Datasheet

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
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