ZHCSMY3 December 2020 PCM6020-Q1
PRODUCTION DATA
- 1 特性
- 2 應用
- 3 說明
- 4 Revision History
- 5 Device Comparison Table
- 6 Pin Configuration and Functions
-
7 Specifications
- 7.1 Absolute Maximum Ratings
- 7.2 ESD Ratings
- 7.3 Recommended Operating Conditions
- 7.4 Thermal Information
- 7.5 Electrical Characteristics
- 7.6 Timing Requirements:?I2C Interface
- 7.7 Switching Characteristics: I2C Interface
- 7.8 Timing Requirements:?SPI Interface
- 7.9 Switching Characteristics: SPI Interface
- 7.10 Timing Requirements:?TDM, I2S or LJ Interface
- 7.11 Switching Characteristics: TDM, I2S or LJ Interface
- 7.12 Timing Diagrams
- 7.13 Typical Characteristics
-
8 Detailed Description
- 8.1 Overview
- 8.2 Functional Block Diagram
- 8.3
Feature Description
- 8.3.1 Serial Interfaces
- 8.3.2 Phase-Locked Loop (PLL) and Clock Generation
- 8.3.3 Input Channel Configuration
- 8.3.4 Reference Voltage
- 8.3.5 Microphone Bias
- 8.3.6 Input DC Fault Diagnostics
- 8.3.7
Signal-Chain Processing
- 8.3.7.1 Programmable Channel Gain and Digital Volume Control
- 8.3.7.2 Programmable Channel Gain Calibration
- 8.3.7.3 Programmable Channel Phase Calibration
- 8.3.7.4 Programmable Digital High-Pass Filter
- 8.3.7.5 Programmable Digital Biquad Filters
- 8.3.7.6 Programmable Channel Summer and Digital Mixer
- 8.3.7.7
Configurable Digital Decimation Filters
- 8.3.7.7.1
Linear Phase Filters
- 8.3.7.7.1.1 Sampling Rate: 8 kHz or 7.35 kHz
- 8.3.7.7.1.2 Sampling Rate: 16 kHz or 14.7 kHz
- 8.3.7.7.1.3 Sampling Rate: 24 kHz or 22.05 kHz
- 8.3.7.7.1.4 Sampling Rate: 32 kHz or 29.4 kHz
- 8.3.7.7.1.5 Sampling Rate: 48 kHz or 44.1 kHz
- 8.3.7.7.1.6 Sampling Rate: 96 kHz or 88.2 kHz
- 8.3.7.7.1.7 Sampling Rate: 192 kHz or 176.4 kHz
- 8.3.7.7.1.8 Sampling Rate: 384 kHz or 352.8 kHz
- 8.3.7.7.1.9 Sampling Rate: 768 kHz or 705.6 kHz
- 8.3.7.7.2 Low-Latency Filters
- 8.3.7.7.3
Ultra-Low-Latency Filters
- 8.3.7.7.3.1 Sampling Rate: 16 kHz or 14.7 kHz
- 8.3.7.7.3.2 Sampling Rate: 24 kHz or 22.05 kHz
- 8.3.7.7.3.3 Sampling Rate: 32 kHz or 29.4 kHz
- 8.3.7.7.3.4 Sampling Rate: 48 kHz or 44.1 kHz
- 8.3.7.7.3.5 Sampling Rate: 96 kHz or 88.2 kHz
- 8.3.7.7.3.6 Sampling Rate: 192 kHz or 176.4 kHz
- 8.3.7.7.3.7 Sampling Rate: 384 kHz or 352.8 kHz
- 8.3.7.7.1
Linear Phase Filters
- 8.3.8 Automatic Gain Controller (AGC)
- 8.3.9 Interrupts, Status, and Digital I/O Pin Multiplexing
- 8.4 Device Functional Modes
- 8.5 Programming
- 8.6 Register Maps
- 9 Application and Implementation
- 10Power Supply Recommendations
- 11Layout
- 12Device and Documentation Support
6 Pin Configuration and Functions
Figure 6-1 RTV Package,32-Pin WQFN With Exposed
Thermal Pad,Top ViewTable 6-1 Pin Functions
| PIN | TYPE | DESCRIPTION | |
|---|---|---|---|
| NO. | NAME | ||
| 1 | AVDD | Analog supply | Analog power (3.3 V, nominal) |
| 2 | AREG | Analog supply | Analog regulator output voltage for analog supply (1.8 V, nominal) |
| 3 | BSTVDD | Analog supply | Boost converter supply voltage |
| 4 | BSTSW | Analog supply | Boost converter switch input |
| 5 | BSTOUT | Analog supply | Boost converter output voltage |
| 6 | MICBIAS | Analog | MICBIAS output (programmable output up to 9 V) |
| 7 | VREF | Analog | Analog reference voltage filter output |
| 8 | AVSS | Analog supply | Analog ground; short directly to the board ground plane |
| 9 | IN1P | Analog input | Analog input 1P pin |
| 10 | IN1M | Analog input | Analog input 1M pin |
| 11 | IN2P | Analog input | Analog input 2P pin |
| 12 | IN2M | Analog input | Analog input 2M pin |
| 13 | NC | — | Not used; pin must be grounded |
| 14 | NC | — | Not used; pin must be grounded |
| 15 | NC | — | Not used; pin must be grounded |
| 16 | NC | — | Not used; pin must be grounded |
| 17 | GPI2 | Digital input | General-purpose digital input-2 (multipurpose functions such as daisy-chain input, PLL input clock source, and so on) |
| 18 | GPIO3 | Digital I/O | General-purpose digital input/output-4 (multipurpose functions such as daisy-chain input, audio data output, PLL input clock source, interrupt, and so on) |
| 19 | GPI1 | Digital input | General-purpose digital input-1 (multipurpose functions such as daisy-chain input, PLL input clock source, and so on) |
| 20 | GPIO2 | Digital I/O | General-purpose digital input/output-2 (multipurpose functions such as daisy-chain input, audio data output, PLL input clock source, interrupt, and so on) |
| 21 | VBAT_IN | Analog | Analog VBAT input monitoring pin (used for input diagnostics) |
| 22 | SHDNZ | Digital input | Device hardware shutdown and reset (active low) |
| 23 | ADDR1_MISO | Digital I/O | For I2C operation: I2C slave address A1
pin. For SPI operation: SPI slave output pin. |
| 24 | ADDR0_SCLK | Digital input | For I2C operation: I2C slave address A0
pin. For SPI operation: SPI serial bit clock. |
| 25 | SCL_MOSI | Digital input | For I2C operation: clock pin for I2C control
bus. For SPI operation: SPI slave input pin. |
| 26 | SDA_SSZ | Digital I/O | For I2C operation: data pin for I2C control
bus. For SPI operation: SPI slave select pin. |
| 27 | IOVDD | Digital supply | Digital I/O power supply (1.8 V or 3.3 V, nominal) |
| 28 | GPIO1 | Digital I/O | General-purpose digital input/output-1 (multipurpose functions such as daisy-chain input, audio data output, PLL input clock source, interrupt, and so on) |
| 29 | SDOUT | Digital output | Audio serial data interface bus output |
| 30 | BCLK | Digital I/O | Audio serial data interface bus bit clock |
| 31 | FSYNC | Digital I/O | Audio serial data interface bus frame synchronization signal |
| 32 | DREG | Digital supply | Digital regulator output voltage for digital core supply (1.5 V, nominal) |
| Thermal Pad | Thermal Pad (VSS) | Ground supply | Thermal pad shorted to the internal device ground. Short the thermal pad directly to the board ground plane. |