WM8985GEFL Wolfson Microelectronics, WM8985GEFL Datasheet - Page 108

• 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
49 (31h)
50 (32h)
REGISTER
ADDRESS
2:0
8:7
6
5
4:3
2
1
0
8:6
5
4:2
1
0
BIT
AUXR2BOOSTVOL
DACL2RMIX
DACR2LMIX
TSOPCTRL
TSDEN
VROI
AUXLMIXVOL
AUXL2LMIX
BYPLMIXVOL
BYPL2L
MIX
DACL2L
MIX
LABEL
000
00
0
0
00
0
1
0
000
0
000
0
1
DEFAULT
Control auxilliary. amplifer to the right channel
input boost stage:
000=Path disabled (disconnected)
001=-12dB gain through boost stage
010=-9dB gain through boost stage
…
111=+6dB gain through boost stage
Reserved. Initialise to 0
Left DAC output to right output mixer
0 = not selected
1 = selected
Right DAC output to left output mixer
0 = not selected
1 = selected
Reserved. Initialise to 0
Thermal Shutdown Output enable
0 = Disabled
1 = Enabled, i.e. all outputs will be disabled if TI
set and the device junction temperature is more
than 125ºC.
Thermal Shutdown Enable
0 : thermal shutdown disabled
1 : thermal shutdown enabled
VREF (AVDD/2 or 1.5xAVDD/2) to analogue
output resistance
0: approx 1kΩ
1: approx 30 kΩ
Aux left channel input to left mixer volume
control:
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
Left Auxilliary input to left channel output mixer:
0 = not selected
1 = selected
Left bypass volume control to output channel
mixer:
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
Left bypass path (from the left channel input
boost output) to left output mixer
0 = not selected
1 = selected
Left DAC output to left output mixer
0 = not selected
1 = selected
DESCRIPTION
PD, Rev 4.6, July 2009
Input Signal
Path
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Production Data
REFER TO
108