ADT7467 Analog Devices, Inc., ADT7467 Datasheet - Page 49

• Manufacturer Part Number: ADT7467
• Description: Dbcool Remote Thermal Monitor And Fan Controller
• Manufacturer: Analog Devices, Inc.

Enhance Acoustics Register 1 (Reg. 0x62)
Bit 7 (MIN3) = 0, PWM3 is off (0% PWM duty cycle) when the
temperature is below T
Bit 7 (MIN3) = 1, PWM3 runs at PWM3 minimum duty cycle
below T
Bit 6 (MIN2) = 0, PWM2 is off (0% PWM duty cycle) when the
temperature is below T
MIN
− T
HYST
.
MIN
MIN
AMBIENT TEMP
− T
− T
REMOTE 2 =
REMOTE 1 =
CPU TEMP
VRM TEMP
LOCAL =
100%
HYST
HYST
0%
.
.
Figure 68. The T
THERMAL CALIBRATION
THERMAL CALIBRATION
THERMAL CALIBRATION
T
T
T
T
MIN
MIN
MIN
MIN
T
RANGE
T
T
T
HYST
RANGE
RANGE
RANGE
Value Applies to Fan On/Off Hysteresis and THERM Hysteresis
T
100%
100%
100%
THERM
0%
0%
0%
MUX
Rev. A| Page 49 of 80
PWM
PWM
PWM
MIN
MIN
MIN
Bit 6 (MIN2) = 1, PWM2 runs at PWM2 minimum duty cycle
below T
Bit 5 (MIN1) = 0, PWM1 is off (0% PWM duty cycle) when the
temperature is below T
Bit 5 (MIN1) = 1, PWM1 runs at PWM1 minimum duty cycle
below T
ENHANCEMENT)
ENHANCEMENT)
ENHANCEMENT)
TACHOMETER 1
MEASUREMENT
TACHOMETER 2
MEASUREMENT
TACHOMETER 3
MEASUREMENT
(ACOUSTIC
(ACOUSTIC
(ACOUSTIC
CONTROL
CONTROL
CONTROL
RAMP
RAMP
RAMP
AND 4
MIN
MIN
− T
− T
HYST
HYST
GENERATOR
GENERATOR
GENERATOR
CONFIG
CONFIG
CONFIG
PWM
PWM
PWM
PWM
PWM
PWM
.
.
MIN
− T
PWM1
TACH1
PWM2
TACH2
PWM3
TACH3
HYST
FRONT CHASSIS
REAR CHASSIS
CPU FAN SINK
.
ADT7467