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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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MIC3000 데이터시트(PDF) 33 Page - Micrel Semiconductor |
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MIC3000 데이터시트(HTML) 33 Page - Micrel Semiconductor |
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33 / 68 page  October 2004 33 M9999-101204 MIC3000 Micrel Detailed Register Descriptions Note: Serial bus addresses shown assume that I2CADR = Axh. Alarm Threshold Registers Temperature High Alarm Threshold MSB (TMAXh) D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] read/write read/write read/write read/write read/write read/write read/write read/write Default Value 0000 0000b = 00h (0°C) Serial Address A2h = 1010001b Byte Address 00 = 00h Each LSB represents one degree centigrade. This register is to be used in conjunction with TMAXl to yield a sixteen- bit temperature value. The value in this register is uncalibrated. The value in TMAXh is compared against TEMPh. Alarm bit Ax is set if TEMPh > TMAXh. Temperature High Alarm Threshold LSB (TMAXh) D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] read/write read/write read/write read/write read/write read/write read/write read/write Default Value 0000 0000b = 00h (0°C) Serial Address A2h = 1010001b Byte Address 01 = 01h This register is to be used in conjunction with TMAXh to yield a sixteen-bit temperature value. The value in TMAXh is compared against TEMPh. Alarm bit Ax is set if TMAXh > TEMPh. Since TEMPl is always zero, it is recommended that this register always be programmed to zero. This register is provided for compliance with SFF-8472. It is not used by the MIC3000 when doing threshold comparisons and setting alarm or warning bits. Temperature Low Alarm Threshold MSB (TMINh) D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] read/write read/write read/write read/write read/write read/write read/write read/write Default Value 0000 0000b = 00h (0°C) Serial Address A2h = 1010001b Byte Address 02 = 02h Each LSB represents one degree centigrade. This register is to be used in conjunction with TMINl to yield a sixteen-bit temperature value. The value in TMINh is compared against TEMPh. Alarm bit Ax is set if TEMPh < TMINh. Temperature Low Alarm Threshold LSB (TMINl) D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] read/write read/write read/write read/write read/write read/write read/write read/write Default Value 0000 0000b = 00h (0°C) Serial Address A2h = 1010001b Byte Address 03 = 03h This register is to be used in conjunction with TMINh to yield a sixteen-bit temperature value. The value in TMINh is compared against TEMPh. Alarm bit Ax is set if TEMPh < TMINh. Since TEMPl is always zero, it is recommended that this register always be programmed to zero. This register is provided for compliance with SFF-8472. It is not used by the MIC3000 when doing threshold comparisons and setting alarm or warning bits. |
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