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EVAL-ADM1026EB Datasheet(PDF) 41 Page - Analog Devices

Part # EVAL-ADM1026EB
Description  Complete Thermal and System Management Controller
PDF  56 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

EVAL-ADM1026EB Datasheet(HTML) 41 Page - Analog Devices

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ADM1026
Rev. A | Page 41 of 56
Table 23. Register 0Ah, GPIO Configuration Register 3 (Power-On Default 00h)
Bit
Name
R/W
Description
0
GPIO8 Direction
R/W
When this bit is 0, GPIO8 is configured as an input; otherwise, it is an output.
1
GPIO8 Polarity
R/W
When this bit is 0, GPIO8 is active low; otherwise, it is active high.
2
GPIO9 Direction
R/W
When this bit is 0, GPIO9 is configured as an input; otherwise, it is an output.
3
GPIO9 Polarity
R/W
When this bit is 0, GPIO9 is active low; otherwise, it is active high.
4
GPIO10 Direction
R/W
When this bit is 0, GPIO10 is configured as an input; otherwise, it is an output.
5
GPIO10 Polarity
R/W
When this bit is 0, GPIO10 is active low; otherwise, it is active high.
6
GPIO11 Direction
R/W
When this bit is 0, GPIO11 is configured as an input; otherwise, it is an output.
7
GPIO11 Polarity
R/W
When this bit is 0, GPIO11 is active low; otherwise, it is active high.
Table 24. Register 0Bh, GPIO Configuration Register 4 (Power-On Default 00h)
Bit
Name
R/W
Description
0
GPIO12 Direction
R/W
When this bit is 0, GPIO12 is configured as an input; otherwise, it is an output.
1
GPIO12 Polarity
R/W
When this bit is 0, GPIO12 is active low; otherwise, it is active high.
2
GPIO13 Direction
R/W
When this bit is 0, GPIO13 is configured as an input; otherwise, it is an output.
3
GPIO13 Polarity
R/W
When this bit is 0, GPIO13 is active low; otherwise, it is active high.
4
GPIO14 Direction
R/W
When this bit is 0, GPIO14 is configured as an input; otherwise, it is an output.
5
GPIO14 Polarity
R/W
When this bit is 0, GPIO14 is active low; otherwise, it is active high.
6
GPIO15 Direction
R/W
When this bit is 0, GPIO15 is configured as an input; otherwise, it is an output.
7
GPIO15 Polarity
R/W
When this bit is 0, GPIO15 is active low; otherwise, it is active high.
Table 25. Register 0ch, EEPROM Register 2 (Power-On Default 00h)
Bit
Name
R/W
Description
7–0
Factory Use
R
For factory use only. Do not write to this register.
Table 26. Register 0Dh, Internal Temperature THERM Limit (Power-On Default, 37h 55°C)
Bit
Name
R/W
Description
7–0
Int Temp THERM Limit
R/W
This register contains the THERM limit for the internal temperature channel. Exceeding this limit
causes the THERM output pin to be asserted.
Table 27. Register 0Eh, TDM1 THERM Limit (Power-On Default 50h, 80°C)
Bit
Name
R/W
Description
7–0
TDM1 THERM Limit
R/W
This register contains the THERM limit for the TDM1 temperature channel. Exceeding this limit
causes the THERM output pin to be asserted.
Table 28. Register 0Fh, TDM2 THERM Limit (Power-On Default 50h, 80°C)
Bit
Name
R/W
Description
7–0
TDM2 THERM Limit
R/W
This register contains the THERM limit for the TDM2 temperature channel. Exceeding this limit
causes the THERM output pin to be asserted.
Table 29. Register 10h, Internal Temperature TMIN (Power-On Default 28h, 40°C)
Bit
Name
R/W
Description
7–0
Internal Temp TMIN
R/W
This register contains the TMIN value for automatic fan speed control based on the internal
temperature channel.
Table 30. Register 11h, TDM1 Temperature TMIN (Power-On Default 40h, 64°C)
Bit
Name
R/W
Description
7–0
TDM1 Temp TMIN
R/W
This register contains the TMIN value for automatic fan speed control based on the TDM1
temperature channel.



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