STA323W datasheet(53/71 Pages) STMICROELECTRONICS

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STA323W

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It is also possible to map each channel independently to either of the two limiters available

within the STA323W. In the default mode the channels are not mapped to a limiter.

Each PWM output channel can receive data from any channel output of the volume block.

Which channel a particular PWM output receives depends on the CxOM register bits for that

channel.

7.11

Tone control (address 0x11)

Table 60.

Channel Limiter Mapping Selection

CxLS (1,0)

Channel limiter mapping

Channel has limiting disabled

Channel is mapped to limiter #1

Channel is mapped to limiter #2

Table 61.

Channel PWM output mapping

CxOM (1...0)

PWM output from

Channel 1

Channel 2

Channel 3

Not used

TTC3

TTC2

TTC1

TTC0

BTC3

BTC2

BTC1

BTC0

111

011

Table 62.

Tone control boost/cut selection

BTC (3...0)/TTC (3...0)

Boost/cut

0000

-12 dB

0001

-12 dB

……

0111

-4 dB

0110

-2 dB

0111

0 dB

1000

+2 dB

1001

+4 dB

……

1101

+12 dB

1110

+12 dB

1111

+12 dB

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