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MIC3003GML 数据表(PDF) 46 Page - Micrel Semiconductor |
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MIC3003GML 数据表(HTML) 46 Page - Micrel Semiconductor |
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46 / 75 page  Micrel, Inc. MIC3003 November 2009 46 M9999-111209-C hbwhelp@micrel.com or (408) 955-1690 ADC Result Registers Temperature Result D[7] read-only D[6] read-only D[5] read-only D[4] read-only D[3] read-only D[2] read-only D[1] read-only D[0] read-only Serial address A2h Byte addresses MS byte (TEMPh): 96 = 60h LS byte (TEMPl): 97 = 61h Each LS bit of TEMPh represents one degree Celsius. The TEMPh register is to be used in conjunction with the most significant bit of TEMPl to yield an eight-bit or nine-bit signed (two’s complement) temperature value. If OEMCFG6 bit 1 is set to zero, temperature is read to 1 °C resolution in TEMPh only, and TEMPl is zero. If OEMCFG6 bit 1 is set to one, then temperature is read to 0.5 °C resolution as a nine-bit value consisting of TEMPh and the MS bit of TEMPl. The lower seven bits of TEMPl are zero. TEMPh will contain measured temperature data after the completion of one conversion. Voltage D[7] read-only D[6] read-only D[5] read-only D[4] read-only D[3] read-only D[2] read-only D[1] read-only D[0] read-only Default Value 0000 0000b = 00h (0V)(2) Serial address A2h Byte addresses MS byte (VINh): 98 = 62h LS byte (VINl): 99 = 63h Each LSB of VINh represents 25.6 mV, and each LS bit of VINl represents 0.1 mV. VINh is used in conjunction with VINl to yield an unsigned sixteen-bit value. In external calibration mode, the host should process the results using the appropriate slope and offset coefficients. VINh contains the eight-bit ADC result and VINl is zero. In internal calibration mode, the MIC3003’s ALU applies the coefficients stored in (VSLPh:VSLPl) and (VOFFh:VOFFl). The VIN registers will contain valid data after one ADC conversion cycle. Notes: 1. TEMPh will contain measured temperature data after the completion of one conversion. 2. VINh will contain measured data after one A/D conversion cycle. |
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