參數(shù)資料
型號： ADM1026
廠商： Analog Devices, Inc.
英文描述： Complete Thermal and System Management Controller
中文描述： 完整的熱和系統(tǒng)管理控制器
文件頁數(shù)： 34/56頁
文件大?。?/td> 634K
代理商： ADM1026
ADM1026
Starting Conversion
The monitoring function (analog inputs, temperature, and fan
speeds) in the ADM1026 is started by writing to Configuration
Register 1 and setting Start (Bit 0) high. The INT _Enable
(Bit 1) should be set to 1, and INT Clear (Bit 2) set to 0 to
enable interrupts. The THERM enable bit (Bit 4) should be set
to 1 to enable temperature interrupts at the THERM pin. Apart
from initially starting together, the analog measurements and
fan speed measurements proceed independently, and are not
synchronized in any way.
Reduced Power Mode
The ADM1026 can be placed in a low power mode by setting
Bit 0 of the configuration register to 0. This disables the internal
ADC.
Software Reset Function
As previously mentioned, the ADM1026 can be reset in
software by setting Bit 7 of Configuration Register 1 (Reg. 00h)
to 1. Configuration Register 1, 00h, should then be manually
cleared. Note that the software reset differs from a power-on
reset in that only some of the ADM1026 registers are reinitial-
ized to their power-on default values. The registers that are
initialized to their default values by the software reset are
Configuration Registers (Registers 01h to 0Bh)
Mask Registers 1 to 6, internal temperature offset, and
Status Registers 4, 5, and 6 (Registers 18h to 25h)
All value registers (Registers 1Fh, 20h to 3Fh)
External 1 and External 2 Offset Registers (6Eh, 6Fh)
Rev. A | Page 34 of 56
Note that the limit registers (0Dh to 12h, 40h to 6Dh) are not
reset by the software reset function. This can be useful if one
needs to reset the part but does not want to reprogram all
parameters again. Note that a power-on reset initializes all
registers on the ADM1026, including the limit registers.
Application Schematic
Figure 62 shows how the ADM1026 could be used in an
application that requires system management of a PC or server.
Several GPIOs are used to read the VID codes of the CPU. Up
to two CPU temperature measurements can be read back. All
power supply voltages are monitored in the system. Up to eight
fan speeds can be measured, irrespective of whether they are
controlled by the ADM1026 or hardwired to a system supply.
The V
REF
output includes the recommended filtering circuitry.
相關(guān)PDF資料
PDF描述
ADM1026JST-REEL Complete Thermal and System Management Controller
ADM1026JSTZ-REEL Complete Thermal and System Management Controller
ADM1026JST Circular Connector; No. of Contacts:28; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:19; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:19-28
ADM1030ARQ Intelligent Temperature Monitor and PWM Fan Controller
ADM1030 Circular Connector; No. of Contacts:66; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:19; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:19-35
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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