CS44L10 查看數據表（PDF） - Cirrus Logic

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CS44L10

Digital PWM Headphone Monitor

Cirrus Logic 

CS44L10

4.10.3 VOLUME CONTROL BYPASS (VCBYP)

Default = 0

0 - Disabled

1 - Enabled

Function:

The digital volume control section is bypassed when this function is enabled. This disables the digital vol-

ume control, muting, bass boost, treble boost, limiting, and ATAPI functions.

4.10.4 CONTROL PORT ENABLE (CP_EN)

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. Refer to Section 6.5.2.

4.10.5 FREEZE (FREEZE)

Default = 0

0 - Disabled

1 - Enabled

Function:

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

the FREEZE is disabled. To make multiple changes in the Control port registers take effect simultaneous-

ly, you will first enable the FREEZE Bit, then make all register changes, then Disable the FREEZE bit.

4.11 Revision Indicator (address 0Ch)[Read Only]

7

Reserved

0

6

Reserved

0

5

Reserved

0

4

Reserved

0

3

REV3

0

2

REV2

0

1

REV1

0

0

REV0

0

Default = none

0000 - Revision A

0001 - Revision B

0010 - Revision C

etc.

Function:

This read-only register indicates the revision level of the device.

24

DS541PP1

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