Cirrus Logic CS42L73 - Manual (Page 102)

102 DS882F1
CS42L73
6.23 Speakerphone Out [A] Digital Volume Control (Address 1Ch)
6.23.1 Speakerphone Out [A] Digital Volume Control
Normally, this control sets the volume of the signal out of the Speakerphone DAC. If the Limiter is en-
gaged, it sets the maximum volume. Speakerphone digital mutes (SPKDMUTE) override this control.
6.24 Ear Speaker/Speakerphone Line Output (ESL) [B]
Digital Volume Control (Address 1Dh)
6.24.1 Ear Speaker/Speakerphone Line Output (ESL) [B] Digital Volume Control
Normally, this control sets the volume of the signal out of the Ear Speaker/Speakerphone Line Output
DAC. If the Limiter is engaged, it sets the maximum volume. Ear Speaker/Speakerphone Line Output dig-
ital mutes (ESLDMUTE) override this register control.
7 6 5 4 3 2 1 0
SPKDVOL7 SPKDVOL6 SPKDVOL5 SPKDVOL4 SPKDVOL3 SPKDVOL2 SPKDVOL1 SPKDVOL0
SPKDVOL[7:0] Speakerphone Volume
0001 1000 +12.0 dB
··· ···
0000 0000 0 dB
1111 1111 -0.5 dB
1111 1110 -1.0 dB
··· ···
0011 0100 -102 dB
··· ···
0001 1001 -102 dB
Step Size: 0.5 dB
7 6 5 4 3 2 1 0
ESLDVOL7 ESLDVOL6 ESLDVOL5 ESLDVOL4 ESLDVOL3 ESLDVOL2 ESLDVOL1 ESLDVOL0
ESLDVOL[7:0] Ear Speaker/Speakerphone Line Output Volume
0001 1000 +12.0 dB
··· ···
0000 0000 0 dB
1111 1111 -0.5 dB
1111 1110 -1.0 dB
··· ···
0011 0100 -102 dB
··· ···
0001 1001 -102 dB
Step Size: 0.5 dB