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WM8953ECS/RV Datenblatt(PDF) 95 Page - Wolfson Microelectronics plc

Teilenummer WM8953ECS/RV
Bauteilbeschribung  Low Power Stereo ADC with PLL and TDM Interface
PDF  100 Pages
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Hersteller  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8953ECS/RV Datenblatt(HTML) 95 Page - Wolfson Microelectronics plc

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Production Data
WM8953
w
PD, January 2009, Rev 4.0
95
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
3
BUFIOEN
0b
Enables the VGS / R current generator and the analogue input
bias
0 = Disabled
1 = Enabled
2:0
000b
Reserved - Do Not Change
15:8
00h
Reserved - Do Not Change
7:6
MCDSCTH
[1:0]
00b
MICBIAS Short Circuit Current Detect Threshold
00 = 600uA
01 = 1200uA
10 = 1800uA
11 = 2400uA
These values are for AVDD=3.3V and scale proportionally with
AVDD.
5:3
MDCTHR
[2:0]
000b
MICBIAS Current Detect Threshold
000 = 200uA
001 = 350uA
010 = 500uA
011 = 650uA
100 = 800uA
101 = 950uA
110 = 1100uA
111 = 1200uA
These values are for AVDD=3.3V and scale proportionally with
AVDD.
2
MCD
0b
MICBIAS Current and Short Circuit Detect Enable
0 = disabled
1 = enabled
1
0b
Reserved - Do Not Change
R58 (3Ah)
Microphone
Bias
0
MBSEL
0b
Microphone Bias Voltage Control
0 = 0.9 * AVDD
1 = 0.65 * AVDD
R59 (3Bh)
15:0
0000h
Reserved - Do Not Change
15:8
00h
Reserved - Do Not Change
7
SDM
0b
Enable PLL Integer Mode
0 = Integer mode
1 = Fractional mode
6
PRESCALE
0b
Divide MCLK by 2 at PLL input
0 = Divide by 1
1 = Divide by 2
5:4
00b
Reserved - Do Not Change
R60 (3Ch)
PLL (1)
3:0
PLLN
[3:0]
8h
Integer (N) part of PLL frequency ratio.
Use values greater than 5 and less than 13.
15:8
00h
Reserved - Do Not Change
R61 (3Dh)
PLL (2)
7:0
PLLK
[15:8]
31h
Fractional (K) part of PLL frequency ratio
(Most significant bits)
15:8
00h
Reserved - Do Not Change
R62 (3Eh)
PLL (2)
7:0
PLLK
[7:0]
26h
Fractional (K) part of PLL frequency ratio
(Least significant bits)
R63 (3Fh) to
R116 (74h)
Reserved
15:2
0000h
Reserved - Do Not Change
R117 (75h)
Access
Control
1
EXT_ACCESS_ENA
0b
Extended Register Map Access
0 = disabled
1 = enabled



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