wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 123

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

Production Data
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Table 66 Default Supply Voltages / Power-up Sequence for Configuration Mode 10
Figure 67 Power-up Sequence - Configuration Mode 10
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] = 0000
LDO2_ENSLOT [3:0] = 0010
LDO3_ENSLOT [3:0] = 0000
LDO4_ENSLOT [3:0] = 0000
DC1_VSEL [6:0] = 001_0010
DC3_VSEL [6:0] = 010_1110
DC4_VSEL [6:0] = 000_1110
DC6_VSEL [6:0] = 010_0110
DC1_ENSLOT [3:0] = 0001
DC2_ENSLOT [3:0] = 0000
DC3_ENSLOT [3:0] = 0000
DC4_ENSLOT [3:0] = 0000
DC5_ENSLOT [3:0] = 0000
DC6_ENSLOT [3:0] = 0011
LDO1_VSEL [4:0] = 1_1100
LDO2_VSEL [4:0] = 1_0000
LDO3_VSEL [4:0] = 1_0101
LDO4_VSEL [4:0] = 1_1010
Time
Slot1
REGISTER SETTING
Time
Slot2
Time
Slot3
Start
Up
Time
Slot4
Time
Slot5
Slot6
Time
Second timeslot
DESCRIPTION
Third timeslot
First timeslot
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled at
Disabled at
Disabled at
Disabled at
Disabled at
Disabled at
Disabled at
1.3V
2.0V
1.2V
1.8V
3.0V
1.8V
2.3V
2.8V
start-up
start-up
start-up
start-up
start-up
start-up
start-up
PD, June 2009, Rev 4.1
WM8350
123