ZHCSPD4A April   2022  – September 2022 PCM3120-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4.     Thermal Information
    5. 7.4  Electrical Characteristics
    6. 7.5  Timing Requirements: I2C Interface
    7. 7.6  Switching Characteristics: I2C Interface
    8. 7.7  Timing Requirements: TDM, I2S or LJ Interface
    9. 7.8  Switching Characteristics: TDM, I2S or LJ Interface
    10.     Timing Requirements: PDM Digital Microphone Interface
    11. 7.9  Switching Characteristics: PDM Digial Microphone Interface
    12. 7.10 Timing Diagrams
    13. 7.11 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Serial Interfaces
        1. 8.3.1.1 Control Serial Interfaces
        2. 8.3.1.2 Audio Serial Interfaces
          1. 8.3.1.2.1 Time Division Multiplexed Audio (TDM) Interface
          2. 8.3.1.2.2 Inter IC Sound (I2S) Interface
          3. 8.3.1.2.3 Left-Justified (LJ) Interface
        3. 8.3.1.3 Using Multiple Devices With Shared Buses
      2. 8.3.2  Phase-Locked Loop (PLL) and Clock Generation
      3. 8.3.3  Input Channel Configurations
      4. 8.3.4  Reference Voltage
      5. 8.3.5  Programmable Microphone Bias
      6. 8.3.6  Signal-Chain Processing
        1. 8.3.6.1 Programmable Channel Gain and Digital Volume Control
        2. 8.3.6.2 Programmable Channel Gain Calibration
        3. 8.3.6.3 Programmable Channel Phase Calibration
        4. 8.3.6.4 Programmable Digital High-Pass Filter
        5. 8.3.6.5 Programmable Digital Biquad Filters
        6. 8.3.6.6 Programmable Channel Summer and Digital Mixer
        7. 8.3.6.7 Configurable Digital Decimation Filters
          1. 8.3.6.7.1 Linear Phase Filters
            1. 8.3.6.7.1.1 Sampling Rate: 7.35 kHz to 8 kHz
            2. 8.3.6.7.1.2 Sampling Rate: 14.7 kHz to 16 kHz
            3. 8.3.6.7.1.3 Sampling Rate: 22.05 kHz to 24 kHz
            4. 8.3.6.7.1.4 Sampling Rate: 29.4 kHz to 32 kHz
            5. 8.3.6.7.1.5 Sampling Rate: 44.1 kHz to 48 kHz
            6. 8.3.6.7.1.6 Sampling Rate: 88.2 kHz to 96 kHz
            7. 8.3.6.7.1.7 Sampling Rate: 176.4 kHz to 192 kHz
            8. 8.3.6.7.1.8 Sampling Rate: 352.8 kHz to 384 kHz
            9. 8.3.6.7.1.9 Sampling Rate: 705.6 kHz to 768 kHz
          2. 8.3.6.7.2 Low-Latency Filters
            1. 8.3.6.7.2.1 Sampling Rate: 14.7 kHz to 16 kHz
            2. 8.3.6.7.2.2 Sampling Rate: 22.05 kHz to 24 kHz
            3. 8.3.6.7.2.3 Sampling Rate: 29.4 kHz to 32 kHz
            4. 8.3.6.7.2.4 Sampling Rate: 44.1 kHz to 48 kHz
            5. 8.3.6.7.2.5 Sampling Rate: 88.2 kHz to 96 kHz
            6. 8.3.6.7.2.6 Sampling Rate: 176.4 kHz to 192 kHz
          3. 8.3.6.7.3 Ultra-Low Latency Filters
            1. 8.3.6.7.3.1 Sampling Rate: 14.7 kHz to 16 kHz
            2. 8.3.6.7.3.2 Sampling Rate: 22.05 kHz to 24 kHz
            3. 8.3.6.7.3.3 Sampling Rate: 29.4 kHz to 32 kHz
