CS42L55 Datasheet, PDF (41/73 Pages) Cirrus Logic – Ultra Low Power, Stereo CODEC w/Class H Headphone Amp

CS42L55
I²C Address: 1001010[R/W] - 10010100 = 0x94(Write); 10010101 = 0x95(Read)
Adr. Function
7
6
5
4
3
2
1
0
1Bh Headphone B
p 57 Volume
HPBMUTE
0
HPBVOL6
0
HPBVOL5
0
HPBVOL4
0
HPBVOL3 HPBVOL2 HPBVOL1
0
0
0
HPBVOL0
0
1Ch Line A
p 58 Volume
LINEAMUTE LINEAVOL6 LINEAVOL5 LINEAVOL4 LINEAVOL3 LINEAVOL2 LINEAVOL1 LINEAVOL0
0
0
0
0
0
0
0
0
1Dh Line B
p 58 Volume
LINEBMUTE LINEBVOL6 LINEBVOL5 LINEBVOL4 LINEBVOL3 LINEBVOL2 LINEBVOL1 LINEBVOL0
0
0
0
0
0
0
0
0
1Eh Analog Input
p 59 Advisory Vol
AINADV7
0
AINADV6
0
AINADV5
0
AINADV4
0
AINADV3
0
AINADV2
0
AINADV1
0
AINADV0
0
1Fh Digital Input
p 59 Advisory Vol
DINADV7
0
DINADV6
0
DINADV5
0
DINADV4
0
DINADV3
0
DINADV2
0
DINADV1
0
DINADV0
0
20h Channel Mixer PCMBSWP1 PCMBSWP0 PCMASWP1 PCMASWP0 ADCBSWP1 ADCBSWP0 ADCASWP1 ADCASWP0
p 60 & Swap
0
0
0
0
0
0
0
0
21h Limit Thresh-
p 60 olds
LMAX2
0
LMAX1
0
LMAX0
0
CUSH2
0
CUSH1
0
CUSH0
0
Reserved
0
Reserved
0
22h Limit Ctl,
p 61 Release Rate
LIMIT
0
LIMIT_ALL LIMRRATE5 LIMRRATE4 LIMRRATE3 LIMRRATE2 LIMRRATE1 LIMRRATE0
1
1
1
1
1
1
1
23h Limiter Attack
p 62 Rate
Reserved
0
Reserved LIMARATE5 LIMARATE4 LIMARATE3 LIMARATE2 LIMARATE1 LIMARATE0
0
0
0
0
0
0
0
24h ALC Enable,
p 62 Attack Rate
ALCB
0
ALCA
0
ALCARATE5 AALCRATE4 ALCARATE3 ALCARATE2 ALCARATE1 ALCARATE0
0
0
0
0
0
0
25h ALC Release
p 63 Rate
Reserved
0
Reserved ALCRRATE5 ALCRRATE4 ALCRRATE3 ALCRRATE2 ALCRRATE1 ALCRRATE0
0
1
1
1
1
1
1
26h
ALCMAX2
p 64 ^{ALC Thresholds}
0
ALCMAX1
0
ALCMAX0
0
ALCMIN2
0
ALCMIN1
0
ALCMIN0
0
Reserved
0
Reserved
0
27h
p 64 ^{Noise Gate Ctl}
NGALL
0
NG
NGBOOST THRESH2 THRESH1 THRESH0 NGDELAY1 NGDELAY0
0
0
0
0
0
0
0
28h ALC, Limiter
ALCBSRDIS ALCBZCDIS ALCASRDIS ALCAZCDIS LIMSRDIS
p 65 SFT, ZC Disable
0
0
0
0
0
Reserved
0
Reserved
0
Reserved
0
29h Misc. Status
p 66 (Read Only)
HPDETECT SPCLKERR DSPBOVFL DSPAOVFL MIXBOVFL MIXAOVFL ADCBOVFL ADCAOVFL
0
0
0
0
0
0
0
0
2Ah Charge Pump
p 67 Freq
Reserved
0
Reserved
0
Reserved
0
Reserved CHGFREQ3 CHGFREQ2 CHGFREQ1 CHGFREQ0
0
0
1
0
1
DS773F1
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