cxd2589q Sony Electronics, cxd2589q Datasheet - Page 21

• Manufacturer Part Number: cxd2589q
• Description: Cd Digital Signal Processor
• Manufacturer: Sony Electronics

The attenuation data consists of 10 bits, and is set as follows.
If either the SMUT pin or SMUT is high, soft mute is on.
If either the EMPHI pin or EMPH is high, de-emphasis is on.
Attenuation data
Command bit
Command bit
Command bit
Command bit
Command bit
Command bit
OPSL2 = 1
OPSL2 = 0
EMPH = 1
EMPH = 0
SMUT = 1
SMUT = 0
Mute = 1
Mute = 0
AD9 to 0
ATT = 1
ATT = 0
3FEh
3FDh
3FFh
001h
000h
:
De-emphasis is on.
De-emphasis is off.
Soft mute is on.
Soft mute is off.
Attenuation data.
CD-DSP block mute is on. 0 data is output from the CD-DSP block.
CD-DSP block mute is off.
CD-DSP block output is attenuated (–12dB).
CD-DSP block attenuation is off.
FMUT, LRWO, BSBST and BBSL can be set.
FMUT, LRWO, BSBST and BBSL cannot be set.
Audio output
–0.0085dB
–60.198dB
–0.017dB
0dB
–
– 21 –
The attenuation data (AD9 to AD0) consists of 10bits, and
can be set in 1023 different ways.
The audio output from 001h to 3FFh is obtained using the
following equation.
Audio output = 20 log
Processing
Processing
Processing
Processing
Meaning
Meaning
Attenuation data
1024
[dB]
CXD2589Q