ADT7476ARQZ-R7 datasheet(64/67 Pages) ONSEMI

Part #	ADT7476ARQZ-R7

Description	dBCOOL Remote Thermal Controller and Voltage Monitor

PDF	67 Pages

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Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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ADT7476

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Table 50. Register 0x7B — TACH Pulses per Revolution Register (Power−On Default = 0x55)

Bit No.

Mnemonic

R/W

Description

[1:0]

FAN1

R/W

Sets number of pulses to be counted when measuring Fan 1 speed. Can be used to

determine fan pulses per revolution for unknown fan type.

Pulses Counted

00 = 1

01 = 2 (default)

10 = 3

11 = 4

[3:2]

FAN2

R/W

Sets number of pulses to be counted when measuring Fan 2 speed. Can be used to

determine fan pulses per revolution for unknown fan type.

Pulses Counted

00 = 1

01 = 2 (default)

10 = 3

11 = 4

[5:4]

FAN3

R/W

Sets number of pulses to be counted when measuring Fan 3 speed. Can be used to

determine fan pulses per revolution for unknown fan type.

Pulses Counted

00 = 1

01 = 2 (default)

10 = 3

11 = 4

[7:6]

FAN4

R/W

Sets number of pulses to be counted when measuring Fan 4 speed. Can be used to

determine fan pulses per revolution for unknown fan type.

Pulses Counted

00 = 1

01 = 2 (default)

10 = 3

11 = 4

ADT7476ARQZ-R7 Datasheet(PDF) 64 Page - ON Semiconductor

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