SBASAU6B December   2023  – July 2025 PCM3140-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  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  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Timing Requirements: I2C Interface
    7. 6.7  Switching Characteristics: I2C Interface
    8. 6.8  Timing Requirements: SPI Interface
    9. 6.9  Switching Characteristics: SPI Interface
    10. 6.10 Timing Requirements: TDM, I2S or LJ Interface
    11. 6.11 Switching Characteristics: TDM, I2S or LJ Interface
    12. 6.12 Timing Requirements: PDM Digital Microphone Interface
    13. 6.13 Switching Characteristics: PDM Digial Microphone Interface
    14. 6.14 Timing Diagrams
    15. 6.15 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Serial Interfaces
        1. 7.3.1.1 Control Serial Interfaces
        2. 7.3.1.2 Audio Serial Interfaces
          1. 7.3.1.2.1 Time Division Multiplexed Audio (TDM) Interface
          2. 7.3.1.2.2 Inter IC Sound (I2S) Interface
          3. 7.3.1.2.3 Left-Justified (LJ) Interface
        3. 7.3.1.3 Using Multiple Devices With Shared Buses
      2. 7.3.2 Phase-Locked Loop (PLL) and Clock Generation
      3. 7.3.3 Input Channel Configurations
      4. 7.3.4 Reference Voltage
      5. 7.3.5 Programmable Microphone Bias
      6. 7.3.6 Signal-Chain Processing
        1. 7.3.6.1 Programmable Channel Gain and Digital Volume Control
        2. 7.3.6.2 Programmable Channel Gain Calibration
        3. 7.3.6.3 Programmable Channel Phase Calibration
        4. 7.3.6.4 Programmable Digital High-Pass Filter
        5. 7.3.6.5 Programmable Digital Biquad Filters
        6. 7.3.6.6 Programmable Channel Summer and Digital Mixer
        7. 7.3.6.7 Configurable Digital Decimation Filters
          1. 7.3.6.7.1 Linear Phase Filters
            1. 7.3.6.7.1.1 Sampling Rate: 8 kHz or 7.35 kHz
            2. 7.3.6.7.1.2 Sampling Rate: 16 kHz or 14.7 kHz
            3. 7.3.6.7.1.3 Sampling Rate: 24 kHz or 22.05 kHz
            4. 7.3.6.7.1.4 Sampling Rate: 32 kHz or 29.4 kHz
            5. 7.3.6.7.1.5 Sampling Rate: 48 kHz or 44.1 kHz
            6. 7.3.6.7.1.6 Sampling Rate: 96 kHz or 88.2 kHz
            7. 7.3.6.7.1.7 Sampling Rate: 192 kHz or 176.4 kHz
            8. 7.3.6.7.1.8 Sampling Rate: 384 kHz or 352.8 kHz
            9. 7.3.6.7.1.9 Sampling Rate 768 kHz or 705.6 kHz
          2. 7.3.6.7.2 Low-Latency Filters
            1. 7.3.6.7.2.1 Sampling Rate: 16 kHz or 14.7 kHz
            2. 7.3.6.7.2.2 Sampling Rate: 24 kHz or 22.05 kHz
            3. 7.3.6.7.2.3 Sampling Rate: 32 kHz or 29.4 kHz
            4. 7.3.6.7.2.4 Sampling Rate: 48 kHz or 44.1 kHz
            5. 7.3.6.7.2.5 Sampling Rate: 96 kHz or 88.2 kHz
            6. 7.3.6.7.2.6 Sampling Rate 192 kHz or 176.4 kHz
          3. 7.3.6.7.3 Ultra-Low-Latency Filters
            1. 7.3.6.7.3.1 Sampling Rate: 16 kHz or 14.7 kHz
            2. 7.3.6.7.3.2 Sampling Rate: 24 kHz or 22.05 kHz
            3. 7.3.6.7.3.3 Sampling Rate: 32 kHz or 29.4 kHz
            4. 7.3.6.7.3.4 Sampling Rate: 48 kHz or 44.1 kHz
            5. 7.3.6.7.3.5 Sampling Rate: 96 kHz or 88.2 kHz
            6. 7.3.6.7.3.6 Sampling Rate 192 kHz or 176.4 kHz
            7. 7.3.6.7.3.7 Sampling Rate 384 kHz or 352.8 kHz
      7. 7.3.7 Automatic Gain Controller (AGC)
      8. 7.3.8 Digital PDM Microphone Record Channel
      9. 7.3.9 Interrupts, Status, and Digital I/O Pin Multiplexing
    4. 7.4 Device Functional Modes
      1. 7.4.1 Hardware Shutdown
      2. 7.4.2 Sleep Mode or Software Shutdown
      3. 7.4.3 Active Mode
