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LM87 Datasheet(PDF) 35 Page - Texas Instruments |
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LM87 Datasheet(HTML) 35 Page - Texas Instruments |
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35 / 45 page  LM87 www.ti.com SNAS034J – APRIL 2000 – REVISED MARCH 2013 Value RAM—Address 19h–3Fh Address A6–A0 Description 19h DAC data register; power on default <7:0>=1111 1111 binary 1Ah AIN1 Low Limit 1Bh AIN2 Low Limit 20h +2.5V/External Temperature 2 reading 21h Vccp1 reading 22h +Vcc reading 23h +5V reading 24h +12V reading 25h Vccp2 reading 26h External Temperature 1 reading 27h Internal Temperature reading 28h FAN1/AIN1 reading Note: For the FAN reading, this location stores the number of counts of the internal clock per revolution. 29h FAN2/AIN2 reading Note: For the FAN reading, this location stores the number of counts of the internal clock per revolution. 2Ah Reserved 2Bh +2.5V High Limit/External Temperature 2 High Limit 2Ch +2.5V Low Limit/External Temperature 2 Low Limit 2Dh Vccp1 High Limit 2Eh Vccp1 Low Limit 2Fh +3.3V High Limit 30h +3.3V Low Limit 31h +5V High Limit 32h +5V Low Limit 33h +12V High Limit 34h +12V Low Limit 35h Vccp2 High Limit 36h Vccp2 Low Limit 37h External Temperature 1 High Limit 38h External Temperature 1 Low Limit 39h Internal Temperature High Limit 3Ah Internal Temperature Low Limit FAN1Count Limit/AIN1 High Limit 3Bh Note: It is the number of counts of the internal clock for the Low Limit of the fan speed. FAN2 Fan Count Limit/AIN2 High Limit 3Ch Note: It is the number of counts of the internal clock for the Low Limit of the fan speed. 3Dh Reserved 3Eh Company Identification. The number in this register identifies Texas Instruments LM87 (0000 0010) 3Fh Stepping Register LM87 revision number 06h(0000 0110) Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback 35 Product Folder Links: LM87 |
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