            4. 8.3.6.7.3.4 Sampling Rate: 44.1 kHz to 48 kHz
            5. 8.3.6.7.3.5 Sampling Rate: 88.2 kHz to 96 kHz
            6. 8.3.6.7.3.6 Sampling Rate: 176.4 kHz to 192 kHz
            7. 8.3.6.7.3.7 Sampling Rate: 352.8 kHz to 384 kHz
      7. 8.3.7  Automatic Gain Controller (AGC)
      8. 8.3.8  Voice Activity Detection (VAD)
      9. 8.3.9  Digital PDM Microphone Record Channel
      10. 8.3.10 Interrupts, Status, and Digital I/O Pin Multiplexing
    4. 8.4 Device Functional Modes
      1. 8.4.1 Sleep Mode or Software Shutdown
      2. 8.4.2 Active Mode
      3. 8.4.3 Software Reset
    5. 8.5 Programming
      1. 8.5.1 Control Serial Interfaces
        1. 8.5.1.1 I2C Control Interface
          1. 8.5.1.1.1 General I2C Operation
            1. 8.5.1.1.1.1 I2C Single-Byte and Multiple-Byte Transfers
              1. 8.5.1.1.1.1.1 I2C Single-Byte Write
              2. 8.5.1.1.1.1.2 I2C Multiple-Byte Write
              3. 8.5.1.1.1.1.3 I2C Single-Byte Read
              4. 8.5.1.1.1.1.4 I2C Multiple-Byte Read
    6. 8.6 Register Maps
      1. 8.6.1 Device Configuration Registers
        1. 8.6.1.1 PCM3120-Q1 Access Codes
      2. 8.6.2 Page 0 Registers
      3. 8.6.3 Page 1 Registers
      4. 8.6.4 Programmable Coefficient Registers
        1. 8.6.4.1 Programmable Coefficient Registers: Page 2
        2. 8.6.4.2 Programmable Coefficient Registers: Page 3
        3. 8.6.4.3 Programmable Coefficient Registers: Page 4
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Two-Channel Analog Microphone Recording
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Example Device Register Configuration Script for EVM Setup
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Four-Channel Digital PDM Microphone Recording
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
          1. 9.2.2.2.1 Example Device Register Configuration Script for EVM Setup
    3. 9.3 What to Do and What Not to Do
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information
    1. 13.1 Tape and Reel Information

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机械数据 (封装 | 引脚)
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8.6.4.3 Programmable Coefficient Registers: Page 4

This register page (shown in Table 8-113) consists of the programmable coefficients for mixer 1 to mixer 4 and the first-order IIR filter.

Table 8-113 Page 4 Programmable Coefficient Registers
ADDRESS ACRONYM REGISTER NAME RESET VALUE
0x00 PAGE[7:0] Device page register 0x00
0x08 MIX1_CH1_BYT1[7:0] Digital mixer 1, channel 1 coefficient byte[31:24] 0x7F
0x09 MIX1_CH1_BYT2[7:0] Digital mixer 1, channel 1 coefficient byte[23:16] 0xFF
0x0A MIX1_CH1_BYT3[7:0] Digital mixer 1, channel 1 coefficient byte[15:8] 0xFF
0x0B MIX1_CH1_BYT4[7:0] Digital mixer 1, channel 1 coefficient byte[7:0] 0xFF
0x0C MIX1_CH2_BYT1[7:0] Digital mixer 1, channel 2 coefficient byte[31:24] 0x00
