ADT7462ACPZ-R7 datasheet(75/81 Pages) ONSEMI

75 / 81 page

ADT7462

http://onsemi.com

Table 82. Register 0x60, Register 61, Register 62, Register 63 — Local, Remote 1, Remote 2, and Remote 3

TRANGE/Hysteresis

Bit

Name

R/W

Description

[3:0]

Hysteresis

R/W

These four bits set the hysteresis in the automatic fan speed control loop and in the dynamic

TMIN control loop, 1 LSB = 1°C.

0000 = 0°C

0001 = 1°C

0010 = 2°C

0011 = 3°C

0100 = 4°C (default)

0101 = 5°C

0110 = 6°C

0111 = 7°C

1000 = 8°C

1001 = 9°C

1010 = 10°C

1011 = 11°C

1100 = 12°C

1101 = 13°C

1110 = 14°C

1111 = 15°C

[7:4]

Range

R/W

These four bits set the TRANGE value, that is, the slope or rate of change of fan speed with

respect to temperature in the automatic fan speed control loop.

0000 = 2°C

0001 = 2.5°C

0010 = 3.3°C

0011 = 4°C

0100 = 5°C

0101 = 6.7°C

0110 = 8°C

0111 = 10°C

1000 = 13.3°C

1001 = 16°C

1010 = 20°C

1011 = 26.7°C

1100 = 32°C (default)

1101 = 40°C

1110 = 53.3°C

1111 = 80°C

Table 83. Register 0x64 — Operating Point Hysteresis (Note 1)

Bit

Name

R/W

Description

[3:0]

Reserved

Reserved for future use.

[7:4]

Operating Point

Hysteresis

R/W

These four bits set the operating point hysteresis for the dynamic TMIN control loop,

1 LSB = 1°C.

0000 = 0°C

0001 = 1°C

0010 = 2°C

0011 = 3°C

0100 = 4°C (default)

0101 = 5°C

0110 = 6°C

0111 = 7°C

1000 = 8°C

1001 = 9°C

1010 = 10°C

1011 = 11°C

1100 = 12°C

1101 = 13°C

1110 = 14°C

1111 = 15°C

1. POR = 0x40, Lock = Y, SW Reset = Y.

Table 84. Voltage Limit Registers (Note 1)

R/W

Description

POR Default

0x68

R/W

+3.3V high limit.

0xFF

0x69

R/W

Pin 23 voltage high limit.

0xFF

0x6A

R/W

Pin 24 voltage high limit.

0xFF

0x6B

R/W

Pin 25 voltage high limit.

0xFF

0x6C

R/W

Pin 26 voltage high limit.

0xFF

0x6D

R/W

+12V1 voltage low limit.

0x00

0x6E

R/W

+12V2 voltage low limit.

0x00

0x6F

R/W

+12V3 voltage low limit.

0x00

0x70

R/W

+3.3V low limit.

0x00

0x71

R/W

+5V low limit.

0x00

0x72

R/W

Pin 23 voltage low limit.

0x20

0x73

R/W

Pin 24 voltage low limit.

0x00

0x74

R/W

Pin 25 voltage low limit.

0x00

0x75

R/W

Pin 26 voltage low limit.

0x80

0x76

R/W

+1.5V1 (ICH) voltage low limit.

0x00

0x77

R/W

+1.5V2 (3GIO) voltage low limit.

0x00

1. Lock = N, SW Reset = N.

ADT7462ACPZ-R7 数据表(PDF) 75 Page - ON Semiconductor

ADT7462ACPZ-R7 数据表(HTML) 75 Page - ON Semiconductor

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81

数据表下载

链接网址

ADT7462ACPZ-R7 数据表(PDF) 75 Page - ON Semiconductor

ADT7462ACPZ-R7 数据表(HTML) 75 Page - ON Semiconductor

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81

数据表 下载

链接网址

数据表下载