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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8321 датащи(PDF) 198 Page - Wolfson Microelectronics plc |
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WM8321 датащи(HTML) 198 Page - Wolfson Microelectronics plc |
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198 / 253 page  WM8321 Production Data w PD, February 2012, Rev 4.0 198 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 12 DC4_PHASE 0 DC-DC4 Clock Phase Control 0 = Normal 1 = Inverted 7 DC4_FLT 0 DC-DC4 Output float 0 = DC-DC4 output discharged when disabled 1 = DC-DC4 output floating when disabled 5:4 DC4_SOFT_ST ART [1:0] 01 DC-DC4 Soft-Start Control (Duration in each of the 3 intermediate startup current limiting steps.) 00 = Immediate start-up 01 = 512us steps 10 = 4.096ms steps 11 = 32.768ms steps 3:2 DC4_STNBY_L IM [1:0] 01 DC-DC4 Current Limit Sets the maximum DC output current in Hysteretic Mode. 00 = 50mA 01 = 100mA 10 = 200mA 11 = 400mA Protected by security key. 1:0 DC4_CAP [1:0] 00 DC-DC4 Output Capacitor 00 = 10uF to 20uF 01 = 10uF to 20uF 10 = 22uF to 45uF 11 = 47uF to 100uF This field can only be written to by loading configuration settings from OTP/ICE. In all other cases, this field is Read Only. Register 4064h DC4 Control 1 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R16485 (4065h) DC4 Control 2 15:14 DC4_ERR_AC T [1:0] 00 DC-DC4 Error Action (Undervoltage) 00 = Ignore 01 = Shut down converter 10 = Shut down system (Device Reset) 11 = Reserved Note that an Interrupt is always raised. 12:11 DC4_HWC_SR C [1:0] 00 DC-DC4 Hardware Control Source 00 = Disabled 01 = Hardware Control 1 10 = Hardware Control 2 11 = Hardware Control 1 or 2 10 DC4_HWC_VS EL 0 DC-DC4 Hardware Control Voltage select 0 = Set by DC4_ON_VSEL 1 = Set by DC4_SLP_VSEL 9:8 DC4_HWC_M ODE [1:0] 11 DC-DC4 Hardware Control Operating Mode 00 = Forced Continuous Conduction Mode 01 = Disabled 10 = LDO Mode 11 = Hysteretic Mode |
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