0x0D MIX1_CH2_BYT2[7:0] Digital mixer 1, channel 2 coefficient byte[23:16] 0x00
0x0E MIX1_CH2_BYT3[7:0] Digital mixer 1, channel 2 coefficient byte[15:8] 0x00
0x0F MIX1_CH2_BYT4[7:0] Digital mixer 1, channel 2 coefficient byte[7:0] 0x00
0x10 MIX1_CH3_BYT1[7:0] Digital mixer 1, channel 3 coefficient byte[31:24] 0x00
0x11 MIX1_CH3_BYT2[7:0] Digital mixer 1, channel 3 coefficient byte[23:16] 0x00
0x12 MIX1_CH3_BYT3[7:0] Digital mixer 1, channel 3 coefficient byte[15:8] 0x00
0x13 MIX1_CH3_BYT4[7:0] Digital mixer 1, channel 3 coefficient byte[7:0] 0x00
0x14 MIX1_CH4_BYT1[7:0] Digital mixer 1, channel 4 coefficient byte[31:24] 0x00
0x15 MIX1_CH4_BYT2[7:0] Digital mixer 1, channel 4 coefficient byte[23:16] 0x00
0x16 MIX1_CH4_BYT3[7:0] Digital mixer 1, channel 4 coefficient byte[15:8] 0x00
0x17 MIX1_CH4_BYT4[7:0] Digital mixer 1, channel 4 coefficient byte[7:0] 0x00
0x18 MIX2_CH1_BYT1[7:0] Digital mixer 2, channel 1 coefficient byte[31:24] 0x00
0x19 MIX2_CH1_BYT2[7:0] Digital mixer 2, channel 1 coefficient byte[23:16] 0x00
0x1A MIX2_CH1_BYT3[7:0] Digital mixer 2, channel 1 coefficient byte[15:8] 0x00
0x1B MIX2_CH1_BYT4[7:0] Digital mixer 2, channel 1 coefficient byte[7:0] 0x00
0x1C MIX2_CH2_BYT1[7:0] Digital mixer 2, channel 2 coefficient byte[31:24] 0x7F
0x1D MIX2_CH2_BYT2[7:0] Digital mixer 2, channel 2 coefficient byte[23:16] 0xFF
0x1E MIX2_CH2_BYT3[7:0] Digital mixer 2, channel 2 coefficient byte[15:8] 0xFF
0x1F MIX2_CH2_BYT4[7:0] Digital mixer 2, channel 2 coefficient byte[7:0] 0xFF
0x20 MIX2_CH3_BYT1[7:0] Digital mixer 2, channel 3 coefficient byte[31:24] 0x00
0x21 MIX2_CH3_BYT2[7:0] Digital mixer 2, channel 3 coefficient byte[23:16] 0x00
0x22 MIX2_CH3_BYT3[7:0] Digital mixer 2, channel 3 coefficient byte[15:8] 0x00
0x23 MIX2_CH3_BYT4[7:0] Digital mixer 2, channel 3 coefficient byte[7:0] 0x00
0x24 MIX2_CH4_BYT1[7:0] Digital mixer 2, channel 4 coefficient byte[31:24] 0x00
0x25 MIX2_CH4_BYT2[7:0] Digital mixer 2, channel 4 coefficient byte[23:16] 0x00
0x26 MIX2_CH4_BYT3[7:0] Digital mixer 2, channel 4 coefficient byte[15:8] 0x00
0x27 MIX2_CH4_BYT4[7:0] Digital mixer 2, channel 4 coefficient byte[7:0] 0x00
0x28 MIX3_CH1_BYT1[7:0] Digital mixer 3, channel 1 coefficient byte[31:24] 0x00
0x29 MIX3_CH1_BYT2[7:0] Digital mixer 3, channel 1 coefficient byte[23:16] 0x00
0x2A MIX3_CH1_BYT3[7:0] Digital mixer 3, channel 1 coefficient byte[15:8] 0x00
0x2B MIX3_CH1_BYT4[7:0] Digital mixer 3, channel 1 coefficient byte[7:0] 0x00
0x2C MIX3_CH2_BYT1[7:0] Digital mixer 3, channel 2 coefficient byte[31:24] 0x00
0x2D MIX3_CH2_BYT2[7:0] Digital mixer 3, channel 2 coefficient byte[23:16] 0x00
0x2E MIX3_CH2_BYT3[7:0] Digital mixer 3, channel 2 coefficient byte[15:8] 0x00
0x2F MIX3_CH2_BYT4[7:0] Digital mixer 3, channel 2 coefficient byte[7:0] 0x00
0x30 MIX3_CH3_BYT1[7:0] Digital mixer 3, channel 3 coefficient byte[31:24] 0x7F
