ADT7470ARQZ-REEL Analog Devices Inc, ADT7470ARQZ-REEL Datasheet - Page 27

• Manufacturer Part Number: ADT7470ARQZ-REEL
• Description: IC,Motor Controller,SSOP,16PIN
• Manufacturer: Analog Devices Inc

Specifications of ADT7470ARQZ-REEL

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Fan Speed Control, Register Bank
• Sensor Type: External
• Sensing Temperature: External Sensor
• Output Type: I²C™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-ADT7470EBZ - BOARD EVALUATION FOR ADT7470
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER MAP
Table 23. ADT7470 Register Map
Address
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x38
0x39
0x3A
0x3B
0x3C
0x3D
0x3E
0x3F
0x40
0x41
0x42
0x43
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B
0x4C
0x4D
0x4E
0x4F
0x50
0x51
0x52
0x53
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R/W
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Temperature 1 Reading
Temperature 2 Reading
Temperature 3 Reading
Temperature 4 Reading
Temperature 5 Reading
Temperature 6 Reading
Temperature 7 Reading
Temperature 8 Reading
Temperature 9 Reading
Temperature 10 Reading
Tach 1 Low Byte
Tach 1 High Byte
Tach 2 Low Byte
Tach 2 High Byte
Tach 3 Low Byte
Tach 3 High Byte
Tach 4 Low Byte
Tach 4 High Byte
PWM1 Current Duty Cycle
PWM2 Current Duty Cycle
PWM3 Current Duty Cycle
PWM4 Current Duty Cycle
Reserved
ADI Test Register 1
PWM1 Max Duty Cycle
PWM2 Max Duty Cycle
PWM3 Max Duty Cycle
PWM4 Max Duty Cycle
ADI Test Register 2
Device ID Register
Company ID Number
Revision Number
Configuration Register 1
Interrupt Status Register 1
Interrupt Status Register 2
Fan Pulses per Revolution
Temperature 1 Low Limit
Temperature 1 High Limit
Temperature 2 Low Limit
Temperature 2 High Limit
Temperature 3 Low Limit
Temperature 3 High Limit
Temperature 4 Low Limit
Temperature 4 High Limit
Temperature 5 Low Limit
Temperature 5 High Limit
Temperature 6 Low Limit
Temperature 6 High Limit
Temperature 7 Low Limit
Temperature 7 High Limit
Temperature 8 Low Limit
Temperature 8 High Limit
Rev. C | Page 27 of 40
Default
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0x00
0x00
0xFF
0xFF
0xFF
0xFF
0x00
0x70
0x41
0x02
0x01
0xXX
0xXX
0x55
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
0x81
0x7F
Lockable
y
y
ADT7470