wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 120

• Manufacturer Part Number: wm8350
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

WM8350
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Table 64 Default Supply Voltages / Power-up Sequence for Configuration Mode 01
Figure 66 Power-up Sequence - Configuration Mode 01
SUPPLY
DCDC1
DCDC2
DCDC3
DCDC4
DCDC5
DCDC6
LDO1
LDO2
LDO3
LDO4
DCDC1
DCDC2
DCDC3
DCDC4
DCDC5
DCDC6
LDO1
LDO2
LDO3
LDO4
The time delay between each time slot is approximately 1.28ms.
LDO1_ENSLOT [3:0] = 0011
LDO2_ENSLOT [3:0] = 0010
LDO3_ENSLOT [3:0] = 0001
LDO4_ENSLOT [3:0] = 0010
DC1_VSEL [6:0] = 000_0110
DC3_VSEL [6:0] = 010_0110
DC4_VSEL [6:0] = 101_0110
DC6_VSEL [6:0] = 000_1010
DC1_ENSLOT [3:0] = 0100
DC2_ENSLOT [3:0] = 0000
DC3_ENSLOT [3:0] = 0001
DC4_ENSLOT [3:0] = 0001
DC5_ENSLOT [3:0] = 0000
DC6_ENSLOT [3:0] = 0100
LDO1_VSEL [4:0] = 0_0010
LDO2_VSEL [4:0] = 1_1111
LDO4_VSEL [4:0] = 0_0100
LDO3_VSEL [4:0] =1_1100
Time
Slot1
REGISTER SETTING
Slot2
Time
Slot3
Time
Start
Up
Time
Slot4
Slot5
Time
Time
Slot6
Second timeslot
Second timeslot
DESCRIPTION
Fourth timeslot
Fourth timeslot
Third timeslot
First timeslot
First timeslot
First timeslot
Disabled
Disabled
Disabled at
Disabled at
1.0V
1.8V
3.0V
1.1V
1.0V
3.3V
3.0V
1.1V
start-up
start-up
PD, June 2009, Rev 4.1
Production Data
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