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WM8959 Datasheet(PDF) 145 Page - Wolfson Microelectronics plc

Part # WM8959
Description  Mobile Multimedia DAC with Dual-Mode Class AB/D Speaker Driver
PDF  155 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8959 Datasheet(HTML) 145 Page - Wolfson Microelectronics plc

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Pre-Production
WM8959
w
PP, May 2008, Rev 3.1
145
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
4
ROPRON
0b
Inverted ROP Output to RONMIX
0 = Mute
1 = Un-mute
3
0b
Reserved - Do Not Change
2
RL12ROP
0b
LIN12 PGA Output to ROPMIX
0 = Mute
1 = Un-mute
1
RR12ROP
0b
RIN12 PGA Output to ROPMIX
0 = Mute
1 = Un-mute
0
RROPGAROP
0b
ROPGA to ROPMIX
0 = Mute
1 = Un-mute
15:8
000h
Reserved - Do Not Change
7
LB2SPK
0b
AINLMUX Output to SPKMIX
0 = Mute
1 = Un-mute
6
RB2SPK
0b
AINRMUX Output to SPKMIX
0 = Mute
1 = Un-mute
5
LI2SPK
0b
LIN2 to SPKMIX
0 = Mute
1 = Un-mute
4
RI2SPK
0b
RIN2 to SPKMIX
0 = Mute
1 = Un-mute
3
LOPGASPK
0b
LOPGA to SPKMIX
0 = Mute
1 = Un-mute
2
ROPGASPK
0b
ROPGA to SPKMIX
0 = Mute
1 = Un-mute
1
LDSPK
0b
Left DAC to SPKMIX
0 = Mute
1 = Un-mute
Note: LDSPK must be muted when LDLO=1
R54 (36h)
Speaker
Output Mixer
0
RDSPK
0b
Right DAC to SPKMIX
0 = Mute
1 = Un-mute
Note: RDSPK must be muted when RDRO=1
15:1
0000h
Reserved - Do Not Change
R55 (37h)
Additional
Control
0
VROI
0b
VREF to Analogue Output Resistance (Disabled Outputs)
0 = 20k
Ω (Headphone) or 10kΩ (Line Out) from buffered
VMID to output
1 = 500
Ω from buffered VMID to output
15:6
000h
Reserved - Do Not Change
5
DIS_LLINE
0b
Discharges LOP and LON outputs via approx 500
Ω resistor
0 = Not active
1 = Actively discharging LOP and LON
R56 (38h)
Anti-Pop (1)
4
DIS_RLINE
0b
Discharges ROP and RON outputs via approx 500
Ω resistor
0 = Not active
1 = Actively discharging ROP and RON



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