ES9219C datasheet(41/67 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]

[3:0]

Mnemonic

RESERVED

BYPASS_THD

RESERVED

MONO_MODE

RESERVED

Bits

Mnemonic

Description

[7]

RESERVED

[6]

BYPASS_THD

Selects whether to disable the THD compensation logic. THD compensation is disabled by default and can be

configured to correct for second and third harmonic distortion.

1’b0: Enable THD compensation.

1’b1: Disable THD compensation (default).

[5]

RESERVED

[4]

MONO_MODE

Selects whether mono mode is enabled. Mono mode disables the channel 2 datapath and routes the channel 1

output to both DAC_L and DAC_R. This mode will consume less power as nearly half of the datapath is disabled.

1’b0: Disable mono mode (default).

1’b1: Enable mono mode.

[3:0]

RESERVED

I2C Slave Access:

I2S Sync Slave Access:

Clock Domain:

Bits

[7]

[6]

[5]

[4:0]

Mnemonic

SOFT_START

RESERVED

SOFT_START_TYPE

SOFT_START_TIME

Bits

Mnemonic

Description

[7]

SOFT_START

Allows a register override for the soft start/stop ramp circuitry when in dig_override mode.

1’b0: Ramps the output to ground (soft stop) when the dig_override bit is enabled (default).

1’b1: Ramps the output to AVCC/2, which allows the DAC to produce an output. Only functions when the

dig_override bit is enabled.

[6]

RESERVED

[5]

SOFT_START_TYPE

Sets whether the soft start ramp is linear or a quadratic function.

1’b0: Uses the standard soft start ramp.

1’b1: Uses a quadratic function for the soft start ramp.

[4:0]

SOFT_START_TIME

Sets the amount of time that it takes to perform a soft start ramp. This time affects both ramp to ground

and ramp to AVCC/2. This value is valid from 0 to 20 (inclusive).

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I2C Slave Access:

I2S Sync Slave Access:

Clock Domain:

Bits

[15:8]

[7:0]

Mnemonic

VOLUME_1

VOLUME_2

Bits

Mnemonic

Description

[15:8]

VOLUME_1

Default of 8’d80 (-40dB).

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