wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 118

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

WM8352
w
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] = 0000
LDO2_ENSLOT [3:0] = 0000
LDO3_ENSLOT [3:0] = 0000
LDO4_ENSLOT [3:0] = 0000
DC1_VSEL [6:0] = 110_0010
DC3_VSEL [6:0] = 000_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] = 0010
DC4_ENSLOT [3:0] = 0011
DC5_ENSLOT [3:0] = 0000
DC6_ENSLOT [3:0] = 0100
LDO1_VSEL [4:0] = 0_0010
LDO2_VSEL [4:0] = 1_1010
LDO4_VSEL [4:0] = 1_1111
LDO3_VSEL [4:0] =1_1111
Time
Slot1
REGISTER SETTING
Time
Slot2
Time
Slot3
Start
Up
Time
Slot4
Slot5
Time
Time
Slot6
DESCRIPTION
Timeslot 1
Timeslot 2
Timeslot 3
Timeslot 4
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled at
Disabled at
Disabled at
Disabled at
Disabled at
Disabled at
3.3V
1.2V
1.2V
1.8V
1.0V
2.8V
3.3V
3.3V
start-up
start-up
start-up
start-up
start-up
start-up
PD, June 2009, Rev 4.1
Production Data
118