ANALOG PRODUCTS DIVISION
PA5750
Low Power Stereo Audio CODEC
With Speaker and Headphone Amplifier.
6.3.20. Register42 – DAC Control 20, Default 0011 1000
Bit Name
Bit Description
RD2RO
7
0 – right DAC to right mixer disable (default).
1 – right DAC to right mixer enable
RI2RO
6
0 – RIN signal to right mixer disable (default).
1 – RIN signal to right mixer enable
RI2ROVOL
5:3 RIN signal to right mixer gain.
000 – 6dB.
001 – 3dB.
010 – 0dB.
011 – -3dB.
100 – -6dB.
101 – -9dB.
110 – -12dB.
111 – -15dB (default).
6.3.21. Register43 – DAC Control 21, Default 0011 1000
Bit Name
Bit Description
LD2MO
7
0 – left DAC to mono mixer disable (default).
1 – left DAC to mono mixer enable
LI2MO
6
0 – LIN signal to mono mixer disable (default).
1 – LIN signal to mono mixer enable
LI2MOVOL
5:3 LIN signal to mono mixer gain.
000 – 6dB.
001 – 3dB.
010 – 0dB.
011 – -3dB.
100 – -6dB.
101 – -9dB.
110 – -12dB.
111 – -15dB (default).
6.3.22. Register44 – DAC Control 22, Default 0011 1000
Bit Name
Bit Description
RD2MO
7
0 – right DAC to right mixer disable (default).
1 – right DAC to right mixer enable
RI2MO
6
0 – RIN signal to right mixer disable (default).
1 – RIN signal to right mixer enable
RI2MOVOL
5:3 RIN signal to mono mixer gain.
000 – 6dB.
001 – 3dB.
010 – 0dB.
011 – -3dB.
100 – -6dB.
101 – -9dB.
110 – -12dB.
111 – -15dB (default).
561 E Elliot Road.#175 Chandler, AZ 85225 Tel: (480)539-2900. Fax: (480)632-1715.
21
95230 Rev.0. 04/09
www.protekanalog.com
Not for use in any life support systems.