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ADT7462ACPZ-R7 数据表(PDF) 4 Page - ON Semiconductor |
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ADT7462ACPZ-R7 数据表(HTML) 4 Page - ON Semiconductor |
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4 / 81 page  ADT7462 http://onsemi.com 4 Pin No. POR Default Description Mnemonic 22 TACH8/+12V3 TACH8: Digital Input (Open Drain). Fan tachometer input to measure speed of Fan 8. +12V3: Analog Input. Monitors 12 V Power Supply 3. TACH8 23 VCCP1/+1.5V/+1.8V/+2.5V VCCP1: Monitors 1.2 V analog input. +1.5V: Monitors 1.5 V analog input. +1.8V: Monitors 1.8 V analog input. +2.5V: Monitors 2.5 V analog input. +1.8V 24 VCCP2/+1.5V/+1.8V/+2.5V VCCP2: Monitors 1.2 V analog input. +1.5V: Monitors 1.5 V analog input. +1.8V: Monitors 1.8 V analog input. +2.5V: Monitors 2.5 V analog input. +2.5V 25 VR_HOT1/+1.2V1/+3.3V VR_HOT1: Digital Input Indicating Overtemperature Event on Voltage Regulator. +1.2V1: 0 V to 1.2 V Analog Input. For example, can be used to monitor GBIT. +3.3V: Analog Input. Monitors 3.3 V power supply. +3.3V 26 VR_HOT2/+1.2V2/VBATT VR_HOT2: Digital Input Indicating Overtemperature Event on Voltage Regulator. +1.2V2: 0 V to 1.2 V Analog Input. For example, can be used to monitor FSB_VTT. VBATT: Analog Input. Monitors battery voltage, nominally 3.0 V. VBATT 27 FAN2MAX/CI FAN2MAX: Sets fan to maximum speed when a fan fault condition occurs. Bidirectional open drain, active low I/O. CI: An active high input that captures a chassis intrusion event in Bit 7 of the digital status register. This bit remains set until cleared, as long as battery voltage is applied to the VBATT input, even when the ADT7462 is powered off. CI 28 THERM1/+1.5V1/GPIO7/VID6 THERM1: Can be reconfigured as a bidirectional THERM pin. Can be connected to the PROCHOT output of the Intel® Pentium® 4 processor to time and monitor PROCHOT assertions. Can be used as an output to signal overtemperature conditions or for clock modulation purposes. +1.5V1: 0 V to 1.5 V Analog Input. Can be used to monitor ICH. GPIO7: Open−Drain I/O. General−purpose input/output. VID6: Digital Input (Open Drain). Voltage supply readouts from CPU. This value is read in to the VID value register (0x97). THERM1 29 THERM2/+1.5V2/GPIO8 THERM2: Can be reconfigured as a bidirectional THERM pin. Can be connected to the PROCHOT output of the Intel Pentium 4 processor to time and monitor PROCHOT assertions. Can be used as an output to signal overtemperature conditions or for clock modulation purposes. +1.5V2: 0 V to 1.5 V Analog Input. Can be used to monitor 3GIO. GPIO8: Open−Drain I/O. General−purpose input/output. THERM2 30 PWM3 Digital Output (Open Drain). Requires 10 kW typical pullup. Pulse−width modulated output to control the speed of Fan 3. PWM3 31 VID4/GPIO5/PWM1 VID4: Digital Input (Open Drain). Voltage supply readouts from CPU. This value is read in to the VID value register (0x97). GPIO5: Open−Drain I/O. General−purpose input/output. PWM1: Digital Output (Open Drain). Requires 10 kW typical pullup. Pulse−width modulated output to control the speed of Fan 1. PWM1 32 VID5/GPIO6/PWM2 VID5: Digital Input (Open Drain). Voltage supply readouts from CPU. This value is read in to the VID value register (0x97). GPIO6: Open−Drain I/O. General−purpose input/output. PWM2: Digital Output (Open Drain). Requires 10 kW typical pullup. Pulse−width modulated output to control the speed of Fan 2. PWM2 |
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