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STw5094A

Control Register CR5 Functions (Address: 0x05)

(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)

*: state at power on initialization

X: reserved: write 0

Control Register CR7 Functions (Address: 0x07)

*: state at power on initialization

X: reserved: write 0

7654

3210

Function

HPB

SI

SA(3:0)

XX

0

1

Voice Codec Receive High Pass filter enabled

(1) *

Voice Codec Receive High Pass filter disabled

0

1

Voice Codec internal sidetone disabled

*

Voice Codec internal sidetone enabled

0

0

-

1

0

0

-

1

0

0

-

1

0

1

-

1

-12.5 dB Sidetone gain

*

-13.5 dB Sidetone gain

Sidetone gain in 1 dB step

-27.5 dB Sidetone gain

7

6

5

4

32

10

Function

MUT

PLS

PHL

PHR

SE

RTE

XX

0

1

The active output Drivers are operative

*

The active output Drivers are muted

0

1

LSP

⁄ N output Driver is in power down

*

LSP

⁄ N output Driver is in power up.

0

1

HPL output Driver is in power down

*

HPL output Driver is in power up

0

1

HPR output Driver is in power down

*

HPR output Driver is in power up

0

1

Audio or Voice Codec Signal to LS or HP disabled

*

Audio or Voice Codec Signal to LS or HP enabled.

0

1

Ring

⁄ Tone to LS or HP disabled

*

Ring

⁄ Tone to LS or HP enabled.

7654

3210

Function

LSA(3:0)

XXXX

0

0

0

0

-

1

0

0

0

0

-

1

0

0

1

1

-

1

0

1

0

1

-

1

Earpiece

⁄ Loudspeaker Amplifier 6 dB gain

Earpiece

⁄ Loudspeaker Amplifier 4 dB gain

Earpiece

⁄ Loudspeaker Amplifier 2 dB gain

Earpiece

⁄ Loudspeaker Amplifier 0 dB gain

*

Earpiece

⁄ Loudspeaker Amplifier gain in 2 dB step

Earpiece

⁄ Loudspeaker Amplifier -24 dB gain