TAS5548DCAR datasheet(90/116 Pages) TI1

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TAS5548

SLES270A – NOVEMBER 2012 – REVISED APRIL 2015

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7.6.2.41 AM Mode Register (0xDE)

Bits D31–D25 and D23-D21 are reserved.

BCD = Binary Coded Decimal.

Table 73. AM Mode Register Format

D31

D30

D29

D28

D27

D26

D25

D24

FUNCTION

AM Avoidance Mode: Use Frequency Scaling

AM Avoidance Mode: Use Sampling Rate Conversion Mode

D23

D22

D21

D20

D19

D18

D17

D16

FUNCTION

–

AM mode disabled

–

AM mode enabled

–

Select sequence 1

–

Select sequence 2

–

Select sequence 3

–

Select sequence 4

–

IF frequency = 455 kHz

–

IF frequency = 262.5 kHz

–

Use BCD-tuned frequency

–

Use binary-tuned frequency

Table 74. AM Tuned Frequency Register in BCD Mode (Lower 2 Bytes of 0xDE)

D15

D14

D13

D12

D11

D10

FUNCTION

–

BCD frequency (1000s kHz)

–

BCD frequency (100s kHz)

Default value

FUNCTION

–

BCD frequency (10s kHz)

–

BCD frequency (1s kHz)

Default value

Table 75. AM Tuned Frequency Register in Binary Mode (Lower 2 Bytes of 0xDE)

D15

D14

D13

D12

D11

D10

FUNCTION

B10

Binary frequency (upper 3 bits)

Default value

FUNCTION

Binary frequency (lower 8 bits)

Default value

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