ZHCSA18F March   2009  – February 2021 TMS320C28341 , TMS320C28342 , TMS320C28343 , TMS320C28343-Q1 , TMS320C28344 , TMS320C28345 , TMS320C28346 , TMS320C28346-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1. 3.1 Functional Block Diagram
  4. 4 Revision History
  5. 5 Device Comparison
    1. 5.1 Related Products
  6. 6 Terminal Configuration and Functions
    1. 6.1 Pin Diagrams
    2. 6.2 Signal Descriptions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings (1) (1)
    2. 7.2 ESD Ratings – Automotive
    3. 7.3 ESD Ratings – Commercial
    4. 7.4 Recommended Operating Conditions
    5. 7.5 Power Consumption Summary
      1. 7.5.1 TMS320C28346/C28344 (1) Current Consumption by Power-Supply Pins at 300-MHz SYSCLKOUT
      2. 7.5.2 TMS320C28345/C28343 (1) Current Consumption by Power-Supply Pins at 200-MHz SYSCLKOUT
      3. 7.5.3 Reducing Current Consumption
    6. 7.6 Electrical Characteristics
    7. 7.7 Thermal Resistance Characteristics
      1. 7.7.1 ZHH Package
      2. 7.7.2 ZFE Package
    8. 7.8 Thermal Design Considerations
    9. 7.9 Timing and Switching Characteristics
      1. 7.9.1 Timing Parameter Symbology
        1. 7.9.1.1 General Notes on Timing Parameters
        2. 7.9.1.2 Test Load Circuit
        3. 7.9.1.3 Device Clock Table
          1. 7.9.1.3.1 Clocking and Nomenclature (300-MHz Devices)
          2. 7.9.1.3.2 Clocking and Nomenclature (200-MHz Devices)
      2. 7.9.2 Power Sequencing
        1. 7.9.2.1 Power Management and Supervisory Circuit Solutions
        2. 7.9.2.2 Reset ( XRS) Timing Requirements
      3. 7.9.3 Clock Requirements and Characteristics
        1. 7.9.3.1 XCLKIN/X1 Timing Requirements – PLL Enabled
        2. 7.9.3.2 XCLKIN/X1 Timing Requirements – PLL Disabled
        3. 7.9.3.3 XCLKOUT Switching Characteristics (PLL Bypassed or Enabled) (1) (1)
        4. 7.9.3.4 Timing Diagram
      4. 7.9.4 Peripherals
        1. 7.9.4.1 General-Purpose Input/Output (GPIO)
          1. 7.9.4.1.1 GPIO - Output Timing
            1. 7.9.4.1.1.1 General-Purpose Output Switching Characteristics
          2. 7.9.4.1.2 GPIO - Input Timing
            1. 7.9.4.1.2.1 General-Purpose Input Timing Requirements
          3. 7.9.4.1.3 Sampling Window Width for Input Signals
          4. 7.9.4.1.4 Low-Power Mode Wakeup Timing
            1. 7.9.4.1.4.1 IDLE Mode Timing Requirements (1)
            2. 7.9.4.1.4.2 IDLE Mode Switching Characteristics (1)
            3. 7.9.4.1.4.3 IDLE Mode Timing Diagram
            4. 7.9.4.1.4.4 STANDBY Mode Timing Requirements
            5. 7.9.4.1.4.5 STANDBY Mode Switching Characteristics
            6. 7.9.4.1.4.6 STANDBY Mode Timing Diagram
            7. 7.9.4.1.4.7 HALT Mode Timing Requirements
            8. 7.9.4.1.4.8 HALT Mode Switching Characteristics
            9. 7.9.4.1.4.9 HALT Mode Timing Diagram
        2. 7.9.4.2 Enhanced Control Peripherals
          1. 7.9.4.2.1 Enhanced Pulse Width Modulator (ePWM) Timing
            1. 7.9.4.2.1.1 ePWM Timing Requirements (1)
            2. 7.9.4.2.1.2 ePWM Switching Characteristics
          2. 7.9.4.2.2 Trip-Zone Input Timing
            1. 7.9.4.2.2.1 Trip-Zone Input Timing Requirements (1)
          3. 7.9.4.2.3 High-Resolution PWM Timing
            1. 7.9.4.2.3.1 High-Resolution PWM Characteristics at SYSCLKOUT = (150–300 MHz)
