4. 6.4  Reset
      1. 6.4.1 Power-On Reset (POR)
      2. 6.4.2 Warm Reset
      3. 6.4.3 Reset Electrical Data Timings
    5. 6.5  Crystal Oscillator or External Clock Input
    6. 6.6  Clock PLLs
      1. 6.6.1 PLL Device-Specific Information
      2. 6.6.2 Device Clock Generation
      3. 6.6.3 PLL Controller 0 Registers
    7. 6.7  Interrupts
      1. 6.7.1 DSP Interrupts
    8. 6.8  General-Purpose Input/Output (GPIO)
      1. 6.8.1 GPIO Register Description(s)
      2. 6.8.2 GPIO Peripheral Input/Output Electrical Data/Timing
        1. Table 6-9  Timing Requirements for GPIO Inputs (see )
        2. Table 6-10 Switching Characteristics Over Recommended Operating Conditions for GPIO Outputs (see )
      3. 6.8.3 GPIO Peripheral External Interrupts Electrical Data/Timing
        1. Table 6-11 Timing Requirements for External Interrupts (see )
    9. 6.9  EDMA
    10. 6.10 External Memory Interface A (EMIFA)
      1. 6.10.1 EMIFA Asynchronous Memory Support
      2. 6.10.2 EMIFA Synchronous DRAM Memory Support
      3. 6.10.3 EMIFA SDRAM Loading Limitations
      4. 6.10.4 EMIFA Connection Examples
      5. 6.10.5 External Memory Interface A (EMIFA) Registers
      6. 6.10.6 EMIFA Electrical Data/Timing
        1. Table 6-19 EMIFA SDRAM Interface Timing Requirements
        2. Table 6-20 EMIFA SDRAM Interface Switching Characteristics
        3. Table 6-21 EMIFA Asynchronous Memory Timing Requirements
        4. Table 6-22 EMIFA Asynchronous Memory Switching Characteristics
    11. 6.11 External Memory Interface B (EMIFB)
      1. 6.11.1 EMIFB SDRAM Loading Limitations
      2. 6.11.2 Interfacing to SDRAM
      3. 6.11.3 EMIFB Electrical Data/Timing
        1. Table 6-26 EMIFB SDRAM Interface Timing Requirements
        2. Table 6-27 EMIFB SDRAM Interface Switching Characteristics for Commercial (Default) Temperature Range
        3. Table 6-28 EMIFB SDRAM Interface Switching Characteristics for Industrial, Extended, and Automotive Temperature Ranges
    12. 6.12 Memory Protection Units
    13. 6.13 MMC / SD / SDIO (MMCSD)
      1. 6.13.1 MMCSD Peripheral Description
      2. 6.13.2 MMCSD Peripheral Register Description(s)
      3. 6.13.3 MMC/SD Electrical Data/Timing
        1. Table 6-32 Timing Requirements for MMC/SD Module (see and )
        2. Table 6-33 Switching Characteristics Over Recommended Operating Conditions for MMC/SD Module (see through )
    14. 6.14 Ethernet Media Access Controller (EMAC)
      1. 6.14.1 EMAC Peripheral Register Description(s)
    15. 6.15 Management Data Input/Output (MDIO)
      1. 6.15.1 MDIO Registers
      2. 6.15.2 Management Data Input/Output (MDIO) Electrical Data/Timing
        1. Table 6-41 Timing Requirements for MDIO Input (see and )
        2. Table 6-42 Switching Characteristics Over Recommended Operating Conditions for MDIO Output (see )
    16. 6.16 Multichannel Audio Serial Ports (McASP0, McASP1, and McASP2)
      1. 6.16.1 McASP Peripheral Registers Description(s)
      2. 6.16.2 McASP Electrical Data/Timing
        1. 6.16.2.1 Multichannel Audio Serial Port 0 (McASP0) Timing
          1. Table 6-47 McASP0 Timing Requirements
          2. Table 6-48 McASP0 Switching Characteristics
