ES9219 datasheet(27/67 Pages) ESS

Part #	ES9219

Description	32-bit Stereo Low Power DAC with Headphone Amplifier, Analog Volume Control, and Output Switch

PDF	67 Pages

Scroll/Zoom	100%

Manufacturer	ESS [ESS Technology,Inc]

Direct Link	http://www.esstech.com

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27 / 67 page

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

Serial Control Interface

I2C Slave Interface

This interface is only available when a system clock is present. 2 device addresses are selectable using the ADDR pin.

ADDR

DEVICE ADDRESS

0x90

0x92

I2C Synchronous Slave Interface

This I2C interface is Write-Only. A system clock is not required to write to this interface. 2 device addresses are selectable using the ADDR pin.

This interface is available if the ES9219 is enabled (RESETb). This interface allows the PLL, and several other clock-related registers to be

configured without the need for a system clock.

The registers on this interface are mirrored by registers on the I2C Slave Interface.

ADDR

DEVICE ADDRESS

0x94

0x96

ES9219 Datasheet(PDF) 27 Page - ESS Technology,Inc