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WM8351 Datasheet(PDF) 316 Page - Wolfson Microelectronics plc

Part # WM8351
Description  Wolfson AudioPlus??Stereo CODEC with Power Management
PDF  330 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8351 Datasheet(HTML) 316 Page - Wolfson Microelectronics plc

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WM8351
Production Data
w
PD, April 2012, Rev 4.5
316
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
0011 = TRICKLE_OVERTEMP
0100 = FAST
0110 = FAST_CHOKE
0101 = FAST_OVERTEMP
3:0
MAIN_SM[3:0]
0000
Readback tell you what state the MAIN state machine
is in. This is useful for debugging your setup.
0010 = OFF
1101 = PRE-ACTIVE
1100 = HIBERNATE
1111 = ACTIVE
Register E9h
State Machine status
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R234 (EAh)
FLL Test 1
12
FLL_FRC_TRK_GAIN
1
Force the FLL_TRK_GAIN
0 : Lets FLL_TRK_GAIN control the FLL
1 : Forces FLL_TRK_GAIN to 0 until FLL_LOCK
goes high
Protected by security key.
9:8
FLL_BIAS[1:0]
10
FLL bias control
Protected by security key.
7:6
FLL_POLE_SHIFT[1:0]
00
Test register to control analogue poles with FLL
loop
Protected by security key.
Register EAh
FLL Test 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R248 (F8h)
DCDC1 Test
Controls
4
DC1_FORCE_PWM
0
Force DC-DC1 PWM mode
0 = Normal DC-DC operation
1 = Force DC-DC PWM mode
Reset by state machine.
Register F8h
DCDC1 Test Controls
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R250 (FAh)
DCDC3 Test
Controls
4
DC3_FORCE_PWM
0
Force DC-DC3 PWM mode
0 = Normal DC-DC operation
1 = Force DC-DC PWM mode
Reset by state machine.
Register FAh
DCDC3 Test Controls
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R251 (FBh)
DCDC4 Test
Controls
4
DC4_FORCE_PWM
0
Force DC-DC4 PWM mode
0 = Normal DC-DC operation
1 = Force DC-DC PWM mode
Reset by state machine.
Register FBh
DCDC4 Test Controls



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