Product Preview
WM8955L
REGISTER MAP
REGISTER ADDRESS
(BIT 15 – 9)
REMARKS
BIT8
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
R0 (00h)
R1 (01h)
R2 (02h)
R3 (03h)
R4 (04h)
R5 (05h)
R6 (06h)
R7 (07h)
R8 (08h)
0000000
0000001
0000010
0000011
0000100
0000101
0000110
Reserved
Reserved
LOUT1
000000000
000000000
LO1VU
RO1VU
LO1ZC
RO1ZC
LOUT1VOL
ROUT1VOL
ROUT1
Reserved
DAC Control
Reserved
000000000
0
0
0
DAT
0
0
DACMU
DEEMPH
0
000000000
LRP
0000111 Audio Interface
BCLKINV
BCLK
MS
LRSWAP
WL
FORMAT
0001000 Sample Rates CLKOUT
DIV2
MCLK
DIV2
SR
USB
DIV2
R9 (09h)
0001001
0001010
0001011
0001100
0001101
0001110
0001111
Reserved
Left Gain
000000000
R10 (0Ah)
R11 (0Bh)
R12 (0Ch)
R13 (0Dh)
R14 (0Eh)
R15 (0Fh)
R16 – R22
R23 (17h)
R24 (18h)
R25 (19h)
R26 (1Ah)
R27 – R33
R34 (22h)
R35 (23h)
R36 (24h)
R37 (25h)
R38 (26h)
R39 (27h)
R40 (28h)
R41 (29h)
R42 (2Ah)
R43 (2Bh)
LDVU
LDACVOL (Right DAC Digital Volume)
RDACVOL (Right DAC Digital Volume)
Right Gain
Bass
RDVU
0
0
BB
0
BC
TC
0
0
0
BASS (Bass Intensity)
TRBL (Treble Intensity)
Treble
0
TBD
000000000
Reset
writing 000000000 to this register resets all registers to their default state
000000
Reserved
Additional (1)
Additional (2)
Pwr Mgmt (1)
Pwr Mgmt (2)
Reserved
Left Mix (1)
Left Mix (2)
Right Mix (2)
Right Mix (1)
Mono Mix (1)
Mono Mix (2)
LOUT2
0010111
0011000
0011001
0011010
TSDEN
VSEL
DMONOMIX
0
HPZC
0
0
DACINV
TOEN
DACOSR
DIGENB
0
OUT3SW
VMIDSEL
HPSWEN HPSWPOL ROUT2INV
0
0
0
0
VREF
0
0
DACL
DACR
LOUT1
ROUT1
LOUT2
000000
ROUT2
MOUT
OUT3
0100010
0100011
0100101
0100100
0100110
0100111
0101000
0101001
0101010
TBD
LD2LO
RD2LO
LD2RO
RD2RO
LD2MO
RD2MO
LO2VU
RO2VU
0
LI2LO
MI2LO
MI2RO
RI2RO
LI2MO
RI2MO
LO2ZC
RO2ZC
MOZC
LI2LOVOL
MI2LOVOL
MI2ROVOL
RI2ROVOL
LI2MOVOL
RI2MOVOL
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
DMEN
0
0
0
LOUT2VOL
ROUT2VOL
ROUT2VOL
PLLEN
ROUT2
MONOOUT
Clocking / PLL MCLKSEL CLKOUT
EN
CLKOUT
SEL
PLLOUT
DIV2
PLL_RB
TBD
TBD
TBD
R44 (2Ch)
R45 (2Dh)
R46 (2Eh)
0101100 PLL Control (1)
0101101 PLL Control (2)
0101110 PLL Control (3)
N
0
K [21:18]
K [17:9]
K [8:0]
Product Preview Rev 0.4 May2003
37
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