        2. 6.16.2.2 Multichannel Audio Serial Port 1 (McASP1) Timing
          1. Table 6-49 McASP1 Timing Requirements
          2. Table 6-50 McASP1 Switching Characteristics
        3. 6.16.2.3 Multichannel Audio Serial Port 2 (McASP2) Timing
          1. Table 6-51 McASP2 Timing Requirements
          2. Table 6-52 McASP2 Switching Characteristics
    17. 6.17 Serial Peripheral Interface Ports (SPI0, SPI1)
      1. 6.17.1 SPI Peripheral Registers Description(s)
      2. 6.17.2 SPI Electrical Data/Timing
        1. 6.17.2.1 Serial Peripheral Interface (SPI) Timing
          1. Table 6-54 General Timing Requirements for SPI0 Master Modes
          2. Table 6-55 General Timing Requirements for SPI0 Slave Modes
          3. Table 6-56 Additional SPI0 Master Timings, 4-Pin Enable Option
          4. Table 6-57 Additional SPI0 Master Timings, 4-Pin Chip Select Option
          5. Table 6-58 Additional SPI0 Master Timings, 5-Pin Option
          6. Table 6-59 Additional SPI0 Slave Timings, 4-Pin Enable Option
          7. Table 6-60 Additional SPI0 Slave Timings, 4-Pin Chip Select Option
          8. Table 6-61 Additional SPI0 Slave Timings, 5-Pin Option
          9. Table 6-62 General Timing Requirements for SPI1 Master Modes
          10. Table 6-63 General Timing Requirements for SPI1 Slave Modes
          11. Table 6-64 Additional SPI1 Master Timings, 4-Pin Enable Option
          12. Table 6-65 Additional SPI1 Master Timings, 4-Pin Chip Select Option
          13. Table 6-66 Additional SPI1 Master Timings, 5-Pin Option
          14. Table 6-67 Additional SPI1 Slave Timings, 4-Pin Enable Option
          15. Table 6-68 Additional SPI1 Slave Timings, 4-Pin Chip Select Option
          16. Table 6-69 Additional SPI1 Slave Timings, 5-Pin Option
    18. 6.18 Enhanced Capture (eCAP) Peripheral
      1. Table 6-71 Enhanced Capture (eCAP) Timing Requirement
      2. Table 6-72 eCAP Switching Characteristics
    19. 6.19 Enhanced Quadrature Encoder (eQEP) Peripheral
      1. Table 6-74 Enhanced Quadrature Encoder Pulse (eQEP) Timing Requirements
      2. Table 6-75 eQEP Switching Characteristics
    20. 6.20 Enhanced High-Resolution Pulse-Width Modulator (eHRPWM)
      1. 6.20.1 Enhanced Pulse Width Modulator (eHRPWM) Timing
        1. Table 6-77 eHRPWM Timing Requirements
        2. Table 6-78 eHRPWM Switching Characteristics
      2. 6.20.2 Trip-Zone Input Timing
    21. 6.21 LCD Controller
      1. 6.21.1 LCD Interface Display Driver (LIDD Mode)
      2. 6.21.2 LCD Raster Mode
        1. Table 6-84 LCD Raster Mode Timing
    22. 6.22 Timers
      1. 6.22.1 Timer Electrical Data/Timing
        1. Table 6-86 Timing Requirements for Timer Input (see )
        2. Table 6-87 Switching Characteristics Over Recommended Operating Conditions for Timer Output
    23. 6.23 Inter-Integrated Circuit Serial Ports (I2C0, I2C1)
      1. 6.23.1 I2C Device-Specific Information
      2. 6.23.2 I2C Peripheral Registers Description(s)
      3. 6.23.3 I2C Electrical Data/Timing
        1. 6.23.3.1 Inter-Integrated Circuit (I2C) Timing
          1. Table 6-89 I2C Input Timing Requirements
          2. Table 6-90 I2C Switching Characteristics
    24. 6.24 Universal Asynchronous Receiver/Transmitter (UART)