      4. 7.4.4 Software Reset
    5. 7.5 Programming
      1. 7.5.1 Control Serial Interfaces
        1. 7.5.1.1 I2C Control Interface
          1. 7.5.1.1.1 General I2C Operation
          2. 7.5.1.1.2 I2C Single-Byte and Multiple-Byte Transfers
            1. 7.5.1.1.2.1 I2C Single-Byte Write
            2. 7.5.1.1.2.2 I2C Multiple-Byte Write
            3. 7.5.1.1.2.3 I2C Single-Byte Read
            4. 7.5.1.1.2.4 I2C Multiple-Byte Read
        2. 7.5.1.2 SPI Control Interface
  9. 8 Register Maps
    1. 8.1 Device Configuration Registers
      1. 8.1.1 Register Descriptions
        1. 8.1.1.1  PAGE_CFG Register (page = 0x00, address = 0x00) [reset = 0h]
        2. 8.1.1.2  SW_RESET Register (page = 0x00, address = 0x01) [reset = 0h]
        3. 8.1.1.3  SLEEP_CFG Register (page = 0x00, address = 0x02) [reset = 0h]
        4. 8.1.1.4  SHDN_CFG Register (page = 0x00, address = 0x05) [reset = 5h]
        5. 8.1.1.5  ASI_CFG0 Register (page = 0x00, address = 0x07) [reset = 30h]
        6. 8.1.1.6  ASI_CFG1 Register (page = 0x00, address = 0x08) [reset = 0h]
        7. 8.1.1.7  ASI_CFG2 Register (page = 0x00, address = 0x09) [reset = 0h]
        8. 8.1.1.8  ASI_CH1 Register (page = 0x00, address = 0x0B) [reset = 0h]
        9. 8.1.1.9  ASI_CH2 Register (page = 0x00, address = 0x0C) [reset = 1h]
        10. 8.1.1.10 ASI_CH3 Register (page = 0x00, address = 0x0D) [reset = 2h]
        11. 8.1.1.11 ASI_CH4 Register (page = 0x00, address = 0x0E) [reset = 3h]
        12. 8.1.1.12 ASI_CH5 Register (page = 0x00, address = 0x0F) [reset = 4h]
        13. 8.1.1.13 ASI_CH6 Register (page = 0x00, address = 0x10) [reset = 5h]
        14. 8.1.1.14 ASI_CH7 Register (page = 0x00, address = 0x11) [reset = 6h]
        15. 8.1.1.15 ASI_CH8 Register (page = 0x00, address = 0x12) [reset = 7h]
        16. 8.1.1.16 MST_CFG0 Register (page = 0x00, address = 0x13) [reset = 2h]
        17. 8.1.1.17 MST_CFG1 Register (page = 0x00, address = 0x14) [reset = 48h]
        18. 8.1.1.18 ASI_STS Register (page = 0x00, address = 0x15) [reset = FFh]
        19. 8.1.1.19 CLK_SRC Register (page = 0x00, address = 0x16) [reset = 10h]
        20. 8.1.1.20 PDMCLK_CFG Register (page = 0x00, address = 0x1F) [reset = 40h]
        21. 8.1.1.21 PDMIN_CFG Register (page = 0x00, address = 0x20) [reset = 0h]
        22. 8.1.1.22 GPIO_CFG0 Register (page = 0x00, address = 0x21) [reset = 22h]
        23. 8.1.1.23 GPO_CFG0 Register (page = 0x00, address = 0x22) [reset = 0h]
        24. 8.1.1.24 GPO_CFG1 Register (page = 0x00, address = 0x23) [reset = 0h]
        25. 8.1.1.25 GPO_CFG2 Register (page = 0x00, address = 0x24) [reset = 0h]
        26. 8.1.1.26 GPO_CFG3 Register (page = 0x00, address = 0x25) [reset = 0h]
        27. 8.1.1.27 GPO_VAL Register (page = 0x00, address = 0x29) [reset = 0h]
        28. 8.1.1.28 GPIO_MON Register (page = 0x00, address = 0x2A) [reset = 0h]
        29. 8.1.1.29 GPI_CFG0 Register (page = 0x00, address = 0x2B) [reset = 0h]
        30. 8.1.1.30 GPI_CFG1 Register (page = 0x00, address = 0x2C) [reset = 0h]
        31. 8.1.1.31 GPI_MON Register (page = 0x00, address = 0x2F) [reset = 0h]
        32. 8.1.1.32 INT_CFG Register (page = 0x00, address = 0x32) [reset = 0h]
        33. 8.1.1.33 INT_MASK0 Register (page = 0x00, address = 0x33) [reset = FFh]
        34. 8.1.1.34 INT_LTCH0 Register (page = 0x00, address = 0x36) [reset = 0h]
        35. 8.1.1.35 BIAS_CFG Register (page = 0x00, address = 0x3B) [reset = 0h]
        36. 8.1.1.36 CH1_CFG0 Register (page = 0x00, address = 0x3C) [reset = 0h]
