ZHCSPU9 February   2024 TCAN1465-Q1 , TCAN1469-Q1

ADVANCE INFORMATION  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  ESD Ratings
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Information
    6. 6.6  Supply Characteristics
    7. 6.7  Electrical Characteristics
    8. 6.8  Timing Requirements
    9. 6.9  Switching Characteristics
    10. 6.10 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  VSUP Pin
      2. 8.3.2  VIO Pin
      3. 8.3.3  VCC Pin
      4. 8.3.4  GND
      5. 8.3.5  INH/LIMP Pin
      6. 8.3.6  WAKE Pin
      7. 8.3.7  TXD Pin
      8. 8.3.8  RXD Pin
      9. 8.3.9  SDO or nINT Interrupt Pin
      10. 8.3.10 nCS Pin
      11. 8.3.11 SCK
      12. 8.3.12 SDI
      13. 8.3.13 CANH and CANL Bus Pins
      14. 8.3.14 CAN FD SIC Transceiver
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Mode
      2. 8.4.2 Standby Mode
      3. 8.4.3 Listen Only Mode
      4. 8.4.4 Sleep Mode
        1. 8.4.4.1 Bus Wake via RXD Request (BWRR) in Sleep Mode
        2. 8.4.4.2 Local Wake Up (LWU) via WAKE Input Terminal
      5. 8.4.5 Selective Wake-up
        1. 8.4.5.1 Selective Wake Mode
        2. 8.4.5.2 Frame Detection
        3. 8.4.5.3 Wake-Up Frame (WUF) Validation
        4. 8.4.5.4 WUF ID Validation
        5. 8.4.5.5 WUF DLC Validation
        6. 8.4.5.6 WUF Data Validation
        7. 8.4.5.7 Frame error counter
        8. 8.4.5.8 CAN FD Frame Tolerance
      6. 8.4.6 Fail-safe Features
        1. 8.4.6.1 Sleep Mode via Sleep Wake Error
        2. 8.4.6.2 Fail-safe Mode
      7. 8.4.7 Protection Features
        1. 8.4.7.1 Driver and Receiver Function
        2. 8.4.7.2 Floating Terminals
        3. 8.4.7.3 TXD Dominant Time Out (DTO)
        4. 8.4.7.4 CAN Bus Short Circuit Current Limiting
        5. 8.4.7.5 Thermal Shutdown
        6. 8.4.7.6 Under-Voltage Lockout (UVLO) and Unpowered Device
          1. 8.4.7.6.1 UVSUP, UVCC
          2. 8.4.7.6.2 UVIO
            1. 8.4.7.6.2.1 Fault Behavior
        7. 8.4.7.7 Watchdog (TCAN1469-Q1)
          1. 8.4.7.7.1 Watchdog Error Counter
          2. 8.4.7.7.2 Watchdog SPI Control Programming
            1. 8.4.7.7.2.1 Watchdog Configuration Registers Lock and Unlock
          3. 8.4.7.7.3 Watchdog Timing
          4. 8.4.7.7.4 Question and Answer Watchdog
            1. 8.4.7.7.4.1 WD Question and Answer Basic Information
            2. 8.4.7.7.4.2 Question and Answer Register and Settings
            3. 8.4.7.7.4.3 WD Question and Answer Value Generation
              1. 8.4.7.7.4.3.1 Answer Comparison
              2. 8.4.7.7.4.3.2 Sequence of the 2-bit Watchdog Answer Counter
            4. 8.4.7.7.4.4 Question and Answer WD Example
              1. 8.4.7.7.4.4.1 Example Configuration for Desired Behavior
              2. 8.4.7.7.4.4.2 Example of Performing a Question and Answer Sequence
      8. 8.4.8 Bus Fault Detection and Communication (TCAN1469-Q1)
    5. 8.5 Programming
      1. 8.5.1 SPI Communication
        1. 8.5.1.1 Chip Select Not (nCS):
        2. 8.5.1.2 SPI Clock Input (SCK):
        3. 8.5.1.3 SPI Serial Data Input (SDI):
        4. 8.5.1.4 SPI Serial Data Output (SDO):
  10. 9 Application Information Disclaimer
    1. 9.1 Application Information
      1. 9.1.1 Signal Improvement Capable (SIC)
      2. 9.1.2 CAN Termination
        1. 9.1.2.1 Termination
        2. 9.1.2.2 CAN Bus Biasing
    2. 9.2 Typical Application
      1. 9.2.1 Detailed Design Procedure
        1. 9.2.1.1 Brownout
      2. 9.2.2 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Registers
    1. 10.1 Register Maps
      1. 10.1.1  DEVICE_ID_y Register (Address = 0h + formula) [reset = value]
      2. 10.1.2  REV_ID_MAJOR Register (Address = 8h) [reset = 01h]
      3. 10.1.3  REV_ID_MINOR Register (Address = 9h) [reset = 00h]
      4. 10.1.4  SPI_RSVD_x Register (Address = Ah + formula) [reset = 00h]
      5. 10.1.5  Scratch_Pad_SPI Register (Address = Fh) [reset = 00h]
      6. 10.1.6  MODE_CNTRL Register (Address = 10h) [reset = 04h]
      7. 10.1.7  WAKE_PIN_CONFIG Register (Address = 11h) [reset = 4h]
      8. 10.1.8  PIN_CONFIG Register (Address = 12h) [reset = 00h]
      9. 10.1.9  WD_CONFIG_1 Register (Address = 13h) [reset = 15h]
      10. 10.1.10 WD_CONFIG_2 Register (Address = 14h) [reset = 02h]
      11. 10.1.11 WD_INPUT_TRIG Register (Address = 15h) [reset = 00h]
      12. 10.1.12 WD_RST_PULSE Register (Address = 16h) [reset = 07h]
      13. 10.1.13 FSM_CONFIG Register (Address = 17h) [reset = 00h]
      14. 10.1.14 FSM_CNTR Register (Address = 18h) [reset = 00h]
      15. 10.1.15 DEVICE_RST Register (Address = 19h) [reset = 00h]
      16. 10.1.16 DEVICE_CONFIG1 Register (Address = 1Ah) [reset = 00h]
      17. 10.1.17 DEVICE_CONFIG2 Register (Address = 1Bh) [reset = 0h]
      18. 10.1.18 SWE_EN Register (Address 1Ch) [reset = 04h]
      19. 10.1.19 SDO_CONFIG Register (Address = 29h) [reset = 00h]
      20. 10.1.20 WD_QA_CONFIG Register (Address = 2Dh) [reset = 00h]
      21. 10.1.21 WD_QA_ANSWER Register (Address = 2Eh) [reset = 00h]
      22. 10.1.22 WD_QA_QUESTION Register (Address = 2Fh) [reset = 3Ch]
      23. 10.1.23 SW_ID1 Register (Address = 30h) [reset = 00h]
      24. 10.1.24 SW_ID2 Register (Address = 31h) [reset = 00h]
      25. 10.1.25 SW_ID3 Register (Address = 32h) [reset = 00h]
      26. 10.1.26 SW_ID4 Register (Address = 33h) [reset = 00h]
      27. 10.1.27 SW_ID_MASK1 Register (Address = 34h) [reset = 00h]
      28. 10.1.28 SW_ID_MASK2 Register (Address = 35h) [reset = 00h]
      29. 10.1.29 SW_ID_MASK3 Register (Address = 36h) [reset = 00h]
      30. 10.1.30 SW_ID_MASK4 Register (Address = 37h) [reset = 00h]
      31. 10.1.31 SW_ID_MASK_DLC Register (Address = 38h) [reset = 00h]
      32. 10.1.32 DATA_y Register (Address = 39h + formula) [reset = 00h]
      33. 10.1.33 SW_RSVD_y Register (Address = 41h + formula) [reset = 00h]
      34. 10.1.34 SW_CONFIG_1 Register (Address = 44h) [reset = 50h]
      35. 10.1.35 SW_CONFIG_2 Register (Address = 45h) [reset = 00h]
      36. 10.1.36 SW_CONFIG_3 Register (Address = 46h) [reset = 1Fh]
      37. 10.1.37 SW_CONFIG_4 Register (Address = 47h) [reset = 00h]
      38. 10.1.38 SW_CONFIG_RSVD_y Register (Address = 48h + formula) [reset = 00h]
      39. 10.1.39 DEVICE_CONFIGx Register (Address = 4Bh) [reset = 0h]
      40. 10.1.40 INT_GLOBAL Register (Address = 50h) [reset = 00h]
      41. 10.1.41 INT_1 Register (Address = 51h) [reset = 00h]
      42. 10.1.42 INT_2 Register (Address = 52h) [reset = 40h]
      43. 10.1.43 INT_3 Register (Address 53h) [reset = 00h]
      44. 10.1.44 INT_CANBUS Register (Address = 54h) [reset = 00h]
      45. 10.1.45 INT_GLOBAL_ENABLE (Address = 55h) [reset = 00h]
      46. 10.1.46 INT_ENABLE_1 Register (Address = 56h) [reset = FFh]
      47. 10.1.47 INT_ENABLE_2 Register (Address = 57h) [reset = 1Fh]
      48. 10.1.48 INT_ENABLE_3 Register (Address = 58h) [reset = 0h]
      49. 10.1.49 INT_ENABLE_CANBUS Register (Address = 59h) [reset = 7Fh]
      50. 10.1.50 INT_RSVD_y Register (Address = 5Ah + formula) [reset = 00h]
  12. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 CAN Transceiver Physical Layer Standards:
      2. 11.1.2 EMC Requirements:
      3. 11.1.3 Conformance Test Requirements:
      4. 11.1.4 Related Documentation
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

