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ADM1024ARU Folha de dados(PDF) 1 Page - Analog Devices |
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ADM1024ARU Folha de dados(HTML) 1 Page - Analog Devices |
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1 / 28 page  REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a ADM1024 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2000 System Hardware Monitor with Remote Diode Thermal Sensing FUNCTIONAL BLOCK DIAGRAM ADDRESS POINTER REGISTER TEMPERATURE CONFIGURATION REGISTER 10-BIT ADC NTEST OUT/ADD SDA SCL 2.5V BANDGAP REFERENCE INPUT ATTENUATORS AND ANALOG MULTIPLEXER BANDGAP TEMPERATURE SENSOR VID0–3 AND FAN DIVISOR REGISTER VID4 AND DEVICE ID REGISTER 100k PULLUPS VCC VCC +5VIN D1+ D1– GND ADM1024 FAN SPEED COUNTER +12VIN CONFIGURATION REGISTERS INTERRUPT STATUS REGISTERS VALUE AND LIMIT REGISTERS LIMIT COMPARATORS SERIAL BUS INTERFACE CHANNEL MODE REGISTER CHASSIS INTRUSION CLEAR REGISTER INT MASK REGISTERS INTERRUPT MASKING ANALOG OUTPUT REGISTER AND 8-BIT DAC VCC VCC CI THERM INT NTEST IN/AOUT RESET VID0/IRQ0 VID1/IRQ1 VID2/IRQ2 VID3/IRQ3 VID4/IRQ4 +VCCP1 +2.5VIN/D2+ FAN1/AIN1 VCCP2/D2– FAN2/AIN2 POWER TO CHIP 100k VCC 100k 100k FEATURES Up to Nine Measurement Channels Inputs Programmable-to-Measure Analog Voltage, Fan Speed or External Temperature External Temperature Measurement with Remote Diode (Two Channels) On-Chip Temperature Sensor Five Digital Inputs for VID Bits LDCM Support System Management Bus (SMBus) Chassis Intrusion Detect Interrupt and Over Temperature Outputs Programmable RESET Input Pin Shutdown Mode to Minimize Power Consumption Limit Comparison of all Monitored Values PRODUCT DESCRIPTION The ADM1024 is a complete system hardware monitor for microprocessor-based systems, providing measurement and limit comparison of various system parameters. Eight measurement inputs are provided, of which three are dedicated to monitoring 5 V and 12 V power supplies and the processor core voltage. The ADM1024 can monitor a fourth power-supply voltage by measuring its own VCC. One input (two pins) is dedicated to a remote temperature-sensing diode. Two further pins can be (continued on page 7) APPLICATIONS Network Servers and Personal Computers Microprocessor-Based Office Equipment Test Equipment and Measuring Instruments |
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