        37. 8.1.1.37 CH1_CFG1 Register (page = 0x00, address = 0x3D) [reset = 0h]
        38. 8.1.1.38 CH1_CFG2 Register (page = 0x00, address = 0x3E) [reset = C9h]
        39. 8.1.1.39 CH1_CFG3 Register (page = 0x00, address = 0x3F) [reset = 80h]
        40. 8.1.1.40 CH1_CFG4 Register (page = 0x00, address = 0x40) [reset = 0h]
        41. 8.1.1.41 CH2_CFG0 Register (page = 0x00, address = 0x41) [reset = 0h]
        42. 8.1.1.42 CH2_CFG1 Register (page = 0x00, address = 0x42) [reset = 0h]
        43. 8.1.1.43 CH2_CFG2 Register (page = 0x00, address = 0x43) [reset = C9h]
        44. 8.1.1.44 CH2_CFG3 Register (page = 0x00, address = 0x44) [reset = 80h]
        45. 8.1.1.45 CH2_CFG4 Register (page = 0x00, address = 0x45) [reset = 0h]
        46. 8.1.1.46 CH3_CFG0 Register (page = 0x00, address = 0x46) [reset = 0h]
        47. 8.1.1.47 CH3_CFG1 Register (page = 0x00, address = 0x47) [reset = 0h]
        48. 8.1.1.48 CH3_CFG2 Register (page = 0x00, address = 0x48) [reset = C9h]
        49. 8.1.1.49 CH3_CFG3 Register (page = 0x00, address = 0x49) [reset = 80h]
        50. 8.1.1.50 CH3_CFG4 Register (page = 0x00, address = 0x4A) [reset = 0h]
        51. 8.1.1.51 CH4_CFG0 Register (page = 0x00, address = 0x4B) [reset = 0h]
        52. 8.1.1.52 CH4_CFG1 Register (page = 0x00, address = 0x4C) [reset = 0h]
        53. 8.1.1.53 CH4_CFG2 Register (page = 0x00, address = 0x4D) [reset = C9h]
        54. 8.1.1.54 CH4_CFG3 Register (page = 0x00, address = 0x4E) [reset = 80h]
        55. 8.1.1.55 CH4_CFG4 Register (page = 0x00, address = 0x4F) [reset = 0h]
        56. 8.1.1.56 CH5_CFG2 Register (page = 0x00, address = 0x52) [reset = C9h]
        57. 8.1.1.57 CH5_CFG3 Register (page = 0x00, address = 0x53) [reset = 80h]
        58. 8.1.1.58 CH5_CFG4 Register (page = 0x00, address = 0x54) [reset = 0h]
        59. 8.1.1.59 CH6_CFG2 Register (page = 0x00, address = 0x57) [reset = C9h]
        60. 8.1.1.60 CH6_CFG3 Register (page = 0x00, address = 0x58) [reset = 80h]
        61. 8.1.1.61 CH6_CFG4 Register (page = 0x00, address = 0x59) [reset = 0h]
        62. 8.1.1.62 CH7_CFG2 Register (page = 0x00, address = 0x5C) [reset = C9h]
        63. 8.1.1.63 CH7_CFG3 Register (page = 0x00, address = 0x5D) [reset = 80h]
        64. 8.1.1.64 CH7_CFG4 Register (page = 0x00, address = 0x5E) [reset = 0h]
        65. 8.1.1.65 CH8_CFG2 Register (page = 0x00, address = 0x61) [reset = C9h]
        66. 8.1.1.66 CH8_CFG3 Register (page = 0x00, address = 0x62) [reset = 80h]
        67. 8.1.1.67 CH8_CFG4 Register (page = 0x00, address = 0x63) [reset = 0h]
        68. 8.1.1.68 DSP_CFG0 Register (page = 0x00, address = 0x6B) [reset = 1h]
        69. 8.1.1.69 DSP_CFG1 Register (page = 0x00, address = 0x6C) [reset = 40h]
        70. 8.1.1.70 AGC_CFG0 Register (page = 0x00, address = 0x70) [reset = E7h]
        71. 8.1.1.71 IN_CH_EN Register (page = 0x00, address = 0x73) [reset = F0h]
        72. 8.1.1.72 ASI_OUT_CH_EN Register (page = 0x00, address = 0x74) [reset = 0h]
        73. 8.1.1.73 PWR_CFG Register (page = 0x00, address = 0x75) [reset = 0h]
        74. 8.1.1.74 DEV_STS0 Register (page = 0x00, address = 0x76) [reset = 0h]
        75. 8.1.1.75 DEV_STS1 Register (page = 0x00, address = 0x77) [reset = 80h]
        76. 8.1.1.76 I2C_CKSUM Register (page = 0x00, address = 0x7E) [reset = 0h]
    2. 8.2 Programmable Coefficient Registers
      1. 8.2.1 Programmable Coefficient Registers: Page = 0x02
      2. 8.2.2 Programmable Coefficient Registers: Page = 0x03
      3. 8.2.3 Programmable Coefficient Registers: Page = 0x04
