ADAU1373BCBZ-R7 datasheet(159/296 Pages) AD

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ADAU1373

Rev. 0 | Page 159 of 296

SRCA_RATIOA REGISTER

Address: 0x4A, Reset: 0x00, Name: SRCA_RATIOA

Sample Rate Converter A Setting

Table 103. Bit Descriptions for SRCA_RATIOA

Bits

Bit Name

Settings

Description

Reset

Access

SRCAMODE

SRCA Working Mode. SRCA ratio can be set to autodetect or manual

mode. In manual mode the SRC ratio must be set using SRCAINT,

SRCARFRE_HI, and SRCARFRE_LOW bits. The format is 3.12.

0x0

Enable ASRCA ratio autodetect; the data is automatically written in the

SRCA INT/FRAC ratio register (default)

Disable ASRCA ratio autodetect, using the data set in the SRCA INT/FRAC

ratio register

[6:4]

SRCAINT

Integer Part of the SRCA Ratio Setting.

0x0

[3:0]

SRCARFRE_HI

Upper Four Bits for the SRCA Ratio Setting.

0x0

SRCA_RATIOB REGISTER

Address: 0x4B, Reset: 0x00, Name: SRCA_RATIOB

Sample Rate Converter A Setting

Table 104. Bit Descriptions for SRCA_RATIOB

Bits

Bit Name

Settings

Description

Reset

Access

[7:0]

SRCARFRE_LOW

Lower Byte for the SRCA Ratio Setting.

0x00

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