ES9219C datasheet(61/67 Pages) ESS

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ES9219 Datasheet

CONFIDENTIAL ADVANCE INFORMATION 1.0.4

February 27, 2020

ESS TECHNOLOGY, INC. 237 South Hillview Drive, Milpitas, CA 95035, USA Tel (408) 643-8800 • Fax (408) 643-8801

I2C Slave Access:

I2S Sync Slave Access:

Clock Domain:

Bits

[7:6]

[5]

[4]

[3]

[2]

[1:0]

Mnemonic

RESERVED

PLL_HV_REG_BYPAS

PLL_LV_REG_BYPAS

PLL_HV_REG_PD

PLL_LV_REG_PD

PLL_VREF_SE

Bits

Mnemonic

Description

[7:6]

RESERVED

[5]

PLL_HV_REG_BYPASS

High Voltage PLL Regulators Bypass.

1’b0: Normal operating mode (default).

1’b1: HV regulator in bypass mode; the output of HV regulator = AVDD

[4]

PLL_LV_REG_BYPASS

Low Voltage PLL Regulator Bypass

1’b0: Normal operating mode (default).

1’b1: LV regulator in bypass mode; the output of LV regulator = DVCC

[3]

PLL_HV_REG_PDB

High Voltage PLL regulator power down.

1’b0: PLL HV regulator is powered down. Output is shunted to ground (default).

1’b1: Normal operating mode

[2]

PLL_LV_REG_PDB

Low Voltage PLL regulator power down

1’b0: PLL LV regulator is powered down. Output is shunted to ground (default).

1’b1: Normal operating mode

[1:0]

PLL_VREF_SEL

PLL HV regulator output voltage select.

2’b00: 2V (default)

2’b01: 1.9V

2’b10: 1.8V

2’b11: 1.7V

I2C Slave Access:

I2S Sync Slave Access:

Clock Domain:

Bits

[7:5]

[4]

[3]

[2:0]

Mnemonic

RESERVED

SEL_DAC_CLKIN

PD_XTAL

PLL_INPUT_CLK

Bits

Mnemonic

Description

[7:5]

RESERVED

[4]

SEL_DAC_CLKIN

Select which clock is used for the DAC

1’b0: XTAL is selected as the DAC clock (default).

1’b1: PLL clock is selected as the DAC clock.

[3]

PD_XTAL

XTAL circuit power down

1’b0: Normal operating mode (default).

1’b1: XTAL circuit is powered down.

[2:0]

PLL_INPUT_CLK

Selects the input clock to the PLL

3’b:000 No clock is selected

3’b:001 MCLK is selected as PLL input clock

3’b:010 BCK is selected as PLL input clock

3’b:100 XTAL is selected as PLL input clock

All other values are invalid, not allowed

See System Clock XI/MCLK & BCK for more information

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