0x31 MIX3_CH3_BYT2[7:0] Digital mixer 3, channel 3 coefficient byte[23:16] 0xFF
0x32 MIX3_CH3_BYT3[7:0] Digital mixer 3, channel 3 coefficient byte[15:8] 0xFF
0x33 MIX3_CH3_BYT4[7:0] Digital mixer 3, channel 3 coefficient byte[7:0] 0xFF
0x34 MIX3_CH4_BYT1[7:0] Digital mixer 3, channel 4 coefficient byte[31:24] 0x00
0x35 MIX3_CH4_BYT2[7:0] Digital mixer 3, channel 4 coefficient byte[23:16] 0x00
0x36 MIX3_CH4_BYT3[7:0] Digital mixer 3, channel 4 coefficient byte[15:8] 0x00
0x37 MIX3_CH4_BYT4[7:0] Digital mixer 3, channel 4 coefficient byte[7:0] 0x00
0x38 MIX4_CH1_BYT1[7:0] Digital mixer 4, channel 1 coefficient byte[31:24] 0x00
0x39 MIX4_CH1_BYT2[7:0] Digital mixer 4, channel 1 coefficient byte[23:16] 0x00
0x3A MIX4_CH1_BYT3[7:0] Digital mixer 4, channel 1 coefficient byte[15:8] 0x00
0x3B MIX4_CH1_BYT4[7:0] Digital mixer 4, channel 1 coefficient byte[7:0] 0x00
0x3C MIX4_CH2_BYT1[7:0] Digital mixer 4, channel 2 coefficient byte[31:24] 0x00
0x3D MIX4_CH2_BYT2[7:0] Digital mixer 4, channel 2 coefficient byte[23:16] 0x00
0x3E MIX4_CH2_BYT3[7:0] Digital mixer 4, channel 2 coefficient byte[15:8] 0x00
0x3F MIX4_CH2_BYT4[7:0] Digital mixer 4, channel 2 coefficient byte[7:0] 0x00
0x40 MIX4_CH3_BYT1[7:0] Digital mixer 4, channel 3 coefficient byte[31:24] 0x00
0x41 MIX4_CH3_BYT2[7:0] Digital mixer 4, channel 3 coefficient byte[23:16] 0x00
0x42 MIX4_CH3_BYT3[7:0] Digital mixer 4, channel 3 coefficient byte[15:8] 0x00
0x43 MIX4_CH3_BYT4[7:0] Digital mixer 4, channel 3 coefficient byte[7:0] 0x00
0x44 MIX4_CH4_BYT1[7:0] Digital mixer 4, channel 4 coefficient byte[31:24] 0x7F
0x45 MIX4_CH4_BYT2[7:0] Digital mixer 4, channel 4 coefficient byte[23:16] 0xFF
0x46 MIX4_CH4_BYT3[7:0] Digital mixer 4, channel 4 coefficient byte[15:8] 0xFF
0x47 MIX4_CH4_BYT4[7:0] Digital mixer 4, channel 4 coefficient byte[7:0] 0xFF
0x48 IIR_N0_BYT1[7:0] Programmable first-order IIR, N0 coefficient byte[31:24] 0x7F
0x49 IIR_N0_BYT2[7:0] Programmable first-order IIR, N0 coefficient byte[23:16] 0xFF
0x4A IIR_N0_BYT3[7:0] Programmable first-order IIR, N0 coefficient byte[15:8] 0xFF
0x4B IIR_N0_BYT4[7:0] Programmable first-order IIR, N0 coefficient byte[7:0] 0xFF
0x4C IIR_N1_BYT1[7:0] Programmable first-order IIR, N1 coefficient byte[31:24] 0x00
0x4D IIR_N1_BYT2[7:0] Programmable first-order IIR, N1 coefficient byte[23:16] 0x00
0x4E IIR_N1_BYT3[7:0] Programmable first-order IIR, N1 coefficient byte[15:8] 0x00
0x4F IIR_N1_BYT4[7:0] Programmable first-order IIR, N1 coefficient byte[7:0] 0x00
0x50 IIR_D1_BYT1[7:0] Programmable first-order IIR, D1 coefficient byte[31:24] 0x00
0x51 IIR_D1_BYT2[7:0] Programmable first-order IIR, D1 coefficient byte[23:16] 0x00
0x52 IIR_D1_BYT3[7:0] Programmable first-order IIR, D1 coefficient byte[15:8] 0x00
0x53 IIR_D1_BYT4[7:0] Programmable first-order IIR, D1 coefficient byte[7:0] 0x00
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