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WM8352 Datasheet(PDF) 294 Page - Wolfson Microelectronics plc |
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WM8352 Datasheet(HTML) 294 Page - Wolfson Microelectronics plc |
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294 / 336 page  WM8352 Production Data w PD, February 2011, Rev 4.4 294 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO mask. Register B3h Power-check comparator REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R180 (B4h) DCDC1 Control 15:14 DC1_CAP[1:0] 00 DC-DC1 Output Capacitor 00 = 10uF, 30uF, 45uF 01 = 60uF, 85uF 10 = Not used 11 = 100uF Reset by state machine. 11 DC1_DISOVP 0 Over voltage Protection 0 = enabled 1 = disabled Reset by state machine. Default held in metal mask. 10 DC1_OPFLT 0 Enable discharge of DC-DC1 outputs when DC-DC1 is disabled 0 = Enabled - Output to be discharged 1 = Disabled - Output is left floating 6:0 DC1_VSEL[6:0] 000_1110 110_0010 000_1110 000_0110 DC-DC1 Converter output voltage settings in 25mV steps. Maximum output = 3.4V. 110 0110 = 3.4V 110 0010 = 3.3V 101 0110 = 3.0V 100 1110 = 2.8V …… 010 0110 = 1.8V 000 1110 = 1.2V 000 0110 = 1.0V 000 0000 = 0.85V Reset by state machine. Default held in metal mask. Register B4h DCDC1 Control REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R181 (B5h) DCDC1 Timeouts 15:14 DC1_ERRACT[1:0] 00 Action to take on DC-DC1 fault (as well as generating an interrupt): 00 = ignore 01 = shut down converter 10 = shut down system 11 = reserved (shut down system) Reset by state machine. Default held in metal mask. 13:10 DC1_ENSLOT[3:0] 0000 0001 0010 0001 Time slot for DC-DC1 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 DC1_SDSLOT[3:0] 0000 Time slot for DC-DC1 shutdown. 0000 = Shut down on entering OFF |
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