wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 118

• Manufacturer Part Number: wm8351
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

WM8351
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Table 64 Default Supply Voltages / Power-up Sequence for Configuration Mode 01
Note: In this Configuration Mode, LDO1 is enabled at all times. Therefore, the setting of
LDO1_ENSLOT has no effect.
Figure 66 Power-up Sequence - Configuration Mode 01
SUPPLY
DCDC1
DCDC2
DCDC3
DCDC4
LDO1
LDO2
LDO3
LDO4
LDO1_ENSLOT [3:0] = 0000
LDO2_ENSLOT [3:0] = 0011
LDO3_ENSLOT [3:0] = 0010
LDO4_ENSLOT [3:0] = 0010
DC1_VSEL [6:0] = 000_1110
DC3_VSEL [6:0] = 010_0110
DC4_VSEL [6:0] = 110_0010
DC1_ENSLOT [3:0] = 0011
DC2_ENSLOT [3:0] = 0000
DC3_ENSLOT [3:0] = 0001
DC4_ENSLOT [3:0] = 0010
LDO1_VSEL [4:0] = 0_0110
LDO2_VSEL [4:0] = 1_0000
LDO4_VSEL [4:0] = 0_1010
LDO3_VSEL [4:0] =1_1111
REGISTER SETTING
(See note below)
Second timeslot
Second timeslot
Second timeslot
DESCRIPTION
Third timeslot
Third timeslot
First timeslot
Disabled
1.2V
1.8V
3.3V
1.2V
1.8V
3.3V
1.4V
PD, June 2009, Rev 4.1
Production Data
118