wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 297
wm8351
Manufacturer Part Number
wm8351
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8351.pdf
(328 pages)
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Production Data
REGISTER
Register BCh DCDC3 Low Power
Register BDh DCDC4 Control
w
REGISTER
ADDRESS
ADDRESS
R189 (BDh)
DCDC4
Control
BIT
BIT
6:0
11
10
DC4_VSEL[6:0]
DC4_DISOVP
DC4_OPFLT
LABEL
LABEL
DEFAULT
000_0000
110_0010
010_0110
110_0010
DEFAULT
0
0
Over voltage Protection
0 = enabled
1 = disabled
Reset by state machine. Default held in metal mask.
Enable discharge of DC-DC4 outputs when DC-DC4
is disabled
0 = Enabled - Output to be discharged
1 = Disabled - Output is left floating
DC-DC4 Converter output voltage settings in 25mV
steps.
Maximum output = 3.4V.
110 0110 = 3.4V
110 0010 = 3.3V
101 0110 = 3.0V
100 1110 = 2.8V
……
010 0110 = 1.8V
000 1110 = 1.2V
000 0110 = 1.0V
000 0000 = 0.85V
Reset by state machine. Default held in metal mask.
101 0110 = 3.0V
100 1110 = 2.8V
……
010 0110 = 1.8V
000 1110 = 1.2V
000 0110 = 1.0V
000 0000 = 0.85V
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
WM8351
297
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