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EMC1103-1-AIZL-TR Datasheet(PDF) 1 Page - SMSC Corporation |
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EMC1103-1-AIZL-TR Datasheet(HTML) 1 Page - SMSC Corporation |
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1 / 3 page  SMSC EMC1103 PRODUCT PREVIEW Revision 2.7 (07-15-08) Data Brief PRODUCT FEATURES EMC1103 SST Compliant Hardware Monitor with Three Temperature Channels General Description The EMC1103 is a one-wire sensor that is capable of monitoring up to three temperature zones for an Intel PC platform containing an SST host. The three temperature zones consist of an internal temperature diode and two externally connected temperature diodes. In cooperation with a host device, thermal management and fan control can be performed. Communication takes place over a one-wire SST based interface. The internal 11-bit delta- sigma ADC architecture provides superb linearity, high accuracy, and excellent noise immunity. Applications Desktop PCs, Servers and Workstations Features Single Wire Interface (SST based) — SST 1.0 compliant — Fixed Address, Discoverable Device — Nine programmable addresses — Supports FCS Abort functionality not available in SST 0.9 compliant devices Resistance Error Correction Ideality Configuration Beta Compensation Two External Temperature Monitors — 0.125°C resolution — ±1°C Accuracy (50°C to 70°C) — Diode Fault Reporting — Second External Diode configured to read a discrete diode. Internal Temperature Monitor — Range -40°C to +125°C — 0.125°C resolution — ±2°C Accuracy (40°C to 70°C) Supply — 3.0V to 3.6V Simplified Block Diagram EMC1103 Internal Temp Diode Switching Current Configuration Register Status Register External 1 Temp Register Internal Temp Register 11-bit delta-sigma ADC Digital Mux and Byte Interlock DP1 DN1 DP2 DN2 External 2 Temp Register SST ADD1 ADD0 |
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