STW5094A Datasheet, PDF (17/51 Pages) STMicroelectronics – 18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec

STw5094A
Control Register CR5 Functions (Address: 0x05)
7
6
5
4
3
2
1
0
HPB SI
SA(3:0)
Function
XX
0
1
0
1
Voice Codec Receive High Pass filter enabled
Voice Codec Receive High Pass filter disabled
Voice Codec internal sidetone disabled
Voice Codec internal sidetone enabled
(1) *
*
0
0
0
0 -12.5 dB Sidetone gain
*
0
0
0
1 -13.5 dB Sidetone gain
-
-
-
- Sidetone gain in 1 dB step
1
1
1
1 -27.5 dB Sidetone gain
(1): Valid only when Voice Data Fs=8kHz (VFS=0). When Voice data Fs=16kHz (VFS=1) The High Pass Filter is always disabled.
*: state at power on initialization
X: reserved: write 0
Control Register CR6 Functions (Address: 0x06)
7
6
5
4
3
2
1
0
MUT PLS PHL PHR SE RTE
Function
XX
0
The active output Drivers are operative
*
1
The active output Drivers are muted
0
LSP ⁄ N output Driver is in power down
*
1
LSP ⁄ N output Driver is in power up.
0
HPL output Driver is in power down
*
1
HPL output Driver is in power up
0
HPR output Driver is in power down
*
1
HPR output Driver is in power up
0
Audio or Voice Codec Signal to LS or HP disabled
*
1
Audio or Voice Codec Signal to LS or HP enabled.
0 Ring ⁄ Tone to LS or HP disabled
*
1 Ring ⁄ Tone to LS or HP enabled.
*: state at power on initialization
X: reserved: write 0
Control Register CR7 Functions (Address: 0x07)
7
6
5
4
3
2
1
0
LSA(3:0)
Function
XXXX
0
0
0
0 Earpiece ⁄ Loudspeaker Amplifier 6 dB gain
0
0
0
1 Earpiece ⁄ Loudspeaker Amplifier 4 dB gain
0
0
1
0 Earpiece ⁄ Loudspeaker Amplifier 2 dB gain
0
0
1
1 Earpiece ⁄ Loudspeaker Amplifier 0 dB gain
*
-
-
-
- Earpiece ⁄ Loudspeaker Amplifier gain in 2 dB step
1
1
1
1 Earpiece ⁄ Loudspeaker Amplifier -24 dB gain
*: state at power on initialization
X: reserved: write 0
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