          4. 7.9.4.2.4 Enhanced Capture (eCAP) Timing
            1. 7.9.4.2.4.1 Enhanced Capture (eCAP) Timing Requirements (1)
            2. 7.9.4.2.4.2 eCAP Switching Characteristics
          5. 7.9.4.2.5 Enhanced Quadrature Encoder Pulse (eQEP) Timing
            1. 7.9.4.2.5.1 Enhanced Quadrature Encoder Pulse (eQEP) Timing Requirements (1)
            2. 7.9.4.2.5.2 eQEP Switching Characteristics
          6. 7.9.4.2.6 ADC Start-of-Conversion Timing
            1. 7.9.4.2.6.1 External ADC Start-of-Conversion Switching Characteristics
            2. 7.9.4.2.6.2 ADCSOCAO or ADCSOCBO Timing
        3. 7.9.4.3 External Interrupt Timing
          1. 7.9.4.3.1 External Interrupt Timing Requirements (1)
          2. 7.9.4.3.2 External Interrupt Switching Characteristics (1)
          3. 7.9.4.3.3 External Interrupt Timing Diagram
        4. 7.9.4.4 I2C Electrical Specification and Timing
          1. 7.9.4.4.1 I2C Timing
        5. 7.9.4.5 Serial Peripheral Interface (SPI) Timing
          1. 7.9.4.5.1 Master Mode Timing
            1. 7.9.4.5.1.1 SPI Master Mode External Timing (Clock Phase = 0) (1) (1) (1) (1) (1)
            2. 7.9.4.5.1.2 SPI Master Mode External Timing (Clock Phase = 1) (1) (1) (1) (1) (1)
          2. 7.9.4.5.2 Slave Mode Timing
            1. 7.9.4.5.2.1 SPI Slave Mode External Timing (Clock Phase = 0) (1) (1) (1) (1) (1)
            2. 7.9.4.5.2.2 SPI Slave Mode External Timing (Clock Phase = 1) (1) (1) (1) (1)
        6. 7.9.4.6 Multichannel Buffered Serial Port (McBSP) Timing
          1. 7.9.4.6.1 McBSP Transmit and Receive Timing
            1. 7.9.4.6.1.1 McBSP Timing Requirements (1) (1)
            2. 7.9.4.6.1.2 McBSP Switching Characteristics (1) (1)
          2. 7.9.4.6.2 McBSP as SPI Master or Slave Timing
            1. 7.9.4.6.2.1 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 10b, CLKXP = 0) (1)
            2. 7.9.4.6.2.2 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 10b, CLKXP = 0)
            3. 7.9.4.6.2.3 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 11b, CLKXP = 0) (1)
            4. 7.9.4.6.2.4 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 11b, CLKXP = 0)
            5. 7.9.4.6.2.5 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 10b, CLKXP = 1) (1)
            6. 7.9.4.6.2.6 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 10b, CLKXP = 1)
            7. 7.9.4.6.2.7 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 11b, CLKXP = 1) (1)
            8. 7.9.4.6.2.8 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 11b, CLKXP = 1) (1)
      5. 7.9.5 Emulator Connection Without Signal Buffering for the MCU
      6. 7.9.6 External Interface (XINTF) Timing
        1. 7.9.6.1 USEREADY = 0
        2. 7.9.6.2 Synchronous Mode (USEREADY = 1, READYMODE = 0)
        3. 7.9.6.3 Asynchronous Mode (USEREADY = 1, READYMODE = 1)
        4. 7.9.6.4 XINTF Signal Alignment to XCLKOUT
        5. 7.9.6.5 External Interface Read Timing
          1. 7.9.6.5.1 External Interface Read Timing Requirements
          2. 7.9.6.5.2 External Interface Read Switching Characteristics
        6. 7.9.6.6 External Interface Write Timing
          1. 7.9.6.6.1 External Interface Write Switching Characteristics
        7. 7.9.6.7 External Interface Ready-on-Read Timing With One External Wait State
          1. 7.9.6.7.1 External Interface Read Switching Characteristics (Ready-on-Read, One Wait State)
