CS4364 datasheet(33/50 Pages) CIRRUS

33 / 50 page

DS619A1

CS4364

Note:

All registers are read/write in I²C mode and write only in SPI, unless otherwise noted.

5.1

Chip Revision (address 01h)

5.1.1

Part Number ID (part) [Read Only]

01100 - CS4364

Revision ID (REV) [Read Only]

000 - Revision A0

001 - Revision B0

Function:

This read-only register can be used to identify the model and revision number of the device.

5.2

Mode Control 1 (address 02h)

5.2.1

Control Port Enable (CPEN)

Default = 0

0 - Disabled

1 - Enabled

Function:

This bit defaults to 0, allowing the device to power-up in Stand-Alone mode. The Control port mode can

be accessed by setting this bit to 1. This will allow the operation of the device to be controlled by the reg-

isters and the pin definitions will conform to Control Port Mode. To accomplish a clean power-up, the user

should write this bit within 10 ms following the release of Reset.

5.2.2

Freeze Controls (FREEZE)

Default = 0

0 - Disabled

1 - Enabled

Function:

This function allows modifications to be made to the registers without the changes taking effect until the

FREEZE is disabled. To make multiple changes in the Control port registers take effect simultaneously,

enable the FREEZE Bit, make all register changes, then Disable the FREEZE bit.

5.2.3

PCM/DSD Selection (DSD/PCM)

Default = 0

0 - PCM

1 - DSD

432

PART4

PART3

PART2

PART1

PART0

REV2

REV1

REV0

432

CPEN

FREEZE

DSD/PCM

Reserved

DAC3_DIS

DAC2_DIS

DAC1_DIS

PDN

000

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