ES9820Q datasheet(110/117 Pages) ESS

110 / 117 page

CONFIDENTIAL ADVANCE INFORMATION 0.3

ES9820 Product Datasheet

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

110

I2S Slave

FS=48kHz, 2 Channel, MCLK=49.152MHz

w 0x48 193 0x01; //SEL_SYSCLK_IN = 00 (XTAL), EN_ANA_CLKIN = 1

//w 0x48 193 0x05; //SEL_SYSCLK_IN = 10 (ACLK), EN_ANA_CLKIN = 1

w 0x48 194 0x01; //SEL_CLK_DIV = 1/2 (for 49.152/45.1584MHz, this sets ADC clock rate, must be 22

or 24MHz)

w 0x40 0 0x00;

//OUTPUT_SEL = 00 (I2S)

w 0x40 1 0x33;

//ENABLE_ADC_CH and ENABLE_DATA_IN_CH

w 0x40 2 0x07;

//SELECT_ADC_NUM = 7 for 48k/44.1k, 3 for 96k, 1 for 192k

w 0x40 3 0x01;

//SELECT_IADC_NUM = 1, should match SEL_CLK_DIV

w 0x40 8 0x00;

//MASTER_BCK_DIV1 = 0, MASTER_MODE_ENABLE = 0

w 0x40 9 0x00;

//master mode is disabled

w 0x40 10 0x05;

//TDM_VALID_EDGE = 1, ENALE_TDM_CLK = 1

w 0x40 11 0x01;

//TDM_CH_NUM = 1 (# of channels = 1 + TDM_CH_NUM)

w 0x40 12 0x00;

//TDM_LINE_SEL_CH1: 00 (GPIO3),

TDM_SLOT_SEL_CH1: 0 (slot 0)

w 0x40 13 0x01;

//TDM_LINE_SEL_CH2: 00 (GPIO3),

TDM_SLOT_SEL_CH2: 1 (slot 1)

w 0x40 23 0x0A;

//FS_PHASE = 10

//GPIO enabling

w 0x40 74 0x11;

//GPIO1 and GPIO2 set to AUX input (slave mode)

w 0x40 75 0x02;

//GPIO3 set to AUX output

w 0x40 86 0x03;

//GPIO1 and GPIO2 input enabled

w 0x40 88 0x04;

//GPIO3 output enabled

//ADC CONFIG

w 0x40 63 0xBB;

//adc ch1 config

w 0x40 64 0x38;

w 0x40 65 0xBB;

//adc ch2 config

w 0x40 66 0x38;

w 0x40 71 0x0F;

//set common mode to 3

ES9820Q Datasheet(PDF) 110 Page - ESS Technology,Inc

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