      1. 6.24.1 UART Peripheral Registers Description(s)
      2. 6.24.2 UART Electrical Data/Timing
        1. Table 6-92 Timing Requirements for UARTx Receive (see )
        2. Table 6-93 Switching Characteristics Over Recommended Operating Conditions for UARTx Transmit (see )
    25. 6.25 USB1 Host Controller Registers (USB1.1 OHCI)
      1. Table 6-95 Switching Characteristics Over Recommended Operating Conditions for USB1
      2. 6.25.1     USB1 Unused Signal Configuration
    26. 6.26 USB0 OTG (USB2.0 OTG)
      1. 6.26.1 USB2.0 Electrical Data/Timing
        1. Table 6-97 Switching Characteristics Over Recommended Operating Conditions for USB2.0 (see )
      2. 6.26.2 USB0 Unused Signal Configuration
    27. 6.27 Host-Port Interface (UHPI)
      1. 6.27.1 HPI Device-Specific Information
      2. 6.27.2 HPI Peripheral Register Description(s)
      3. 6.27.3 HPI Electrical Data/Timing
        1. Table 6-99  Timing Requirements for Host-Port Interface Cycles
        2. Table 6-100 Switching Characteristics for Host-Port Interface Cycles
    28. 6.28 Power and Sleep Controller (PSC)
      1. 6.28.1 Power Domain and Module Topology
        1. 6.28.1.1 Power Domain States
        2. 6.28.1.2 Module States
    29. 6.29 Programmable Real-Time Unit Subsystem (PRUSS)
      1. 6.29.1 PRUSS Register Descriptions
    30. 6.30 Emulation Logic
      1. 6.30.1 JTAG Port Description
      2. 6.30.2 Scan Chain Configuration Parameters
      3. 6.30.3 JTAG 1149.1 Boundary Scan Considerations
    31. 6.31 IEEE 1149.1 JTAG
      1. 6.31.1 JTAG Peripheral Register Description(s) – JTAG ID Register (DEVIDR0)
      2. 6.31.2 JTAG Test-Port Electrical Data/Timing
        1. Table 6-115 Timing Requirements for JTAG Test Port (see )
        2. Table 6-116 Switching Characteristics Over Recommended Operating Conditions for JTAG Test Port (see )
    32. 6.32 Real Time Clock (RTC)
      1. 6.32.1 Clock Source
      2. 6.32.2 Real-Time Clock Registers
  7. 7Device and Documentation Support
    1. 7.1 Device Support
      1. 7.1.1 Development Support
      2. 7.1.2 Device and Development-Support Tool Nomenclature
    2. 7.2 Documentation Support
    3. 7.3 Support Resources
    4. 7.4 Related Links
    5. 7.5 Trademarks
    6. 7.6 Electrostatic Discharge Caution
    7. 7.7 Glossary
  8. 8Mechanical Packaging and Orderable Information
    1. 8.1 Thermal Data for ZKB
    2. 8.2 Thermal Data for PTP
    3. 8.3 Supplementary Information About the 176-pin PTP PowerPAD™ Package
      1. 8.3.1 Standoff Height
      2. 8.3.2 PowerPAD™ PCB Footprint
    4. 8.4 Packaging Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • ZKB|256
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Table 3-5 C6745 Top Level Memory Map

Start Address End Address Size DSP Mem Map EDMA Mem Map PRUSS Mem Map Master Peripheral Mem Map LCDC Mem Map
0x0000 0000 0x0000 0FFF 4K - PRUSS Local Address Space
0x0000 1000 0x006F FFFF
0x0070 0000 0x007F FFFF 1024K DSP L2 ROM (1) -
0x0080 0000 0x0083 FFFF 256K DSP L2 RAM -
0x0084 0000 0x00DF FFFF -
0x00E0 0000 0x00E0 7FFF 32K DSP L1P RAM -
0x00E0 8000 0x00EF FFFF
0x00F0 0000 0x00F0 7FFF 32K DSP L1D RAM -
0x00F0 8000 0x017F FFFF
0x0180 0000 0x0180 FFFF 64K DSP Interrupt Controller -
