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MIC3003 数据表(PDF) 40 Page - Micrel Semiconductor |
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MIC3003 数据表(HTML) 40 Page - Micrel Semiconductor |
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40 / 75 page ![]() Micrel, Inc. MIC3003 November 2009 40 M9999-111209-C hbwhelp@micrel.com or (408) 955-1690 Detailed Register Descriptions Note: Serial bus addresses shown assume that the base device address is AOh. Alarm Threshold Registers Temperature High Alarm Threshold D[7] read/write D[6] read/write D[5] read/write D[4] read/write D[3] read/write D[2] read/write D[1] read/write D[0] read/write Default value for both bytes 0000 0000b = 00h (0 °C) Serial address A2h Byte addresses MS byte (TMAXh): 00 = 00h LS byte (TMAXl): 01 = 01h Each LS bit of TMAXh represents one degree Celsius. TMAXl is not used, since all limit comparisons for temperature use eight-bit values. The eight bits of the high alarm threshold value (TMAXh) are compared to the temperature result (TEMPh). ALARM0 bit 7 is set if Result > Threshold. Temperature Low Alarm Threshold D[7] read/write D[6] read/write D[5] read/write D[4] read/write D[3] read/write D[2] read/write D[1] read/write D[0] read/write Default value for both bytes 0000 0000b = 00h (0 °C) Serial address A2h Byte addresses MS byte (TMINh): 02 = 02h LS byte (TMINl): 03 = 03h Each LS bit of TMINh represents one degree Celsius. TMINl is not used, since all limit comparisons for temperature use eight- bit values.. The eight MS bits of the low alarm threshold value (TMINh) are compared to the temperature result (TEMPh). ALARM0 bit 6 is set if Result < Threshold. Voltage High Alarm Threshold D[7] read/write D[6] read/write D[5] read/write D[4] read/write D[3] read/write D[2] read/write D[1] read/write D[0] read/write Default value for both bytes 0000 0000b = 00h (0 V) Serial address A2h Byte addresses MS byte (VMAXh): 08 = 08h LS byte (VMAXl): 09 = 09h Each LS bit of VMAXh represents 25.6 mV and each LS bit of VMAXl represents 0.1 mV. The sixteen-bit threshold value (VMAXh:VMAXl) is compared to the sixteen bits value of the voltage result (VINh:VINl). ALARM0 bit 5 is set if Result > Threshold. |
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