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Functional Description
COMX-P4080-2G-ENP2 Installation and Use (6806800P63B)
51
4.18.1 I2C Device Thermal Sensor
The ADT7411 thermal sensor is a dual-channel digital thermometer and under/over
temperature alarm. It is used in computers and thermal management systems. The ADT7411
thermal sensor is located on I2C1, U2900. The device address is 0x90. It is designed for
monitoring P4080 processor temperature.
The ADT7411 can accurately measure the temperature of a remote thermal diode to ±1
o
C and
the ambient temperature to ±3
o
C. The temperature measurement range defaults to 0
o
C to
+127
o
C, but can be switched to a wider measurement range of-55
o
C to +150
o
C. The ADT7411
communicates over a 2-wire serial interface compatible with system management bus (SMBus)
standards. An ALERT output signals when on-chip or remote temperature is out of range.The
THERM output is a comparator output that allows on/off control of a cooling fan. The ALERT
output can be reconfigured as a second THERM output, if required.
By default, u-boot should mask THERM and ALERT output, set the temperature measurement
range from 0
o
C to +127
o
C. For setting operation mode and fetching the monitoring
temperature, u-boot should provide u-boot commands.
0xD0
I2C1
M41T65Q6F
Watchdog
5106837C56
0x30
I2C1
PCA9557PW-T
IO-Expander
51NL9637V06
0xAC
I2C1
MCP98243T-BE/ST
SPD Channel A
5106819C29
0xA4
I2C1
MCP98243T-BE/ST
SPD Channel B
5106819C29
0x90
I2C1
ADT7411ARQZREEL7
Voltage Monitor/Temp
Sense
227975
0xAE
I2C1
AT24C02-SSHM-T
AT24C512CSSHM-T
2kb Boot Config EEPROM
512kb Boot Config
EEPROM
5106813C77
5106813D51
0xA8
I2C1
AT24C512C-XHMT
Processor ID EEPROM
5106813D81
0xD0
I2C2
M41T62LC6F
RTC
5106837C55
Table 4-12 I2C Interface
Address
Bus
Component
Function
Oracle Number
Содержание COMX-P4080-2G-ENP2
Страница 1: ...COMX P4080 2G ENP2 Installation and Use P N 6806800P63B August 2014 ...
Страница 6: ...COMX P4080 2G ENP2 Installation and Use 6806800P63B Contents 6 Contents Contents ...
Страница 8: ...COMX P4080 2G ENP2 Installation and Use 6806800P63B 8 List of Tables ...
Страница 10: ...COMX P4080 2G ENP2 Installation and Use 6806800P63B 10 List of Figures ...
Страница 18: ...COMX P4080 2G ENP2 Installation and Use 6806800P63B Safety Notes 18 ...
Страница 30: ...Hardware Preparation and Installation COMX P4080 2G ENP2 Installation and Use 6806800P63B 30 ...
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