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WM8351 Datasheet(PDF) 306 Page - Wolfson Microelectronics plc |
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WM8351 Datasheet(HTML) 306 Page - Wolfson Microelectronics plc |
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306 / 330 page  WM8351 Production Data w PD, April 2012, Rev 4.5 306 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R210 (D2h) LDO4 Timeouts 15:14 LDO4_ERRACT[1:0] 00 Action to take on LDO4 fault (as well as generating an interrupt): 00 = ignore 01 = shut down regulator 10 = shut down system 11 = reserved (shut down system) Reset by state machine. Default held in metal mask. 13:10 LDO4_ENSLOT[3:0] 0000 0010 0000 0100 Time slot for LDO4 start-up 0000 = Disabled (do not start up) 0001 = Start-up in time slot 1 … (total 14 slots available) 1110 = Start-up in time slot 14 1111 = Start up on entering ACTIVE Reset by state machine. Default held in metal mask. 9:6 LDO4_SDSLOT[3:0] 0000 Time slot for LDO4 shutdown. 0000 = Shut down on entering OFF 0001 = Shutdown in time slot 1 …. (total 14 slots available) 1110 = Shutdown in time slot 14 1111 = Shut down on entering OFF Register D2h LDO4 Timeouts REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R211 (D3h) LDO4 Low Power 13:12 LDO4_HIB_MODE[1:0] 00 LDO4 Hibernate behaviour: 00 = Select voltage image settings 01 = disable output 10 = reserved 11 = reserved Reset by state machine. Default held in metal mask. 9:8 LDO4_HIB_TRIG[1:0] 00 LDO4 Hibernate signal select 00 = Hibernate register bit 01 = L_PWR1 10 = L_PWR2 11 = L_PWR3 Reset by state machine. Default held in metal mask. 4:0 LDO4_VIMG[4:0] 1_1100 LDO4 Regulator output image voltage 1 1111 = 3.3V … (100mV steps) 1 0000 = 1.8V 0 1111 = 1.65V … (50mV steps) 0 0000 = 0.9V Register D3h LDO4 Low Power |
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