TAS5708 datasheet(47/56 Pages) TI

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INPUT MULTIPLEXER REGISTER (0x20)

PWM OUTPUT MUX REGISTER (0x25)

TAS5708

www.ti.com ........................................................................................................................................................................................... SLOS570 – DECEMBER 2008

This register controls the modulation scheme (AD or BD mode) as well as the routing of I2S audio to the internal

channels.

Table 18. Input Multiplexer Register (0x20)

D31

D30

D29

D28

D27

D26

D25

D24

FUNCTION

Reserved (1)

D23

D22

D21

D20

D19

D18

D17

D16

FUNCTION

–

Channel-1 AD Mode

–

Channel-1 BD mode(1)

–

SDIN-L to channel 1 (1)

–

SDIN-R to channel 1

–

Reserved

–

Reserved

–

Reserved

–

Reserved

–

Ground (0) to channel 1

–

Reserved

–

Channel 2 AD mode

–

Channel 2 BD mode(1)

–

SDIN-L to channel 2

–

SDIN-R to channel 2 (1)

–

Reserved

–

Reserved

–

Reserved

–

Reserved

–

Ground (0) to channel 2

–

Reserved

D15

D14

D13

D12

D11

D10

FUNCTION

Reserved (1)

FUNCTION

Reserved (1)

(1)

Default values are in bold.

This DAP output mux selects which internal PWM channel is output to the external pins. Any channel can be

output to any external output pin.

Bits D21–D20:

Selects which PWM channel is output to OUT_A

Bits D17–D16:

Selects which PWM channel is output to OUT_B

Bits D13–D12:

Selects which PWM channel is output to OUT_C

Bits D09–D08:

Selects which PWM channel is output to OUT_D

Note that channels are enclosed so that channel 1 = 0x00, channel 2 = 0x01, channet 1 = 0x02, and channel 2 =

0x03.

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