ES9826 datasheet(3/88 Pages) ESS

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ES9826 Datasheet

VERSION 0.1.2

ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM

PCM Filter Latency......................................................................................................................................................... 26

PCM Filter Frequency Response ................................................................................................................................... 27

PCM Filter Impulse Response........................................................................................................................................ 31

PDM input mode ................................................................................................................................................................ 34

PWM Signal ....................................................................................................................................................................... 35

Analog Features .................................................................................................................................................................... 35

Programmable Gain Amplifier (PGA) ................................................................................................................................. 35

Auto Ranging Enhancement (ARE).................................................................................................................................... 35

Clock Selection .................................................................................................................................................................. 35

Analog Phase Locked Loop (APLL) ................................................................................................................................... 36

Programmable Microphone Regulator (MICBIAS) ............................................................................................................. 36

Absolute Maximum Ratings ................................................................................................................................................... 37

I/O Electrical Characteristics.................................................................................................................................................. 37

Recommended Operating Conditions.................................................................................................................................... 38

Power Consumption........................................................................................................................................................... 39

Performance ...................................................................................................................................................................... 40

Timing Requirements............................................................................................................................................................. 41

I2C Slave Interface Timing.................................................................................................................................................. 41

SPI Slave Interface ............................................................................................................................................................ 42

Audio Interface Timing ....................................................................................................................................................... 43

Register Overview ................................................................................................................................................................. 44

Standard I2C Slave Interface (Device Address 0x40,0x42,0x44,0x46)............................................................................... 44

Read/Write Registers ..................................................................................................................................................... 44

Read-only Registers....................................................................................................................................................... 44

Synchronous I2C Slave Interface (Device Address 0x48,0x4A,0x4C,0x4E)....................................................................... 44

Multi-Byte Registers........................................................................................................................................................... 44

Register Map ......................................................................................................................................................................... 45

Register Listings .................................................................................................................................................................... 47

System Registers............................................................................................................................................................... 47

GPIO Registers.................................................................................................................................................................. 55

ADC Registers ................................................................................................................................................................... 60

PLL Registers .................................................................................................................................................................... 72

Readback Registers........................................................................................................................................................... 75

ES9826 Reference Schematics............................................................................................................................................. 79

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