STA015T datasheet(36/56 Pages) STMICROELECTRONICS

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STA015

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TREBLE_FREQUENCY_LOW

Address: 0x77 (119)

Type: RW

Software Reset: 0x00

Hardware Reset: 0x00

TREBLE_FREQUENCY_HIGH

Address: 0x78

Type: RW

Software Reset: 0x00

Hardware Reset: 0x00

The registers TREBLE_FREQUENCY-HIGH and TREBLE_FREQUENCY-LOW, logically concatenated

as a 16 bit wide register, are used to select the frequency, in Hz, where the selected frequency is +12dB

respect to the stop band. By setting these registers, the following rule must be kept:

Treble_Freq < Fs/2

BASS_FREQUENCY_LOW

Address: 0x79 (121)

Software Reset: 0x00

Hardware Reset: 0x00

BASS_FREQUENCY_HIGH

Address: 0x7A (122)

Software Reset: 0x00

Hardware Reset: 0x00

The registers BASS_FREQUENCY_HIGH and BASS_FREQUENCY_LOW, logically concatenated as a

16 bit wide register, are used to select the frequency, in Hz, where the selected frequency is -12dB respect

to the pass-band. By setting the BASS_FREQUENCY registers, the following rules must be kept:

MSB

LSB

TF7

TF6

TF5

TF4

TF3

TF2

TF1

TF0

MSB

LSB

TF15

TF14

TF13

TF12

TF11

TF10

TF9

TF8

MSB

LSB

BF7

BF6

BF5

BF4

BF3

BF2

BF1

BF0

MSB

LSB

BF15

BF14

BF13

BF12

BF11

BF10

BF9

BF8

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