Instruction Manual
76 DS882F1
CS42L73
5. REGISTER QUICK REFERENCE
(Default values are shown below the bit names) 
I²C Address: 1001010[R/W]—10010100 = 0x94(Write); 10010101 = 0x95(Read)
Adr.
Function
76543210
00h
Fast Mode 
Enable. 
FM_EN7 FM_EN6 FM_EN5 FM_EN4 FM_EN3 FM_EN2 FM_EN1 FM_EN0
p81
00000000
01h
Device ID A and 
B (Read Only). 
DEVIDA3 DEVIDA2 DEVIDA1 DEVIDA0 DEVIDB3 DEVIDB2 DEVIDB1 DEVIDB0
p81
01000010
02h
Device ID C and 
D
 (Read Only). 
DEVIDC3 DEVIDC2 DEVIDC1 DEVIDC0 DEVIDD3 DEVIDD2 DEVIDD1 DEVIDD0
p81
10100111
03h
Device ID E 
(Read Only)
. 
DEVIDE3 DEVIDE2 DEVIDE1 DEVIDE0 Reserved Reserved Reserved Reserved
p81
00110000
04h
Reserved. 
Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved
-
0000xxxx
05h
Rev ID (Read 
Only)
. 
AREVID3 AREVID2 AREVID1 AREVID0 MTLREVID3 MTLREVID2 MTLREVID1 MTLREVID0
p81
xxxxxxxx
06h
Power Ctl 1. 
PDN_ADCB PDN_DMICB PDN_ADCA PDN_DMICA Reserved Reserved DISCHG_FILT PDN
p82
11110001
07h
Power Ctl 2. 
PDN_MIC2_
BIAS
PDN_MIC1_
BIAS
Reserved PDN_VSP PDN_
ASPSDOUT
PDN_
ASPSDIN
PDN_
XSPSDOUT
PDN_
XSPSDIN
p83
11011111
08h
Power Ctl 3, 
Thermal Over-
load Threshold. 
THMOVLD_
THLD1
THMOVLD_
THLD0
PDN_THMS PDN_SPKLO PDN_EAR PDN_SPK PDN_LO PDN_HP
p84
00111111
09h
Charge Pump 
Freq. and Class 
H Control. 
CHGFREQ3 CHGFREQ2 CHGFREQ1 CHGFREQ0 Reserved ADPTPWR2 ADPTPWR1 ADPTPWR0
p85
01010000
0Ah
Output Load, 
Mic Bias, and 
MIC2 Short 
Detect Config. 
Reserved VP_MIN SPK_LITE_
LOAD
MIC_BIAS_
CTRL
SDET_AMUTE Reserved Reserved Reserved
p86
01010011
0Bh
Digital Mic and 
Master Clock 
Control. 
DMIC_SCLK_
DIV
Reserved Reserved MCLKSEL MCLKDIV2 MCLKDIV1 MCLKDIV0 MCLKDIS
p87
00000000
0Ch
XSP Control. 
3ST_XSP XSPDIF X_PCM_
MODE1
X_PCM_
MODE0
X_PCM_BIT_
ORDER
Reserved X_SCK=MCK1 X_SCK=MCK0
p88
00000000
0Dh
XSP Master 
Mode Clocking 
Control. 
X_M/S
Reserved X_MMCC5 X_MMCC4 X_MMCC3 X_MMCC2 X_MMCC1 X_MMCC0
p89
00010101
0Eh
ASP Control. 
3ST_ASP Reserved ASPFS3 ASPFS2 ASPFS1 ASPFS0 A_SCK=MCK1 A_SCK=MCK0
p89
00000000
0Fh
ASP Master 
Mode Clocking 
Control. 
A_M/S
Reserved A_MMCC5 A_MMCC4 A_MMCC3 A_MMCC2 A_MMCC1 A_MMCC0
p90
00010101
10h
VSP Control. 
3ST_VSP VSPDIF V_PCM_
MODE1
V_PCM_
MODE0
V_PCM_BIT_
ORDER
V_SDIN_LOC V_SCK=MCK1 V_SCK=MCK0
p91
00000000
11h
VSP Master 
Mode Clocking 
Control. 
V_M/S
Reserved V_MMCC5 V_MMCC4 V_MMCC3 V_MMCC2 V_MMCC1 V_MMCC0
p92
00010101
12h
VSP and XSP 
Sample Rate. 
VSPFS3 VSPFS2 VSPFS1 VSPFS0 XSPFS3 XSPFS2 XSPFS1 XSPFS0
p93
00000000
13h
Misc. Input and 
Output Path 
Control. 
D_SWAP_
MONO_CTL1
D_SWAP_
MONO_CTL0
IPB=A PGAB=A PGASFT ANLGZC DIGSFT ANLGOSFT
p94
00000110
14h
ADC/IP Control. 
PGABMUX BOOSTB INV_ADCB IPBMUTE PGAAMUX BOOSTA INV_ADCA IPAMUTE
p97
00000000










