WM8990ECS/RV Wolfson Microelectronics, WM8990ECS/RV Datasheet - Page 163

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WM8990ECS/RV

Manufacturer Part Number
WM8990ECS/RV
Description
Audio CODECs Stereo CODEC w.Class AB/D speaker driver
Manufacturer
Wolfson Microelectronics
Datasheet

Specifications of WM8990ECS/RV

Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Production Data
R59 (3Bh)
R60 (3Ch)
PLL (1)
R61 (3Dh)
PLL (2)
R62 (3Eh)
PLL (3)
R63 (3Fh) to
R116 (74h)
R117 (75h)
Access
Control
R118 (76h) to
R121 (79h)
R122 (7Ah)
Extended ADC
Control
R123 (7Bh) to
R127 (7Fh)
REGISTER
ADDRESS
0
15:0
15:8
7
6
5
4
3:0
15:8
7:0
15:8
7:0
Reserved
15:2
1
0
Reserved
15
14:0
Reserved
BIT
MBSEL
SDM
PRESCALE
PLLN
[3:0]
PLLK
[15:8]
PLLK
[7:0]
EXT_ACCESS_ENA
ADCL_ADCR_LINK
LABEL
0b
0000h
00h
0b
0b
0b
0b
8h
00h
31h
00h
26h
0000h
0b
0b
0b
2003h
DEFAULT
Microphone Bias Voltage Control
0 = 0.9 * AVDD
1 = 0.65 * AVDD
Reserved - Do Not Change
Reserved - Do Not Change
Enable PLL Integer Mode
0 = Integer mode
1 = Fractional mode
Divide MCLK by 2 at PLL input
0 = Divide by 1
1 = Divide by 2
Reserved - Do Not Change
Reserved - Do Not Change
Integer (N) part of PLL frequency ratio.
Use values greater than 5 and less than 13.
Reserved - Do Not Change
Fractional (K) part of PLL frequency ratio
(Most significant bits)
Reserved - Do Not Change
Fractional (K) part of PLL frequency ratio
(Least significant bits)
Reserved - Do Not Change
Extended Register Map Access
0 = disabled
1 = enabled
Reserved - Do Not Change
0 = ADC Sync disabled
1 = ADC Sync enabled
Reserved - Do Not Change
DESCRIPTION
PD, March 2009, Rev 4.0
WM8990
163

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