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Four-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 Eight-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
      1. 9.3.1 185
    4. 9.4 Power Supply Recommendations
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

5 Pin Configuration and Functions

PCM3140-Q1 RGE Package24-Pin VQFN With Exposed Thermal PadTop View Figure 5-1 RGE Package24-Pin VQFN With Exposed Thermal PadTop View
Table 5-1 Pin Functions
PINTYPEDESCRIPTION
NO.NAME
1AVDDAnalog supplyAnalog power (1.8V or 3.3V, nominal)
2AREGAnalog supplyAnalog on-chip regulator output voltage for analog supply (1.8V, nominal) or external analog power (1.8V, nominal)
3VREFAnalogAnalog reference voltage filter output
4AVSSAnalog supplyAnalog ground. Short this pin directly to the board ground plane.
5MICBIASAnalogMICBIAS output
6IN1P_GPI1Analog input/digital inputAnalog input 1P pin or general-purpose digital input 1 (multipurpose functions such as digital microphone data, PLL input clock source, and so forth)
7IN1M_GPO1Analog input/digital outputAnalog input 1M pin or general-purpose digital output 1 (multipurpose functions such as digital microphone clock, interrupt, and so forth)
8IN2P_GPI2Analog input/digital inputAnalog input 2P pin or general-purpose digital input 2 (multipurpose functions such as digital microphones data, PLL input clock source, and so forth)
9IN2M_GPO2Analog input/digital outputAnalog input 2M pin or general-purpose digital output 2 (multipurpose functions such as digital microphone clock, interrupt, and so forth)
10IN3P_GPI3Analog input/digital inputAnalog input 3P pin or general-purpose digital input 3 (multipurpose functions such as digital microphones data, PLL input clock source, and so forth)
11IN3M_GPO3Analog input/digital outputAnalog input 3M pin or general-purpose digital output 3 (multipurpose functions such as digital microphone clock, interrupt, and so forth)
12IN4P_GPI4Analog input/digital inputAnalog input 4P pin or general-purpose digital input 4 (multipurpose functions such as digital microphones data, PLL input clock source, and so forth)
13IN4M_GPO4Analog input/digital outputAnalog input 4M pin or general-purpose digital output 4 (multipurpose functions such as digital microphone clock, interrupt, and so forth)
14SHDNZDigital inputDevice hardware shutdown and reset (active low)
15ADDR1_MISODigital I/OFor I2C operation: I2C target address A1 pin
For SPI operation: SPI target output pin
16ADDR0_SCLKDigital inputFor I2C operation: I2C target address A0 pin
For SPI operation : SPI serial bit clock
17SCL_MOSIDigital inputFor I2C operation: clock pin for I2C control bus
For SPI operation: SPI target input pin
18SDA_SSZDigital I/OFor I2C operation: data pin for I2C control bus
For SPI operation: SPI target-select pin
19IOVDDDigital supplyDigital I/O power supply (1.8V or 3.3V, nominal)
20GPIO1Digital I/OGeneral-purpose digital input/output 1 (multipurpose functions such as digital microphones clock or data, PLL input clock source, interrupt, and so forth)
21SDOUTDigital outputAudio serial data interface bus output
22BCLKDigital I/OAudio serial data interface bus bit clock
23FSYNCDigital I/OAudio serial data interface bus frame synchronization signal
24DREGDigital supplyDigital regulator output voltage for digital core supply (1.5V, nominal)
A1,A2,A3,A4 AVSS Analog supply Analog ground. Short this pin directly to the board ground plane.
Thermal PadThermal Pad (VSS)Ground supplyThermal pad shorted to internal device ground. Short the thermal pad directly to the board ground plane.