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AMC6821 Datasheet(PDF) 43 Page - Texas Instruments

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Part # AMC6821
Description  Intelligent Temperature Monitor and PWM Fan Controller
PDF  54 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AMC6821 Datasheet(HTML) 43 Page - Texas Instruments

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AMC6821
SBAS386C – MAY 2006 – REVISED JULY 2007
Remote TEMP-FAN Control Register (Address 0x25, Value After Power-On or Reset = 0x61)
BIT
NAME
DEFAULT
DESCRIPTION
7
R-TEMP4
0
Low Temperature Bit of Remote Sensor
6
R-TEMP3
1
R-TEMP4
R-TEMP3
R-TEMP2
R-TEMP1
R-TEMP0
Low Temp
5
R-TEMP2
1
0
0
0
0
0
0
°C
4
R-TEMP1
0
0
0
0
0
1
4
°C
3
R-TEMP0
0
0
0
0
1
0
8
°C
0
0
0
1
1
12
°C
...
...
...
...
...
...
0
1
1
0
0
48
°C (Default)
...
...
...
...
...
...
1
1
1
1
0
120
°C
1
1
1
1
1
124
°C
2
R-SLP2
0
Slope Bits of Remote Sensor
1
R-SLP1
0
Slope
Temp Range in
°C
0
R-SLP0
1
R-SLP2
R-SLP1
R-SLP0
LSB/
°C
%/
°C
(DCY 33.3% to 100%)
0
0
0
32
12.55
5.31
0
0
1
16
6.27
10.62 (default)
0
1
0
8
3.14
21.25
0
1
1
4
1.57
42.5
1
0
0
2
0.78
85
This register specifies the parameters of the Remote Temperature-Fan Control mode.
Low Temperature Bits: [R-TEMP 4:R-TEMP0]
These bits specify the low temperature of the auto remote temperature-fan control. In this control mode, the duty
cycle is equal to the value of the DCY-LOW-TEMP register when the remote temperature is less than or equal to
the value defined by bits [R-TEMP4:R-TEMP0].
Slope Bits: [R-SLP2:R-SLP0]
These bits define the increment of the duty cycle when the remote temperature rises every 1
°C in the auto
remote temperature-fan control.
Copyright © 2006–2007, Texas Instruments Incorporated
Submit Documentation Feedback
43
Product Folder Link(s): AMC6821



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