ES9219 datasheet(38/67 Pages) ESS

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ES9219 Datasheet

February 27, 2020

CONFIDENTIAL ADVANCE INFORMATION 1.0.4

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

[7:5]

[4]

[3]

[2:1]

[0]

Mnemonic

FILTER_SHAPE

RESERVED

BYPASS_OSF

RESERVED

MUTE

Bits

Mnemonic

Description

[7:5]

FILTER_SHAPE

Selects the type of filter to use during the 8x FIR interpolation phase.

3’b110: Hybrid fast roll-off

3’b000: Linear phase fast roll-off filter.

All other modes are reserved

[4]

RESERVED

[3]

BYPASS_OSF

Allows the use of an external 8x upsampling filter, bypassing the internal interpolating FIR filter. Overrides the

bypass_stage1 option.

1’b0: uses the built-in oversampling filter (default)

1’b1: uses an external upsampling filter, which requires data oversampled by 8x externally

[2:1]

RESERVED

[0]

MUTE

Mutes both channels of the Sabre.

1’b0: normal operation (default)

1’b1: mute both channels

I2C Slave Access:

I2S Sync Slave Access:

Clock Domain:

Bits

[7:4]

[3:0]

Mnemonic

GPIO2_CFG

GPIO1_CFG

Bits

Mnemonic

Description

[7:4]

GPIO2_CFG

GPIO 2 configuration bits, value 4’b0 – 4’d15

4’d13: shutdown (default)

See

GPIO Modes for all configuration options

[3:0]

GPIO1_CFG

GPIO 1 configuration bits, value 4’b0 – 4’d15

4’d13: shutdown (default)

See

GPIO Modes for all configuration options

ES9219 Datasheet(PDF) 38 Page - ESS Technology,Inc

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