參數(shù)資料
型號: ADM1030ARQ
廠商: ANALOG DEVICES INC
元件分類: 溫度/濕度傳感器
英文描述: Intelligent Temperature Monitor and PWM Fan Controller
中文描述: DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT
封裝: MO-137AB, QSOP-16
文件頁數(shù): 24/28頁
文件大小: 278K
代理商: ADM1030ARQ
REV. 0
ADM1030
–24–
Table XIV. Register 0x00 Configuration Register 1 Power-On Default 90h
Bit
Name
R/
W
Description
0
MONITOR
Read/Write
Setting this bit to a “1” enables monitoring of temperature and enables measurement of
the fan tach signals. (Power-Up Default = 0.)
Setting this bit to a “1” enables the
INT
output. 1 = Enabled 0 = Disabled (Power-Up
Default = 0).
Clearing this bit to “0” selects digital fan speed measurement via the TACH pins. Setting
this bit to “1” configures the TACH pins as analog inputs that can measure the speed of
2-wire fans via a sense resistor. (Power-Up Default = 0.)
Setting this bit to “1” inverts the PWM signal on the output pin. (Power-Up Default =
0). The power-up default makes the PWM_OUT pin go low for 100% duty cycle (suitable
for driving the fan using a PMOS device). Setting this bit to “1” makes the PWM_OUT
pin high for 100% duty cycle (intended for driving the fan using an NMOS device).
Logic 1 enables
FAN_FAULT
pin; Logic 0 disables
FAN_FAULT
output. (Power-Up
Default = 1.)
These two bits control the behavior of the fan in Auto Fan Speed Control Mode.
00 = Remote Temp controls Fan. (Program PWM duty cycle in Software Mode.)
11 = Fastest Calculated Speed Controls Fan. (Program RPM speed in Software Mode.)
Logic 1 selects Automatic Fan Speed Control; Logic 0 selects SW control. (Power-Up
Default = 1) When under software control, PWM duty cycle or RPM values may be
programmed for the fan.
1
INT
Enable
Read/Write
2
TACH/AIN
Read/Write
3
PWM Invert
Read/Write
4
Fan Fault Enable
Read/Write
6–5
PWM Mode
Read/Write
7
Auto/SW Ctrl
Read/Write
Table XV. Register 0x01 Configuration 2 Power-On Default = 7FH
Bit
Name
R/
W
Description
0
1
2
3
4
5
PWM 1 En
Unused
TACH 1 En
Unused
Loc Temp En
Remote Temp En
Read/Write
Read/Write
Read/Write
Enables fan PWM output when this bit is a “1.”
Unused.
Enables Tach input when set to “1.”
Read/Write
Read/Write
Enables Interrupts on Local Channel when set to “1.”
Enables Interrupts on Remote Channel when set to “1.” Default is normally
enabled, except when a diode fault is detected on power-up.
Unused.
When set to “1,” resets the device. Self-clears. Power-Up Default = 0.
6
7
Unused
SW Reset
Read/Write
Read/Write
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