W83L786NR Datasheet, PDF (7/50 Pages) Winbond – H/W Monitoring IC

W83L786NR/ W83L786NG
2. FEATURES
2.1 Monitoring Items
2.1.1
2.1.2
2.1.3
Temperature
„ Measure the temperature with high accuracy.
„ One thermal diode sensor (current mode) connected to CPU/GPU and one remote
sensor either by thermal diode (current mode) or thermistor.
„ Programmable hysteresis and setting points (alarm thresholds) for all monitored
items.
Voltage
„ 3 voltage sensor inputs.
--- Typically for Vcore, RAM, etc.
Fan
„ 3D/2D application being used and transferring fan set to the most appropriate fan
speed control.
„ Fan set: power on configuration for fan speed at four rotation rate levels at 43%, 62%,
81%, and 100% duty cycle.
„ Two DC/PWM fan output control.
„ SMART FAN^TM function compliant.
2.2 Actions Enabling
„ Total up to 2 sets of fan speed monitoring and controlling.
„ Issue FAN_FAULT#, VOLTAGE_FAULT#, TEMP_FAULT#, and INT# signals to
activate system protection.
„ Warning signal pop-up in application software.
2.3 General
„ Interface: I²C / SMBus control.
„ 1 bit I²C address selection.
„ Up to 7 GPIOs.
„ Winbond hardware monitoring application software (Hardware Doctor^TM) support
Windows 95 / 98 / 2000 / XP and Windows NT 4.0 / 5.0.
„ 3.3V V_CC operation.
2.4 Package
„ 20-pin SSOP (209mil).
-2-