WM8352
Production Data
SUPPLY
REGISTER SETTING
DC1_ENSLOT [3:0] = 0001
DC1_VSEL [6:0] = 110_0010
DC2_ENSLOT [3:0] = 0000
DESCRIPTION
Timeslot 1
3.3V
DCDC1
DCDC2
DCDC3
DCDC4
DCDC5
DCDC6
LDO1
Disabled
DC3_ENSLOT [3:0] = 0010
DC3_VSEL [6:0] = 000_1110
DC4_ENSLOT [3:0] = 0011
DC4_VSEL [6:0] = 000_1110
DC5_ENSLOT [3:0] = 0000
Timeslot 2
1.2V
Timeslot 3
1.2V
Disabled
DC6_ENSLOT [3:0] = 0100
DC6_VSEL [6:0] = 010_0110
LDO1_ENSLOT [3:0] = 0000
LDO1_VSEL [4:0] = 0_0010
LDO2_ENSLOT [3:0] = 0000
LDO2_VSEL [4:0] = 1_1010
LDO3_ENSLOT [3:0] = 0000
LDO3_VSEL [4:0] =1_1111
LDO4_ENSLOT [3:0] = 0000
LDO4_VSEL [4:0] = 1_1111
Timeslot 4
1.8V
Disabled
1.0V
LDO2
Disabled
2.8V
LDO3
Disabled
3.3V
LDO4
Disabled
3.3V
Table 65 Default Supply Voltages / Power-up Sequence for Configuration Mode 01
Start
Up
Time
Slot1
Time
Slot2
Time
Slot3
Time
Slot4
Time
Slot5
Time
Slot6
The time delay between each time slot is approximately 1.28ms.
DCDC1
DCDC2
DCDC3
DCDC4
DCDC5
DCDC6
LDO1
Disabled at
start-up
Disabled at
start-up
Disabled at
start-up
Disabled at
start-up
LDO2
Disabled at
start-up
LDO3
Disabled at
start-up
LDO4
Figure 66 Power-up Sequence - Configuration Mode 01
PD, February 2011, Rev 4.4
118
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
