AM Mode REGISTER (0x22)

TAS5086

www.ti.com ................................................................................................................................................... SLES131C – FEBRUARY 2005 – REVISED JUNE 2008

Table 18. Downmix Input Multiplexer Register (continued)

D7

D6

D5

D4

D3

D2

D1

D0

FUNCTION

–

–

–

–

–

–

–

1

Enable data from input multiplexer 1 to downmix block

–

–

–

–

–

–

–

0

Disable data from input multiplexer 1 to downmix block

–

–

–

–

–

–

1

–

Enable data from input multiplexer 2 to downmix block

–

–

–

–

–

–

0

–

Disable data from input multiplexer 2 to downmix block

–

–

–

–

–

1

–

–

Enable data from input multiplexer 3 to downmix block

–

–

–

–

–

0

–

–

Disable data from input multiplexer 3 to downmix block

–

–

–

–

1

–

–

–

Enable data from input multiplexer 4 to downmix block

–

–

–

–

0

–

–

–

Disable data from input multiplexer 4 to downmix block

–

–

–

1

–

–

–

–

Enable data from input multiplexer 5 to downmix block

–

–

–

0

–

–

–

–

Disable data from input multiplexer 5 to downmix block

See the PurePath Digital™ AM Interference Avoidance application report (SLEA040).

Table 19. AM Mode Register (0x22)

D20

D19

D18

D17

D16

FUNCTION

0

–

–

–

–

AM mode disabled

1

–

–

–

–

AM mode enabled

–

0

0

–

–

Select sequence 1

–

0

1

–

–

Select sequence 2

–

1

0

–

–

Select sequence 3

–

1

1

–

–

Select sequence 4

–

–

–

0

–

IF frequency = 455 kHz

–

–

–

1

–

IF frequency = 262.5 kHz

–

–

–

–

0

Use BCD tuned frequency

–

–

–

–

1

Use binary tuned frequency

Table 20. AM Tuned Frequency Register in BCD Mode

D15

D14

D13

D12

D11

D10

D9

D8

FUNCTION

0

0

0

X

–

–

–

–

BCD frequency (1000s kHz)

–

–

–

–

–

–

–

–

–

–

–

–

X

X

X

X

BCD frequency (100s kHz)

0

0

0

0

0

0

0

0

Default value

D7

D6

D5

D4

D3

D2

D1

D0

FUNCTION

X

X

X

X

–

–

–

–

BCD frequency (10s kHz)

–

–

–

–

–

–

–

–

–

–

–

–

X

X

X

X

BCD frequency (1s kHz)

0

0

0

0

0

0

0

0

Default value

OR

Copyright © 2005–2008, Texas Instruments Incorporated

Submit Documentation Feedback

39

Product Folder Link(s): TAS5086