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ACT8941A Datasheet(PDF) 11 Page - Active-Semi, Inc |
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ACT8941A Datasheet(HTML) 11 Page - Active-Semi, Inc |
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11 / 42 page  ACT8941A Rev 0, 12-Mar-13 - 11 - www.active-semi.com ActivePMU TM and ActivePathTM are trademarks of Active-Semi. I2CTM is a trademark of NXP. Copyright © 2013 Active-Semi, Inc. Innovative PowerTM Active-Semi Proprietary―For Authorized Recipients and Customers REGISTER AND BIT DESCRIPTIONS CONT’D OUTPUT ADDRESS BIT NAME ACCESS DESCRIPTION REG2 0x30 [7:6] - R Reserved. REG2 0x30 [5:0] VSET1 R/W Primary Output Voltage Selection. Valid when VSEL is driven low. See the Output Voltage Programming section for more information. REG2 0x31 [7:6] - R Reserved. REG2 0x31 [5:0] VSET2 R/W Secondary Output Voltage Selection. Valid when VSEL is driven high. See the Output Voltage Programming section for more information. REG2 0x32 [7] ON R/W Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit to 0 to disable the regulator. REG2 0x32 [6] PHASE R/W Regulator Phase Control. Set bit to 1 for the regulator to operate 180° out of phase with the oscillator, clear bit to 0 for the regulator to operate in phase with the oscillator. REG2 0x32 [5] MODE R/W Regulator Mode Select. Set bit to 1 for fixed-frequency PWM under all load conditions, clear bit to 0 to transit to power- savings mode under light-load conditions. REG2 0x32 [4:2] DELAY R/W Regulator Turn-On Delay Control. See the REG1, REG2, REG3 Turn-on Delay section for more information. REG2 0x32 [1] nFLTMSK R/W Regulator Fault Mask Control. Set bit to 1 enable fault- interrupts, clear bit to 0 to disable fault-interrupts. REG2 0x32 [0] OK R Regulator Power-OK Status. Value is 1 when output voltage exceeds the power-OK threshold, value is 0 otherwise. REG3 0x40 [7:6] - R Reserved. REG3 0x40 [5:0] VSET1 R/W Primary Output Voltage Selection. Valid when VSEL is driven low. See the Output Voltage Programming section for more information. REG3 0x41 [7:6] - R Reserved. REG3 0x41 [5:0] VSET2 R/W Secondary Output Voltage Selection. Valid when VSEL is driven high. See the Output Voltage Programming section for more information. REG3 0x42 [7] ON R/W Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit to 0 to disable the regulator. REG3 0x42 [6] - R/W Reserved. REG3 0x42 [5] MODE R/W Regulator Mode Select. Set bit to 1 for fixed-frequency PWM under all load conditions, clear bit to 0 to transit to power- savings mode under light-load conditions. REG3 0x42 [4:2] DELAY R/W Regulator Turn-On Delay Control. See the REG1, REG2, REG3 Turn-on Delay section for more information. REG3 0x42 [1] nFLTMSK R/W Regulator Fault Mask Control. Set bit to 1 enable fault- interrupts, clear bit to 0 to disable fault-interrupts. REG3 0x42 [0] OK R Regulator Power-OK Status. Value is 1 when output voltage exceeds the power-OK threshold, value is 0 otherwise. |
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