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MIC3003GML 数据表(PDF) 64 Page - Micrel Semiconductor |
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MIC3003GML 数据表(HTML) 64 Page - Micrel Semiconductor |
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64 / 75 page ![]() Micrel, Inc. MIC3003 November 2009 64 M9999-111209-C hbwhelp@micrel.com or (408) 955-1690 OEM Calibration 1 (OEMCAL1) D[7] reserved read-only D[6] ADSTP read/write D[5] ADIDL read-only D[4] ONESHOT read/write D[3] ADSPIN read/write D[2] SPIN[2] read/write D[1] SPIN[1] read/write D[0] SPIN[0] read/write Default value 0000 0000b = 00h Serial address A6h Byte address 17 = 11h A valid OEM password is required for access to this register. This register is volatile and will not keep its value through power cycles. Bit Function Operation D[7] Reserved Always write as zero; reads undefined. D[6] ADSTP Stop ADC: Halts the analog to digital converter 0 = ADC in normal operation 1 = ADC stopped When ADSTP is set, the five-channel ADC halts and no new ADC results are computed. Existing result registers are not changed. In addition, no new temperature compensation is applied to the APC loop and fault parameters, and no comparisons of the ADC results against the alarm and warning limits is performed. D[5] ADIDL ADC idle flag 0 = ADC is busy 1 = ADC is idle ADIDL may be used in conjunction with ONESHOT to determine when the single ADC conversion is complete. After ONESHOT is set, the ADC runs until completion and then halts. Software may poll ADIDL to detect this completion before interrofating the result. D[4] ONESHOT Triggers one-shot A/D conversion cycle 0 = Normal ADC operation 1 = ADC one-shot mode Setting ONESHOT high starts the ADC and causes it to stop after the next conversion is complete. After the conversion, the ADC remains stopped until ONESHOT is set low. Multiple single ADC conversions may be executed by repeatedly writing one to ONESHOT. D[3] ADSPIN Selects ADC spin-on-channel mode; do not enable ADC and FC spin-on-channel modes simultaneously 0 = Normal ADC operation 1 = ADC spin-on-channel D[2:0] SPIN[2:0] ADC and Fault Comparator (FC) channel select for spin-on-channel mode; do not enable ADC and FC spin-on-channel modes simultaneously ADC: 000 = temperature 001 = voltage 010 = VILD 011 = VMPD 100 = VRX |
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