ZHCSF09A May   2016  – October 2024 FDC2112-Q1 , FDC2114-Q1 , FDC2212-Q1 , FDC2214-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements
    7. 5.7 Switching Characteristics - I2C
    8. 5.8 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Clocking Architecture
      2. 6.3.2 Multi-Channel and Single-Channel Operation
      3. 6.3.3 Current Drive Control Registers
      4. 6.3.4 Device Status Registers
      5. 6.3.5 Input Deglitch Filter
    4. 6.4 Device Functional Modes
      1. 6.4.1 Start-Up Mode
      2. 6.4.2 Normal (Conversion) Mode
      3. 6.4.3 Sleep Mode
      4. 6.4.4 Shutdown Mode
        1. 6.4.4.1 Reset
    5. 6.5 Programming
      1. 6.5.1 I2C Interface Specifications
    6. 6.6 Register Maps
      1. 6.6.1  Register List
      2. 6.6.2  Address 0x00, DATA_CH0
      3. 6.6.3  Address 0x01, DATA_LSB_CH0 (FDC2212 / FDC2214 only)
      4. 6.6.4  Address 0x02, DATA_CH1
      5. 6.6.5  Address 0x03, DATA_LSB_CH1 (FDC2212 / FDC2214 only)
      6. 6.6.6  Address 0x04, DATA_CH2 (FDC2114, FDC2214 only)
      7. 6.6.7  Address 0x05, DATA_LSB_CH2 (FDC2214 only)
      8. 6.6.8  Address 0x06, DATA_CH3 (FDC2114, FDC2214 only)
      9. 6.6.9  Address 0x07, DATA_LSB_CH3 (FDC2214 only)
      10. 6.6.10 Address 0x08, RCOUNT_CH0
      11. 6.6.11 Address 0x09, RCOUNT_CH1
      12. 6.6.12 Address 0x0A, RCOUNT_CH2 (FDC2114, FDC2214 only)
      13. 6.6.13 Address 0x0B, RCOUNT_CH3 (FDC2114, FDC2214 only)
      14. 6.6.14 Address 0x0C, OFFSET_CH0 (FDC21112 / FDC2114 only)
      15. 6.6.15 Address 0x0D, OFFSET_CH1 (FDC21112 / FDC2114 only)
      16. 6.6.16 Address 0x0E, OFFSET_CH2 (FDC2114 only)
      17. 6.6.17 Address 0x0F, OFFSET_CH3 (FDC2114 only)
      18. 6.6.18 Address 0x10, SETTLECOUNT_CH0
      19. 6.6.19 Address 0x11, SETTLECOUNT_CH1
      20. 6.6.20 Address 0x12, SETTLECOUNT_CH2 (FDC2114, FDC2214 only)
      21. 6.6.21 Address 0x13, SETTLECOUNT_CH3 (FDC2114, FDC2214 only)
      22. 6.6.22 Address 0x14, CLOCK_DIVIDERS_CH0
      23. 6.6.23 Address 0x15, CLOCK_DIVIDERS_CH1
      24. 6.6.24 Address 0x16, CLOCK_DIVIDERS_CH2 (FDC2114, FDC2214 only)
      25. 6.6.25 Address 0x17, CLOCK_DIVIDERS_CH3 (FDC2114, FDC2214 only)
      26. 6.6.26 Address 0x18, STATUS
      27. 6.6.27 Address 0x19, ERROR_CONFIG
      28. 6.6.28 Address 0x1A, CONFIG
      29. 6.6.29 Address 0x1B, MUX_CONFIG
      30. 6.6.30 Address 0x1C, RESET_DEV
      31. 6.6.31 Address 0x1E, DRIVE_CURRENT_CH0
      32. 6.6.32 Address 0x1F, DRIVE_CURRENT_CH1
      33. 6.6.33 Address 0x20, DRIVE_CURRENT_CH2 (FDC2114 / FDC2214 only)
      34. 6.6.34 Address 0x21, DRIVE_CURRENT_CH3 (FDC2114 / FDC2214 only)
      35. 6.6.35 Address 0x7E, MANUFACTURER_ID
      36. 6.6.36 Address 0x7F, DEVICE_ID
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Sensor Configuration
      2. 7.1.2 Shield
      3. 7.1.3 Power-Cycled Applications
      4. 7.1.4 Inductor Self-Resonant Frequency
      5. 7.1.5 Application Curves for Proximity Sensing
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Recommended Initial Register Configuration Values
      3. 7.2.3 Application Curve
    3. 7.3 Best Design Practices
    4. 7.4 Power Supply Recommendations
    5. 7.5 Layout
      1. 7.5.1 Layout Guidelines
      2. 7.5.2 Layout Examples
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 接收文档更新通知
    4. 8.4 支持资源
    5. 8.5 Trademarks
    6. 8.6 静电放电警告
    7. 8.7 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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6.6.28 Address 0x1A, CONFIG

Figure 6-35 Address 0x1A, CONFIG
15141312111098
ACTIVE_CHANSLEEP_MODE_ENRESERVEDSENSOR_ACTIVATE_SELRESERVEDREF_CLK_SRCRESERVED
76543210
INTB_DISHIGH_CURRENT_DRVRESERVED
Table 6-36 Address 0x1A, CONFIG Field Descriptions
BitFieldTypeResetDescription
15:14ACTIVE_CHANR/W00Active channel selection
Selects channel for continuous conversions when MUX_CONFIG.SEQUENTIAL is 0.
b00: Perform continuous conversions on Channel 0
b01: Perform continuous conversions on Channel 1
b10: Perform continuous conversions on Channel 2 (FDC2114, FDC2214 only)
b11: Perform continuous conversions on Channel 3 (FDC2114, FDC2214 only)
13SLEEP_MODE_ENR/W1Sleep mode enable
Enter or exit low power sleep mode.
b0: Device is active.
b1: Device is in sleep mode.
12RESERVEDR/W0Reserved. Set to b1.
11SENSOR_ACTIVATE_SELR/W1Sensor activation mode selection.
Set the mode for sensor initialization.
b0: Full current activation mode – the FDC drives the maximum sensor current for a shorter sensor activation time.
b1: Low power activation mode – the FDC uses the value programmed in DRIVE_CURRENT_CHx during sensor activation to minimize power consumption.
10RESERVEDR/W0Reserved. Set to b1.
9REF_CLK_SRCR/W0Select Reference Frequency Source
b0: Use Internal oscillator as reference frequency
b1: Reference frequency is provided from CLKIN pin.
8RESERVEDR/W0Reserved. Set to b0.
7INTB_DISR/W0INTB Disable
b0: Asserts INTB pin when status register updates.
b1: Does not assert INTB pin when status register updates
6HIGH_CURRENT_DRVR/W0High Current Sensor Drive
b0: The FDC drives all channels with normal sensor current (1.5mA maximum).
b1: The FDC drives channel 0 with current >1.5mA.
This mode is not supported if AUTOSCAN_EN = b1 (multi-channel mode)
5:0RESERVEDR/W00 0001Reserved Set to b00’0001
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