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ADM1031ARQZ-R7 Datasheet(PDF) 26 Page - ON Semiconductor

No. de pieza ADM1031ARQZ-R7
Descripción Electrónicos  Intelligent Temperature Monitor and Dual PWM Fan Controller
PDF  30 Pages
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Fabricante Electrónico  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

ADM1031ARQZ-R7 Datasheet(HTML) 26 Page - ON Semiconductor

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Table 18. Register 0y06 Extended Temperature Resolution Power−On Default = 00H
Bit
Name
R/W
Description
<2:0>
Remote Temp 1
R
Holds extended temperature resolution bits for Remote 1 channel.
<5:3>
Remote Temp 2
R
Holds extended temperature resolution bits for Remote 2 channel.
<7:6>
Local Temp
R
Holds extended temperature resolution bits for local temperature channel.
Table 19. Register 0y20 Fan Characteristics Register 1 Power−On Default = 5DH
Bit
Name
R/W
Description
<2:0>
Fan 1 Spin−Up
R/W
These bits contain the fan spin−up time to allow Fan 1 to overcome its own inertia.
000 = 200 ms
001 = 400 ms
010 = 600 ms
011 = 800 ms
100 = 1 sec
101 = 2 sec (Default)
110 = 4 sec
111 = 8 sec
<5:3>
PWM 1 Frequency
R/W
These bits allow programmability of the nominal PWM 1 output frequency driving Fan 1.
(Default = 31 Hz.)
000 = 11.7 Hz
001 = 15.6 Hz
010 = 23.4 Hz
011 = 31.25 Hz (Default)
100 = 37.5 Hz
101 = 46.9 Hz
110 = 62.5 Hz
111 = 93.5 Hz
<7:6>
Speed Range, N
R/W
Speed range
00 = 1
01 = 2
10 = 4
11 = 8
Table 20. Register 0y21 Fan Characteristics Register 2 Power−On Default = 5H
Bit
Name
R/W
Description
<2:0>
Fan 2 Spin−Up
R/W
These bits contain the fan spin−up time to allow Fan 2 to overcome its own inertia.
000 = 200 ms
001 = 400 ms
010 = 600 ms
011 = 800 ms
100 = 1 sec
101 = 2 sec (Default)
110 = 4 sec
111 = 8 sec
<5:3>
PWM 2 Frequency
R/W
These bits allow programmability of the nominal PWM 2 output frequency driving Fan 1.
(Default = 31 Hz.)
000 = 11.7 Hz
001 = 15.6 Hz
010 = 23.4 Hz
011 = 31.25 Hz (Default)
100 = 37.5 Hz
101 = 46.9 Hz
110 = 62.5 Hz
111 = 93.5 Hz
<7:6>
Speed Range, N
R/W
Speed range
00 = 1
01 = 2
10 = 4
11 = 8



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