WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 140

• Manufacturer Part Number: WM8903LGEFK/RV
• Description: Audio CODECs ULTRA LOW PWR HI FI CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8903LGEFK/RV

• Audio Codec Type: Stereo Codec
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 6
• No. Of Output Channels: 8
• Adc / Dac Resolution: 24bit
• Sampling Rate: 96kHz
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Adcs / Dacs Signal To Noise Ratio: 96dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8903
R65 (41h)
Analogue
SPK Output
Control 0
Register 41h Analogue SPK Output Control 0
R67 (43h)
DC Servo 0
Register 43h DC Servo 0
R69 (45h)
DC Servo 2
Register 45h DC Servo 2
R71 (47h)
DC Servo 4
Register 47h DC Servo 4
R72 (48h)
DC Servo 5
Register 48h DC Servo 5
w
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
ADDRESS
ADDRESS
7:0
7:0
BIT
BIT
BIT
3:0
BIT
1:0
BIT
4
1
0
DCS_HPOUTL_WRITE_VA
L [7:0]
DCS_HPOUTR_WRITE_VA
L [7:0]
DCS_MASTER_ENA
SPK_DISCHARGE
DCS_MODE[1:0]
DCS_ENA[3:0]
LABEL
LABEL
VROI
LABEL
LABEL
LABEL
DEFAULT
DEFAULT
DEFAULT
00
0000
0
0
1
0000_0000 Value to send to Left Headphone Output
0000_0000 Value to send to Right Headphone Output
DEFAULT
DEFAULT
DC Servo Mode
00 = WRITE_STOP
01 = WRITE_UPDATE
10 = START_STOP
11 = START_UPDATE
Speaker Discharge Enable
0 = Disabled
1 = Enable
Select VMID_TIE_ENA resistance for disabled
Differential Lineouts
0 = 20k ohm
1 = 500 ohm
DC Servo Master Control
0 = DC Servo Reset
1 = DC Servo Enabled
DC Servo Enable
[3] - HPOUTL enable
[2] - HPOUTR enable
[1] - LINEOUTL enable
[0] - LINEOUTR enable
Servo in a WRITE mode
Two’s complement format.
LSB is 0.25mV.
Range is +/-32mV
Servo in a WRITE mode
Two’s complement format.
LSB is 0.25mV.
Range is +/-32mV
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, Rev 3.1, August 2009
Pre-Production
140