wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 315

• Manufacturer Part Number: wm8351
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
Register E9h State Machine status
REGISTER
Register EAh FLL Test 1
Register F8h DCDC1 Test Controls
Register FAh DCDC3 Test Controls
Register FBh DCDC4 Test Controls
w
REGISTER
REGISTER
REGISTER
REGISTER
ADDRESS
DCDC1 Test
DCDC3 Test
DCDC4 Test
ADDRESS
ADDRESS
ADDRESS
ADDRESS
R234 (EAh)
R250 (FAh)
R251 (FBh)
R248 (F8h)
FLL Test 1
Controls
Controls
Controls
BIT
BIT
BIT
BIT
BIT
9:8
7:6
12
3:0
4
4
4
FLL_POLE_SHIFT[1:0]
DC1_FORCE_PWM
DC3_FORCE_PWM
DC4_FORCE_PWM
FLL_FRC_TRK_GAIN
MAIN_SM[3:0]
FLL_BIAS[1:0]
LABEL
LABEL
LABEL
LABEL
LABEL
DEFAULT
0000
DEFAULT
DEFAULT
DEFAULT
DEFAULT
0
0
0
10
00
1
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
Force DC-DC1 PWM mode
0 = Normal DC-DC operation
1 = Force DC-DC PWM mode
Reset by state machine.
Force DC-DC3 PWM mode
0 = Normal DC-DC operation
1 = Force DC-DC PWM mode
Reset by state machine.
Force DC-DC4 PWM mode
0 = Normal DC-DC operation
1 = Force DC-DC PWM mode
Reset by state machine.
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.
FLL bias control
Protected by security key.
Test register to control analogue poles with FLL
loop
Protected by security key.
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
REFER TO
REFER TO
REFER TO
WM8351
315