ADT7462 datasheet(72/92 Pages) AD

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ADT7462

Rev. 0 | Page 72 of 92

Table 47. Register 0x0F THERM2 Configuration Register1

Bit

Name

R/W

Description

Enable THERM2 Timer

R/W

Enables the THERM2 timer circuit. Default = 0

THERM2_Local

R/W

Setting the bit to 1 means that the THERM2 pin is asserted low as an output whenever

the local temperature exceeds the local THERM2 temperature limit. Default = 0.

THERM2_Remote 1

R/W

Setting the bit to 1 means that the THERM2 pin is asserted low as an output whenever

the Remote 1 temperature exceeds the Remote 1 THERM2 temperature limit. Default = 0.

THERM2_Remote 2

R/W

Setting the bit to 1 means that the THERM2 pin is asserted low as an output whenever

the Remote 2 temperature exceeds the Remote 2 THERM2 temperature limit. Default = 0.

THERM2_Remote 3

R/W

Setting the bit to 1 means that the THERM2 pin is asserted low as an output whenever

the Remote 3 temperature exceeds the Remote 3 THERM2 temperature limit. Default = 0.

[7:5]

Reserved

Reserved for future use.

1 POR = 0x00, Lock = Y, SW Reset = Y.

Table 48. Register 0x10 Pin Configuration Register 11

Bit

Name

R/W

Description

Pin 7

R/W

0 = +12V1, 1 = TACH5 input. Default =1.

Pin 4

R/W

0 = GPIO4; 1= TACH4 input (that is if the VIDs are not selected). Default = 1.

Pin 3

R/W

0 = GPIO3; 1= TACH3 input (that is if the VIDs are not selected). Default = 1.

Pin 2

R/W

0 = GPIO2; 1= TACH2 input (that is if the VIDs are not selected). Default = 1.

Pin 1

R/W

0 = GPIO1; 1= TACH1 input (that is if the VIDs are not selected). Default = 1.

Diode 3

R/W

1 enables the D3+ and D3− inputs on Pin 19 and Pin 20. 0 enables the voltage measurement

input and SCSI_Term input. Default = 1.

Diode 1

R/W

1 enables the D1+ and D1− inputs on Pin 15 and Pin 16. 0 enables the voltage measurement

input and SCSI_Term input. Default = 1.

VIDs

R/W

Setting this bit to 1 enables the VIDs on Pin 1 to Pin 4, Pin 28, Pin 31, and Pin 32. Default = 0.

1 POR = 0x7F, Lock = Y, SW Reset = Y.

Table 49. Register 0x11 Pin Configuration Register 21

Bit

Name

R/W

Description

[1:0]

Pin 23

R/W

00 = VCCP1 selected.

01 = +2.5V.

10 = +1.8V (default).

11 = +1.5V.

Pin 22

R/W

0 = +12V3; 1 = TACH8. Default = 1.

Pin 21

R/W

0 = +5V; 1 = TACH7. Default = 1.

Pin 19

R/W

0 = 1.25V; 1 = +0.9V (that is, if RT3 is not selected). Default = 0.

Pin 15

R/W

0 = +2.5V, 1 = +1.8V (that is, if RT1 is not selected) . Default = 0.

Pin 13

R/W

0 = +3.3V; 1 = PWM4. Default = 1.

Pin 8

R/W

0 = +12V2; 1 = TACH6. Default = 1.

1 POR = 0xCE, Lock = Y, SW Reset = Y.

ADT7462 Datasheet(PDF) 72 Page - Analog Devices

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