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WM8321 датащи(PDF) 227 Page - Wolfson Microelectronics plc |
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WM8321 датащи(HTML) 227 Page - Wolfson Microelectronics plc |
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227 / 253 page ![]() Production Data WM8321 w PD, February 2012, Rev 4.0 227 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 100 = Enable in Timeslot 4 101 = Enable in Timeslot 5 110 = Controlled by Hardware Enable 1 111 = Controlled by Hardware Enable 2 4:0 DC1_ON_VSE L [6:2] 0_0000 DC-DC1 ON Voltage select DC1_ON_VSEL [6:0] selects the DC-DC1 output voltage from 0.6V to 1.8V in 12.5mV steps. DC1_ON_VSEL [6:2] controls the voltage in 50mV steps. DC1_ON_VSEL [6:0] is coded as follows: 00h to 08h = 0.6V 09h = 0.6125V … 48h = 1.4V (see note) … 67h = 1.7875V 68h to 7Fh = 1.8V Note - Maximum output voltage selection in 4MHz switching mode is 48h (1.4V). Register 7811h DC1 OTP Control REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R30738 (7812h) DC2 OTP Control 15:13 DC4_ON_SLO T [2:0] 000 DC-DC4 ON Slot select 000 = Do not enable 001 = Enable in Timeslot 1 010 = Enable in Timeslot 2 011 = Enable in Timeslot 3 100 = Enable in Timeslot 4 101 = Enable in Timeslot 5 110 = Controlled by Hardware Enable 1 111 = Controlled by Hardware Enable 2 12:8 DC4_ON_VSE L [6:2] 0_0000 DC-DC4 ON Voltage select DC4_ON_VSEL [6:0] selects the DC-DC3 output voltage from 0.85V to 3.4V in 25mV steps. DC4_ON_VSEL [6:2] controls the voltage in 100mV steps. DC4_ON_VSEL [6:0] is coded as follows: 00h = 0.85V 01h = 0.875V … 65h = 3.375V 66h to 7Fh = 3.4V 7:5 DC3_ON_SLO T [2:0] 000 DC-DC3 ON Slot select 000 = Do not enable 001 = Enable in Timeslot 1 010 = Enable in Timeslot 2 011 = Enable in Timeslot 3 100 = Enable in Timeslot 4 101 = Enable in Timeslot 5 |
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