ES9038Q2M datasheet(36/65 Pages) ESS

36 / 65 page

CONFIDENTIAL Rev. 1.3

July 17, 2019

ES9038Q2M Datasheet

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

8800 • Fax (408) 643-8801

Bits

[31:0]

Mnemonic

nco_num

Default

32’d0

Bit

Mnemonic

Description

[31:0]

nco_num

An unsigned 32-bit quantity that provides the ratio between MCLK and

DATA_CLK. This value can be used to generate arbitrary DATA_CLK

frequencies in master mode. A value of 0 disables this operating mode.

Note: Master mode must still be enabled for the Sabre to drive the

DATA_CLK and DATA1 pins. You must also select either serial mode or

DSD mode in the input_select register to determine whether DATA_CLK

should be driven alone (DSD mode) or both DATA_CLK and DATA1

should be driven (serial mode).

•

32’d0: disables NCO mode (default)

•

32’d?: enables NCO mode

Note: NCO is determined by the following equation

FSR =

(nco_num ∗ MCLK)

232

Bits

[7:0]

Mnemonic

Reserved

Default

8’d0

Bit

Mnemonic

Description

[7:0]

Reserved

ES9038Q2M Datasheet(PDF) 36 Page - ESS Technology,Inc

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