ADT7476ARQH ONSEMI [ON Semiconductor], ADT7476ARQH Datasheet - Page 64

• Manufacturer Part Number: ADT7476ARQH
• Description: dBCOOL Remote Thermal Controller and Voltage Monitor
• Manufacturer: ONSEMI [ON Semiconductor]

Table 50. Register 0x7B — TACH Pulses per Revolution Register (Power−On Default = 0x55)
Bit No.
[1:0]
[3:2]
[5:4]
[7:6]
Mnemonic
FAN1
FAN2
FAN3
FAN4
R/W
R/W
R/W
R/W
R/W
00 = 1
01 = 2 (default)
10 = 3
11 = 4
00 = 1
01 = 2 (default)
10 = 3
11 = 4
00 = 1
01 = 2 (default)
10 = 3
11 = 4
00 = 1
01 = 2 (default)
10 = 3
11 = 4
Pulses Counted
Pulses Counted
Pulses Counted
Pulses Counted
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.
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.
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.
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.
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Description