TW2864D datasheet(74/110 Pages) RENESAS

74 / 110 page

TW2864

FN7745 Rev. 0.00

Page 74 of 110

September 28, 2012

Index

Audio ADC Digital Input Offset Control

[7]

[6]

[5]

[4]

[3]

[2]

[1]

[0]

0xB3

AADC4OFS[9:8]

AADC3OFS[9:8]

AADC2OFS[9:8]

AADC1OFS[9:8]

0xB4

AADC1OFS[7:0]

0xB5

AADC2OFS[7:0]

0xB6

AADC3OFS[7:0]

0xB7

AADC4OFS[7:0]

[REV_ID=0 TW2864] These functions don’t exist.These bits are always 0.

[REV_ID>=1 TW2864]

Digital ADC input data offset control.Digital ADC input data is adjusted by

ADJAADCn = AUDnADC + AADCnOFS.

AUDnADC is 2’s formatted Analog Audio ADC output.

AADCnOFS is adjusted offset value by 2’s format.

Index

Analog Audio ADC Digital Output Value

[7]

[6]

[5]

[4]

[3]

[2]

[1]

[0]

0xB8

AUD4ADC[9:8]

AUD3ADC[9:8]

AUD2ADC[9:8]

AUD1ADC[9:8]

0xB9

AUD1ADC[7:0]

0xBA

AUD2ADC[7:0]

0xBB

AUD3ADC[7:0]

0xBC

AUD4ADC[7:0]

[REV_ID=0 TW2864] These functions don’t exist.These bits are always 0.

[REV_ID>=1 TW2864] These bits are read only.

AUDnADC shows current Analog Audio n ADC Digital Output Value by 2’s fomat.

Index

Adjusted Analog Audio ADC Digital input Value

[7]

[6]

[5]

[4]

[3]

[2]

[1]

[0]

0xBD

ADJAADC4[9:8]

ADJAADC3[9:8]

ADJAADC2[9:8]

ADJAADC1[9:8]

0xBE

ADJAADC1[7:0]

0xBF

ADJAADC2[7:0]

0xC0

ADJAADC3[7:0]

0xC1

ADJAADC4[7:0]

[REV_ID=0 TW2864] These functions don’t exist.These bits are always 0.

[REV_ID>=1 TW2864] These bits are read only.

ADJAADCn shows current adjusted Audio ADC Digital input data value by 2’s format.These

value show the first input data value in front of Digital Audio Decimation Filtering process.

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