wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 124

• Manufacturer Part Number: wm8352
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

WM8352
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Table 68 Default Supply Voltages / Power-up Sequence for Configuration Mode 11
Figure 68 Power-up Sequence - Configuration Mode 11
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] = 0100
LDO2_ENSLOT [3:0] = 0100
LDO3_ENSLOT [3:0] = 0100
LDO4_ENSLOT [3:0] = 0100
DC1_VSEL [6:0] = 000_0110
DC3_VSEL [6:0] = 101_0000
DC4_VSEL [6:0] = 000_1110
DC6_VSEL [6:0] = 010_1001
DC1_ENSLOT [3:0] = 0001
DC2_ENSLOT [3:0] = 0000
DC3_ENSLOT [3:0] = 0011
DC4_ENSLOT [3:0] = 0001
DC5_ENSLOT [3:0] = 0000
DC6_ENSLOT [3:0] = 0010
LDO1_VSEL [4:0] = 1_1101
LDO2_VSEL [4:0] = 1_0111
LDO3_VSEL [4:0] = 0_0110
LDO4_VSEL [4:0] = 1_0000
Time
Slot1
REGISTER SETTING
Time
Slot2
Time
Slot3
Start
Up
Time
Slot4
Time
Slot5
Slot6
Time
DESCRIPTION
Timeslot 1
Timeslot 3
Timeslot 1
Timeslot 2
Timeslot 4
Timeslot 4
Timeslot 4
Timeslot 4
Disabled
Disabled
1.875V
2.85V
Disabled at
Disabled at
1.0V
1.2V
3.1V
2.5V
1.2V
1.8V
start-up
start-up
PD, June 2009, Rev 4.1
Production Data
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