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WM8961GEFL/V Datasheet(PDF) 94 Page - Wolfson Microelectronics plc

Part # WM8961GEFL/V
Description  Ultra-Low Power Stereo CODEC with 1W Stereo Class D Speaker Drivers and Ground Referenced Headphone Drivers
PDF  116 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8961GEFL/V Datasheet(HTML) 94 Page - Wolfson Microelectronics plc

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WM8961
Pre-Production
w
PP, August 2009, Rev 3.1
94
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R41 (29h)
ROUT2
volume
8
SPKVU
0
Speaker PGA volume update
7
SPKRZC
0
Right speaker PGA zero cross enable
6:0
SPKRVOL[6:0]
000_0000
Right Speaker output PGA gain, 1dB steps
0000000 to 0101111 : Mute
0110000 : -73dB
…
1111001 : 0dB
…
1111111 : +6dB
Register 29h ROUT2 volume
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R47 (2Fh)
Pwr Mgmt (3)
1
TEMP_SHUT
0
Read only status of temperature sensor
triggers at 145 degrees C
0
TEMP_WARN
0
Read only status of temperature sensor – triggers at 125 degrees C
Register 2Fh Pwr Mgmt (3)
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R48 (30h)
Additional
Control (4)
1
TSENSEN
1
Enable overheat temp sensor
0
MBSEL
1
0: MICBIAS = 5/6 AVDD
1: MICBIAS = 7/6 AVDD
Register 30h Additional Control (4)
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R49 (31h)
Class D
Control 1
7
SPKR_ENA
0
Right channel class D enable
6
SPKL_ENA
0
Left channel Class D enable
Register 31h Class D Control 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R51 (33h)
Class D
Control 2
2:0
CLASSD_ACGAIN[2:0]
011
AC speaker boost (Boosts speaker AC output signal on both left
and right channels)
000 – 1.00 x boost (+0dB)
001 – 1.19 x boost (+1.5dB)
010 – 1.41 x boost (+3dB)
011 – 1.68 x boost (+4.5B)
100 – 2.00 x boost (+6B)
101 – 2.37 x boost (+7.5dB)
110 – 2.81 x boost (+9dB)
111 – 3.98 x boost (+12dB)
Note that +12dB setting will cause a full scale output signal to clip.
Register 33h Class D Control 2



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