          2. 7.9.6.7.2 External Interface Read Timing Requirements (Ready-on-Read, One Wait State)
          3. 7.9.6.7.3 Synchronous XREADY Timing Requirements (Ready-on-Read, One Wait State) (1)
          4. 7.9.6.7.4 Asynchronous XREADY Timing Requirements (Ready-on-Read, One Wait State)
        8. 7.9.6.8 External Interface Ready-on-Write Timing With One External Wait State
          1. 7.9.6.8.1 External Interface Write Switching Characteristics (Ready-on-Write, One Wait State)
          2. 7.9.6.8.2 Synchronous XREADY Timing Requirements (Ready-on-Write, One Wait State) Table 1-1
          3. 7.9.6.8.3 Asynchronous XREADY Timing Requirements (Ready-on-Write, One Wait State) (1)
        9. 7.9.6.9 XHOLD and XHOLDA Timing
          1. 7.9.6.9.1 XHOLD/ XHOLDA Timing Requirements (1) (1) (1)
  8. 8 Detailed Description
    1. 8.1 Brief Descriptions
      1. 8.1.1  C28x CPU
      2. 8.1.2  Memory Bus (Harvard Bus Architecture)
      3. 8.1.3  Peripheral Bus
      4. 8.1.4  Real-Time JTAG and Analysis
      5. 8.1.5  External Interface (XINTF)
      6. 8.1.6  M0, M1 SARAMs
      7. 8.1.7  L0, L1, L2, L3, L4, L5, L6, L7, H0, H1, H2, H3, H4, H5 SARAMs
      8. 8.1.8  Boot ROM
      9. 8.1.9  Security
      10. 8.1.10 Peripheral Interrupt Expansion (PIE) Block
      11. 8.1.11 External Interrupts (XINT1–XINT7, XNMI)
      12. 8.1.12 Oscillator and PLL
      13. 8.1.13 Watchdog
      14. 8.1.14 Peripheral Clocking
      15. 8.1.15 Low-Power Modes
      16. 8.1.16 Peripheral Frames 0, 1, 2, 3 (PFn)
      17. 8.1.17 General-Purpose Input/Output (GPIO) Multiplexer
      18. 8.1.18 32-Bit CPU-Timers (0, 1, 2)
      19. 8.1.19 Control Peripherals
      20. 8.1.20 Serial Port Peripherals
    2. 8.2 Peripherals
      1. 8.2.1  DMA Overview
      2. 8.2.2  32-Bit CPU-Timer 0, CPU-Timer 1, CPU-Timer 2
      3. 8.2.3  Enhanced PWM Modules
      4. 8.2.4  High-Resolution PWM (HRPWM)
      5. 8.2.5  Enhanced CAP Modules
      6. 8.2.6  Enhanced QEP Modules
      7. 8.2.7  External ADC Interface
      8. 8.2.8  Multichannel Buffered Serial Port (McBSP) Module
      9. 8.2.9  Enhanced Controller Area Network (eCAN) Modules (eCAN-A and eCAN-B)
      10. 8.2.10 Serial Communications Interface (SCI) Modules (SCI-A, SCI-B, SCI-C)
      11. 8.2.11 Serial Peripheral Interface (SPI) Module (SPI-A, SPI-D)
      12. 8.2.12 Inter-Integrated Circuit (I2C)
      13. 8.2.13 GPIO MUX
      14. 8.2.14 External Interface (XINTF)
    3. 8.3 Memory Maps
    4. 8.4 Register Map
      1. 8.4.1 Device Emulation Registers
    5. 8.5 Interrupts
      1. 8.5.1 External Interrupts
    6. 8.6 System Control
      1. 8.6.1 OSC and PLL Block
        1. 8.6.1.1 External Reference Oscillator Clock Option
        2. 8.6.1.2 PLL-Based Clock Module
        3. 8.6.1.3 Loss of Input Clock
      2. 8.6.2 Watchdog Block
    7. 8.7 Low-Power Modes Block
  9. 9 Applications, Implementation, and Layout
    1. 9.1 TI Design or Reference Design
  10. 10Device and Documentation Support
    1. 10.1 Getting Started
    2. 10.2 Device and Development Support Tool Nomenclature
    3. 10.3 Tools and Software
    4. 10.4 Documentation Support
    5. 10.5 支持资源
    6. 10.6 Trademarks
    7. 10.7 静电放电警告
    8. 10.8 术语表
  11. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Packaging Information