0x0181 0000 0x0181 0FFF 4K DSP Powerdown Controller -
0x0181 1000 0x0181 1FFF 4K DSP Security ID -
0x0181 2000 0x0181 2FFF 4K DSP Revision ID -
0x0181 3000 0x0181 FFFF 52K - -
0x0182 0000 0x0182 FFFF 64K DSP EMC -
0x0183 0000 0x0183 FFFF 64K DSP Internal Reserved -
0x0184 0000 0x0184 FFFF 64K DSP Memory System -
0x0185 0000 0x01BF FFFF
0x01C0 0000 0x01C0 7FFF 32K EDMA3 Channel Controller -
0x01C0 8000 0x01C0 83FF 1024 EDMA3 Transfer Controller 0 -
0x01C0 8400 0x01C0 87FF 1024 EDMA3 Transfer Controller 1 -
0x01C0 8800 0x01C0 FFFF
0x01C1 0000 0x01C1 0FFF 4K PSC 0 -
0x01C1 1000 0x01C1 1FFF 4K PLL Controller -
0x01C1 2000 0x01C1 3FFF
0x01C1 4000 0x01C1 4FFF 4K SYSCFG -
0x01C1 5000 0x01C1 FFFF -
0x01C2 0000 0x01C2 0FFF 4K Timer64P 0 -
0x01C2 1000 0x01C2 1FFF 4K Timer64P 1 -
0x01C2 2000 0x01C2 2FFF 4K I2C 0 -
0x01C2 3000 0x01C3 FFFF -
0x01C4 0000 0x01C4 0FFF 4K MMC/SD 0 -
0x01C4 1000 0x01C4 1FFF 4K SPI 0 -
0x01C4 2000 0x01C4 2FFF 4K UART 0 -
0x01C4 3000 0x01CF FFFF -
0x01D0 0000 0x01D0 0FFF 4K McASP 0 Control -
0x01D0 1000 0x01D0 1FFF 4K McASP 0 AFIFO Control -
0x01D0 2000 0x01D0 2FFF 4K McASP 0 Data -
0x01D0 3000 0x01D0 3FFF -
0x01D0 4000 0x01D0 4FFF 4K McASP 1 Control -
0x01D0 5000 0x01D0 5FFF 4K McASP 1 AFIFO Control -
0x01D0 6000 0x01D0 6FFF 4K McASP 1 Data -
0x01D0 7000 0x01D0 BFFF -
0x01D0 C000 0x01D0 CFFF 4K UART 1 -
0x01D0 D000 0x01D0 DFFF 4K UART 2 -
0x01D0 E000 0x01DF FFFF -
0x01E0 0000 0x01E0 FFFF 64K USB0 -
0x01E1 0000 0x01E1 1FFF -
0x01E1 2000 0x01E1 2FFF 4K SPI 1 -
0x01E1 3000 0x01E1 4FFF 4K Memory Protection Unit 1 (MPU 1) -
0x01E1 5000 0x01E1 5FFF 4K Memory Protection Unit 2 (MPU 2) -
0x01E1 6000 0x01E1 FFFF -
0x01E2 0000 0x01E2 1FFF 8K EMAC Control Module RAM -
0x01E2 2000 0x01E2 2FFF 4K EMAC Control Module Registers -
0x01E2 3000 0x01E2 3FFF 4K EMAC Control Registers -
0x01E2 4000 0x01E2 4FFF 4K EMAC MDIO port -
0x01E2 5000 0x01E2 6FFF 4K GPIO -
0x01E2 7000 0x01E2 7FFF 4K PSC 1 -
0x01E2 8000 0x01E2 8FFF 4K I2C 1 -
0x01E2 9000 0x01EF FFFF -
0x01F0 0000 0x01F0 0FFF 4K eHRPWM 0 -
0x01F0 1000 0x01F0 1FFF 4K HRPWM 0 -
0x01F0 2000 0x01F0 2FFF 4K eHRPWM 1 -
0x01F0 3000 0x01F0 3FFF 4K HRPWM 1 -
0x01F0 4000 0x01F0 4FFF 4K eHRPWM 2 -
0x01F0 5000 0x01F0 5FFF 4K HRPWM 2 -
0x01F0 6000 0x01F0 6FFF 4K ECAP 0 -
0x01F0 7000 0x01F0 7FFF 4K ECAP 1 -
0x01F0 8000 0x01F0 8FFF 4K ECAP 2 -
0x01F0 9000 0x01F0 9FFF 4K EQEP 0 -
0x01F0 A000 0x01F0 AFFF 4K EQEP 1 -
0x01F0 B000 0x116F FFFF -
0x1170 0000 0x117F FFFF 1024K DSP L2 ROM (1) -
0x1180 0000 0x1183 FFFF 256K DSP L2 RAM -
0x1184 0000 0x11DF FFFF -
0x11E0 0000 0x11E0 7FFF 32K DSP L1P RAM -
0x11E0 8000 0x11EF FFFF -
0x11F0 0000 0x11F0 7FFF 32K DSP L1D RAM -
0x11F0 8000 0x3FFF FFFF -
0x4000 0000 0x5FFF FFFF
0x6000 0000 0x61FF FFFF 32M EMIFA async data (CS2) -
0x6200 0000 0x63FF FFFF 32M EMIFA async data (CS3) -
0x6400 0000 0x65FF FFFF 32M EMIFA async data (CS4) -
0x6600 0000 0x67FF FFFF 32M EMIFA async data (CS5) -
0x6800 0000 0x6800 7FFF 32K EMIFA Control Registers -
0x6800 8000 0xAFFF FFFF -
0xB000 0000 0xB000 7FFF 32K EMIFB Control Registers
0xB000 8000 0xBFFF FFFF -
0xC000 0000 0xC7FF FFFF 128M EMIFB SDRAM Data
0xC800 0000 0xDFFF FFFF -
(1) The DSP L2 ROM is used for boot purposes and cannot be programmed with application code