WM8985GEFL Wolfson Microelectronics, WM8985GEFL Datasheet - Page 110

• Manufacturer Part Number: WM8985GEFL
• Description: Audio CODECs Multimedia CODEC with Class D HP
• Manufacturer: Wolfson Microelectronics

Specifications of WM8985GEFL

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8985
w
54 (36h)
55 (37h)
56 (38h)
57 (39h)
REGISTER
ADDRESS
8
7
6
5:0
8
7
6
5:0
8:7
6
5:4
3
2
1
0
8
7
6
BIT
OUT2VU
LOUT2ZC
LOUT2MUTE
LOUT2VOL
OUT2VU
ROUT2ZC
ROUT2MUTE
ROUT2VOL
OUT3MUTE
OUT4_2OUT3
BYPL2OUT3
LMIX2OUT3
LDAC2OUT3
OUT3_2OUT4
OUT4MUTE
LABEL
N/A
0
0
111001
N/A
0
0
111001
00
0
00
0
0
0
1
0
0
0
DEFAULT
LOUT2 and ROUT2 volumes do not update until
a 1 is written to OUT2VU (in reg 54 or 55)
Speaker volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
Left speaker output mute:
0 = Normal operation
1 = Mute
Left speaker output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
LOUT2 and ROUT2 volumes do not update until
a 1 is written to OUT2VU (in reg 54 or 55)
Speaker volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
Right speaker output mute:
0 = Normal operation
1 = Mute
Right speaker output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Reserved
0 = Output stage outputs OUT3 mixer
1 = Output stage muted – drives out VMID. Can
be used as VMID buffer in this mode. (Not to be
used for Capless HP pseudo GND)
Reserved. Initialise to 0
OUT4 mixer output to OUT3
0 = disabled
1= enabled
Left ADC input to OUT3
0 = disabled
1= enabled
Left DAC mixer to OUT3
0 = disabled
1= enabled
Left DAC output to OUT3
0 = disabled
1= enabled
Reserved. Initialise to 0
OUT3 mixer output to OUT4
0 = disabled
1 = enabled
0 = Output stage outputs OUT4 mixer
1 = Output stage muted – drives out VMID. Can
be used as VMID buffer in this mode. (Not to be
used for Capless HP pseudo GND)
DESCRIPTION
PD, Rev 4.6, July 2009
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Production Data
REFER TO
110