STA015B$ STMicroelectronics, STA015B$ Datasheet - Page 36

• Manufacturer Part Number: STA015B$
• Description: DECODER AUDIO MPEG 2.5 8X8LFBGA
• Manufacturer: STMicroelectronics
• Type: Audio Decoderr

Specifications of STA015B$

• Applications: Sound Cards, Players, Recorders
• Voltage - Supply, Digital: 2.4 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 64-LFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply, Analog: -

STA015
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:
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TF15
BF15
MSB
MSB
MSB
MSB
TF7
BF7
b7
b7
b7
b7
BF14
TF14
TF6
BF6
b6
b6
b6
b6
TF13
BF13
BF5
TF5
b5
b5
b5
b5
BF12
TF12
TF4
BF4
b4
b4
b4
b4
TF11
BF11
BF3
TF3
b3
b3
b3
b3
BF10
TF10
TF2
BF2
b2
b2
b2
b2
TF9
BF1
BF9
TF1
b1
b1
b1
b1
LSB
LSB
LSB
LSB
TF0
TF8
BF0
BF8
b0
b0
b0
b0