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WM9093ECS/R 데이터시트(PDF) 66 Page - Wolfson Microelectronics plc

부품명 WM9093ECS/R
상세설명  Ultra Low Power Audio Subsystem
PDF  84 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9093ECS/R 데이터시트(HTML) 66 Page - Wolfson Microelectronics plc

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WM9093
Production Data
w
PD, March 2012, Rev 4.2
66
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
1:0
IN2B_SPKMIX
_VOL[1:0]
00
IN2B to SPKMIX volume control
00 = 0dB
01 = -6dB
10 = -9dB
11 = -12dB
Register 22h
SPKMIXL Attenuation
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R36 (24h)
SPKOUT
Mixers
5
IN3_TO_SPKO
UTL
0
Voice Bypass (IN3 Differential) to Speaker Output
enable
0 = Disabled
1 = Enabled
4
SPKMIXL_TO_
SPKOUTL
1
SPKMIX to Speaker Output enable
0 = Disabled
1 = Enabled
Register 24h
SPKOUT Mixers
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R37 (25h)
ClassD3
7
SPK_ATTN_FB
0
Speaker Amp Gain
0 = 0dB
1 = -12dB
Note – this bit has no effect in Class D mode; the 0dB
setting is always implemented in Class D mode.
6
SPK_VREF_A
B_CTRL
1
Selects Reference for Speaker in Class AB mode
0 = SVDD/2
1 = VMID
5:3
SPKOUTL_BO
OST[2:0]
000
Speaker Output Gain Boost
000 = 1.00x boost (+0dB)
001 = 1.19x boost (+1.5dB)
010 = 1.41x boost (+3.0dB)
011 = 1.68x boost (+4.5dB)
100 = 2.00x boost (+6.0dB)
101 = 2.37x boost (+7.5dB)
110 = 2.81x boost (+9.0dB)
111 = 3.98x boost (+12.0dB)
Register 25h
ClassD3
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R38 (26h)
Speaker
Volume Left
8
SPKOUT_VU
N/A
Speaker Output PGA Volume Update
Writing a 1 to this bit will update the SPKOUTL volume.
7
SPKOUTL_ZC
0
Speaker Output PGA Zero Cross Control
0 = Change gain immediately
1 = Change gain on zero cross only
6
SPKOUTL_MU
TE
0
Speaker Output PGA Mute
0 = Un-mute
1 = Mute
5:0
SPKOUTL_VO
11_1001
Speaker Output PGA Volume



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