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10.1.35 SW_CONFIG_2 Register (Address = 45h) [reset = 00h]

SW_CONFIG_2 is shown in Figure 10-35 and described in Table 10-37.

Return to Summary Table for TCAN1465-Q1 and TCAN1469-Q1.

Frame Error Counter: this error counter is incremented by 1 for every received frame error detected (stuff bit, CRC or CRC delimiter form error). The counter is decremented by 1 for every correctly received CAN frame assuming the counter is not zero. If the device is set for passive on CAN with flexible data rate frames, any frame detected as a CAN FD frame will have no impact on the frame error counter (no increment or decrement). If the frame counter reaches FRAME_CNT_THRESHOLD[7:0] value, the next increment overflows the counter, set FRAME_OVF flag. The counter is reset by the following: enabling the frame detection or tSILENCE detection.

Figure 10-35 SW_CONFIG_2 Register
76543210
FRAME_CNTx
RH-00h
Table 10-37 SW_CONFIG_2 Register Field Descriptions
BitFieldTypeResetDescription
7-0FRAME_CNTxRH00hFrame Error Counter: this error counter is incremented by 1 for every received frame error detected (stuff bit, CRC or CRC delimiter form error). The counter is decremented by 1 for every correctly received CAN frame assuming the counter is not zero. In case the device is set for passive on CAN with flexible data rate frames, any frame detected as a CAN FD frame will have no impact on the frame error counter (no increment or decrement). If the frame counter reaches FRAME_CNT_THRESHOLD[7:0] value the next increment will overflow the counter, set FRAME_OVF flag. The counter is reset by the following: enabling the frame detection or tSILENCE detection.
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