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WM8310 Datasheet(PDF) 234 Page - Wolfson Microelectronics plc |
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WM8310 Datasheet(HTML) 234 Page - Wolfson Microelectronics plc |
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234 / 291 page  WM8310 Pre-Production w PP, May 2012, Rev 3.1 234 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R16490 (406Ah) LDO1 SLEEP Control 15:13 LDO1_SLP_SL OT [2:0] 000 LDO1 SLEEP Slot select 000 = SLEEP voltage / operating mode transition in Timeslot 5 001 = Disable in Timeslot 5 010 = Disable in Timeslot 4 011 = Disable in Timeslot 3 100 = Disable in Timeslot 2 101 = Disable in Timeslot 1 110 = SLEEP voltage / operating mode transition in Timeslot 3 111 = SLEEP voltage / operating mode transition in Timeslot 1 If LDO1 is assigned to a Hardware Enable Input, then codes 001-101 select in which timeslot the regulator enters its SLEEP condition. 8 LDO1_SLP_M ODE 1 LDO1 SLEEP Operating Mode 0 = Normal mode 1 = Low Power mode 4:0 LDO1_SLP_VS EL [4:0] 0_0000 LDO1 SLEEP Voltage select 0.9V to 1.6V in 50mV steps 1.7V to 3.3V in 100mV steps 00h = 0.90V 01h = 0.95V … 0Eh = 1.60V 0Fh = 1.70V … 1Eh = 3.20V 1Fh = 3.30V Register 406Ah LDO1 SLEEP Control REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R16491 (406Bh) LDO2 Control 15:14 LDO2_ERR_A CT [1:0] 00 LDO2 Error Action (Undervoltage) 00 = Ignore 01 = Shut down regulator 10 = Shut down system (Device Reset) 11 = Reserved Note that an Interrupt is always raised. 12:11 LDO2_HWC_S RC [1:0] 00 LDO2 Hardware Control Source 00 = Disabled 01 = Hardware Control 1 10 = Hardware Control 2 11 = Hardware Control 1 or 2 10 LDO2_HWC_V SEL 0 LDO2 Hardware Control Voltage select 0 = Set by LDO2_ON_VSEL 1 = Set by LDO2_SLP_VSEL 9:8 LDO2_HWC_M ODE [1:0] 10 LDO2 Hardware Control Operating Mode 00 = Low Power mode 01 = Turn converter off 10 = Low Power mode |
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