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DOWNMIX INPUT MULTIPLEXER REGISTER (0x21)

TAS5086

SLES131C – FEBRUARY 2005 – REVISED JUNE 2008 ...................................................................................................................................................

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Bits D31 – D16: Unused

Bits D15 – D13: For this description, see Figure 6 .

Bit D12: If 1, selects downmix data L ’ to TAS5086 internal channel 1

If 0, selects channel 1 data (from input multiplexer 1) to the TAS5086 internal channel 1

Bit D11: If 1, selects downmix data R ’ to the TAS5086 internal channel 2

If 0, selects channel 2 data (from input multiplexer 2) to the TAS5086 internal channel 2

Bit D10: If 1, selects downmix data (L ’ +R ’ )/2 to the TAS5086 internal channel 5

If 0, selects channel 5 data (from input multiplexer 5) to the TAS5086 internal channel 5

Bits D9-D8: Selects either channel 6 data (from input multiplexer 6) or channel 6 data that has been

processed through bass management block or downmix data (L ’ +R ’ )/2 to the TAS5086 internal

channel 6

Bits D7 – D5: Unused.

Bit D4: If 1, enable data from input multiplexer 5 to downmix block

If 0, disable data from input multiplexer 5 to downmix block

Bit D3: If 1, enable data from input multiplexer 4 to downmix block

If 0, disable data from input multiplexer 4 to downmix block

Bit D2: If 1, enable data from input multiplexer 3 to downmix block

If 0, disable data from input multiplexer 3 to downmix block

Bit D1: If 1, enable data from input multiplexer 2 to downmix block

If 0, disable data from input multiplexer 2 to downmix block

Bit D0: If 1, enable data from input multiplexer 1 to downmix block

If 0, disable data from input multiplexer 1 to downmix block

Table 18. Downmix Input Multiplexer Register

D31 D30 D29 D28 D27 D26 D25 D24 FUNCTION

– – – – – – – – Unused

D23 D22 D21 D20 D19 D18 D17 D16 FUNCTION

– – – – – – – – Unused

D15 D14 D13 D12 D11 D10 D9 D8 FUNCTION

0 1 0 – – – – – RESERVED

– – – 1 – – – – Enable downmix data L ’ to channel 1

– – – 0 – – – – Enable channel 1 data to channel 1

– – – – 1 – – – Enable downmix data R ’ to channel 2

– – – – 0 – – – Enable channel 2 data to channel 2

– – – – – 1 – – Enable downmix data (L ’ +R ’ )/2 to channel 5

– – – – – 0 – – Enable channel 5 data to channel 5

– – – – – – 0 0 Enable channel 6 data to channel 6

– – – – – – 0 1 Bass management on channel 6

– – – – – – 1 x Enable downmix data (L ’ +R ’ )/2 to channel 6

Product Folder Link(s): TAS5086