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8.2.8 Multichannel Buffered Serial Port (McBSP) Module

The McBSP module has the following features:

  • Compatible to McBSP in TMS320C54x/TMS320C55x DSP devices
  • Full-duplex communication
  • Double-buffered data registers that allow a continuous data stream
  • Independent framing and clocking for receive and transmit
  • External shift clock generation or an internal programmable frequency shift clock
  • A wide selection of data sizes including 8, 12, 16, 20, 24, or 32 bits
  • 8-bit data transfers with LSB or MSB first
  • Programmable polarity for both frame synchronization and data clocks
  • Highly programmable internal clock and frame generation
  • Direct interface to industry-standard CODECs, Analog Interface Chips (AICs), and other serially connected A/D and D/A devices
  • Works with SPI-compatible devices
  • The following application interfaces can be supported on the McBSP:
    • T1/E1 framers
    • IOM-2 compliant devices
    • AC97-compliant devices (the necessary multiphase frame synchronization capability is provided.)
    • IIS-compliant devices
    • SPI
  • McBSP clock rate,
    GUID-846D2A79-1B4D-4CA2-82B7-E45029CCEB33-low.gif

    where CLKSRG source could be LSPCLK, CLKX, or CLKR. Serial port performance is limited by I/O buffer switching speed. Internal prescalers must be adjusted such that the peripheral speed is less than the I/O buffer speed limit.

Note:

See Section 7 for maximum I/O pin toggling speed.

Figure 8-9 shows the block diagram of the McBSP module.

GUID-8BA15965-B78F-4B61-9AE4-6F6D7439D2C0-low.gifFigure 8-9 McBSP Module

Table 8-8 provides a summary of the McBSP registers.

Table 8-8 McBSP Register Summary
NAMEMcBSP-A ADDRESSMcBSP-B ADDRESSTYPERESET VALUEDESCRIPTION
Data Registers, Receive, Transmit
DRR20x50000x5040R0x0000McBSP Data Receive Register 2
DRR10x50010x5041R0x0000McBSP Data Receive Register 1
DXR20x50020x5042W0x0000McBSP Data Transmit Register 2
DXR10x50030x5043W0x0000McBSP Data Transmit Register 1
McBSP Control Registers
SPCR20x50040x5044R/W0x0000McBSP Serial Port Control Register 2
SPCR10x50050x5045R/W0x0000McBSP Serial Port Control Register 1
RCR20x50060x5046R/W0x0000McBSP Receive Control Register 2
RCR10x50070x5047R/W0x0000McBSP Receive Control Register 1
XCR20x50080x5048R/W0x0000McBSP Transmit Control Register 2
XCR10x50090x5049R/W0x0000McBSP Transmit Control Register 1
SRGR20x500A0x504AR/W0x0000McBSP Sample Rate Generator Register 2
SRGR10x500B0x504BR/W0x0000McBSP Sample Rate Generator Register 1
Multichannel Control Registers
MCR20x500C0x504CR/W0x0000McBSP Multichannel Register 2
MCR10x500D0x504DR/W0x0000McBSP Multichannel Register 1
RCERA0x500E0x504ER/W0x0000McBSP Receive Channel Enable Register Partition A
RCERB0x500F0x504FR/W0x0000McBSP Receive Channel Enable Register Partition B
XCERA0x50100x5050R/W0x0000McBSP Transmit Channel Enable Register Partition A
XCERB0x50110x5051R/W0x0000McBSP Transmit Channel Enable Register Partition B
PCR0x50120x5052R/W0x0000McBSP Pin Control Register
RCERC0x50130x5053R/W0x0000McBSP Receive Channel Enable Register Partition C
RCERD0x50140x5054R/W0x0000McBSP Receive Channel Enable Register Partition D
XCERC0x50150x5055R/W0x0000McBSP Transmit Channel Enable Register Partition C
XCERD0x50160x5056R/W0x0000McBSP Transmit Channel Enable Register Partition D
RCERE0x50170x5057R/W0x0000McBSP Receive Channel Enable Register Partition E
RCERF0x50180x5058R/W0x0000McBSP Receive Channel Enable Register Partition F
XCERE0x50190x5059R/W0x0000McBSP Transmit Channel Enable Register Partition E
XCERF0x501A0x505AR/W0x0000McBSP Transmit Channel Enable Register Partition F
RCERG0x501B0x505BR/W0x0000McBSP Receive Channel Enable Register Partition G
RCERH0x501C0x505CR/W0x0000McBSP Receive Channel Enable Register Partition H
XCERG0x501D0x505DR/W0x0000McBSP Transmit Channel Enable Register Partition G
XCERH0x501E0x505ER/W0x0000McBSP Transmit Channel Enable Register Partition H
MFFINT0x50230x5063R/W0x0000McBSP Interrupt Enable Register
MFFST0x50240x5064R/W0x0000McBSP Pin Status Register
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