参数资料
型号: ADM1030ARQZ
厂商: ANALOG DEVICES INC
元件分类: 温度/湿度传感器
英文描述: DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT
封装: MO-137AB, QSOP-16
文件页数: 17/28页
文件大小: 495K
代理商: ADM1030ARQZ
REV. A
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.)
1
INT Enable
Read/Write
Setting this bit to a “1” enables the
INT output. 1 = Enabled 0 = Disabled (Power-Up
Default = 0).
2
TACH/AIN
Read/Write
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.)
3
PWM Invert
Read/Write
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).
4Fan Fault Enable
Read/Write
Logic 1 enables
FAN_FAULT pin; Logic 0 disables FAN_FAULT output. (Power-Up
Default = 1.)
6–5
PWM Mode
Read/Write
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.)
7Auto/SW Ctrl
Read/Write
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.
Table XV. Register 0x01 Configuration 2 Power-On Default = 7FH
Bit
Name
R/
W
Description
0
PWM 1 En
Read/Write
Enables fan PWM output when this bit is a “1.”
1
Unused
Read/Write
Unused.
2
TACH 1 En
Read/Write
Enables Tach input when set to “1.”
3
Unused
4Loc Temp En
Read/Write
Enables Interrupts on Local Channel when set to “1.”
5Remote Temp En
Read/Write
Enables Interrupts on Remote Channel when set to “1.” Default is normally
enabled, except when a diode fault is detected on power-up.
6
Unused
Read/Write
Unused.
7SW Reset
Read/Write
When set to “1,” resets the device. Self-clears. Power-Up Default = 0.
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