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MIC3003 Datasheet(PDF) 43 Page - Micrel Semiconductor |
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MIC3003 Datasheet(HTML) 43 Page - Micrel Semiconductor |
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43 / 75 page  Micrel, Inc. MIC3003 November 2009 43 M9999-111209-C hbwhelp@micrel.com or (408) 955-1690 Warning Threshold Registers Temperature High Warning 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 Bytes addresses MS byte (THIGHh): 04 = 04h LS byte (THIGHl): 05 = 05h Each LS bit of THIGHh represents one degree Celsius. THIGHl is not used, since all limit comparisons for temperature use eight-bit values. The eight bits of the high warning threshold value (THIGHh) are compared to the temperature result (TEMPh). WARN0 bit 7 is set if Result > Threshold. Temperature Low Warning 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 Bytes addresses MS byte (TLOWh): 06 = 06h LS byte (TLOWl): 07 = 07h Each LS bit of TLOWh represents one degree Celsius. TLOWl is not used, since all limit comparisons for temperature use eight-bit values. The eight bits of the high warning threshold value (TLOWh) are compared to the temperature result (TEMPh). WARN0 bit 6 is set if Result < Threshold. Voltage High Warning 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 Bytes addresses MS byte (VHIGHh): 12 = 0Ch LS byte (VHIGHl): 13 = 0Dh Each LS bit of VHIGHh represents 25.6 mV and each LS bit of VHIGHl represents 0.1 mV. The sixteen-bit threshold value (VHIGHh:VHIGHl) is compared to the sixteen bits value of the voltage result (VINh:VINl). WARN0 bit 5 is set if Result > Threshold. Voltage Low Warning 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 (VLOWh): 14 = 0Eh LS byte (VLOWl): 15 = 0Fh Each LS bit of VLOWh represents 25.6 mV and each LS bit of VLOWl represents 0.1 mV. The sixteen-bit threshold value (VLOWh:VLOWl) is compared to the sixteen-bit value of the voltage result (VINh:VINl). WARN0 bit 4 is set if Result < Threshold. |
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