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ADT7467ARQZ-R7 Datasheet(PDF) 39 Page - ON Semiconductor |
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ADT7467ARQZ-R7 Datasheet(HTML) 39 Page - ON Semiconductor |
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39 / 77 page  ADT7467 Rev. 3 | Page 39 of 77 | www.onsemi.com Recommended Implementation Configuring the ADT7467 as shown in Figure 54 provides the system designer with the following features: • Two PWM outputs for control of up to three fans. (The front and rear chassis fans are connected in parallel.) • Three TACH fan speed measurement inputs. • VCC measured internally through Pin 3. • CPU core voltage measurement (VCORE). • CPU temperature measured using the Remote 1 tempera- ture channel. • Ambient temperature measured through the Remote 2 temperature channel. • The bidirectional THERM pin allows monitoring PROCHOT output from, for example, an Intel Pentium 4 processor, or it can be used as an overtemperature THERM output. • SMBALERT system interrupt output. CPU FAN CPU FRONT CHASSIS FAN TACH2 ADT7467 PWM3 REAR CHASSIS FAN AMBIENT TEMPERATURE TACH3 D1+ D1– VCCP GND PWM1 TACH1 D2+ D2– THERM PROCHOT ICH SMBALERT SDA SCL Figure 54. Recommended Implementation |
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