ADT7463ARQZ ON Semiconductor, ADT7463ARQZ Datasheet - Page 48

• Manufacturer Part Number: ADT7463ARQZ
• Description: IC REMOTE THERMAL CTRLR 24-QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7463ARQZ

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Fan Speed Counter, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 120°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADT7463
Bit
0
1
2
3
4
5
6
7
Bit
0
1
2
3
4
5
6
7
Bit
<1:0>
<3:2>
<5:4>
<7:6>
If this register is read, this register and the registers holding the MSB of each reading are frozen until read.
Bit
<1:0>
<3:2>
<5:4>
<7:6>
If this register is read, this register and the registers holding the MSB of each reading are frozen until read.
Name
2.5V
V
V
5V
R1T
LT
R2T
OOL
Name
12V/VC
OVT
FAN1
FAN2
FAN3
F4P
D1
D2
Name
2.5V
V
V
5V
Name
12V
TDM1
LTMP
TDM2
CCP
CC
CCP
CC
Table XXXIII. Register 0x75 – Interrupt Mask Register 2 (Power-On Default <7:0> = 0x00)
Table XXXII. Register 0x74 – Interrupt Mask Register 1 (Power-On Default <7:0> = 0x00)
R/W
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
R/W
Read/Write
Read Only
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
R/W
Read-Only
Read-Only
Read-Only
Read-Only
R/W
Read-Only
Read-Only
Read-Only
Read-Only
Table XXXIV. Register 0x76 – Extended Resolution Register 1
Table XXXV. Register 0x77 – Extended Resolution Register 2
Description
A one masks SMBALERT for out-of-limit conditions on the 2.5 V channel.
A one masks SMBALERT for out-of-limit conditions on the V
A one masks SMBALERT for out-of-limit conditions on the V
A one masks SMBALERT for out-of-limit conditions on the 5 V channel.
A one masks SMBALERT for out-of-limit conditions on the Remote 1
Temperature channel.
A one masks SMBALERT for out-of-limit conditions on the Local
Temperature channel.
A one masks SMBALERT for out-of-limit conditions on the Remote 2
Temperature channel.
A one masks SMBALERT for any out-of-limit condition in Status Register 2.
Description
A one masks SMBALERT for out-of-limit conditions on the 12 V channel.
A one masks SMBALERT for overtemperature THERM conditions.
A one masks SMBALERT for a Fan 1 Fault.
A one masks SMBALERT for a Fan 2 Fault.
A one masks SMBALERT for a Fan 3 Fault.
A one masks SMBALERT for a Fan 4 Fault. If the TACH4 pin is being used as the
THERM input, this bit masks SMBALERT for a THERM timer event.
A one masks SMBALERT for a diode open or short on Remote 1 channel.
A one masks SMBALERT for a diode open or short on Remote 2 channel.
Description
2.5 V LSBs. Holds the 2 LSBs of the 10-bit 2.5 V measurement.
V
V
5 V LSBs. Holds the 2 LSBs of the 10-bit 5 V measurement.
Description
12 V LSBs. Holds the 2 LSBs of the 10-bit 12 V measurement.
Remote 1 Temperature LSBs. Holds the 2 LSBs of the 10-bit Remote 1
Local Temperature LSBs. Holds the 2 LSBs of the 10-bit Local
Remote 2 Temperature LSBs. Holds the 2 LSBs of the 10-bit Remote 2
CCP
CC
Temperature measurement.
Temperature measurement.
Temperature measurement.
LSBs. Holds the 2 LSBs of the 10-bit V
LSBs. Holds the 2 LSBs of the 10-bit V
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CC
CCP
measurement.
measurement.
CCP
CC
channel.
channel.
REV. C