ADT7470 Analog Devices, Inc., ADT7470 Datasheet - Page 24

• Manufacturer Part Number: ADT7470
• Description: Temperature Sensor Hub And Fan Controller
• Manufacturer: Analog Devices, Inc.

ADT7470
REGISTERS
Table 21. 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
R
R
R
R
R
R
R
R
R
R
R/W
R
R/W
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
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
Fans Not Present
Register
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
Bit 7
7
7
7
7
7
7
7
7
7
7
7
15
7
15
7
15
7
15
7
7
7
7
7
7
7
7
7
7
7
7
7
VER
T05_STB
OOL
Bit 6
6
6
6
6
6
6
6
6
6
6
6
14
6
14
6
14
6
14
6
6
6
6
6
6
6
6
6
6
6
6
6
VER
HF_LF
R7T
R6T
Bit 5
5
5
5
5
5
5
5
5
5
5
5
13
5
13
5
13
5
13
5
5
5
5
5
5
5
5
5
5
5
5
5
VER
FST_TCH
Rev. B | Page 24 of 40
Bit 4
4
4
4
4
4
4
4
4
4
4
4
12
4
12
4
12
4
12
4
4
4
4
4
4
4
4
4
4
4
4
4
VER
LOCK
R5T
Bit 3
3
3
3
3
3
3
3
3
3
3
3
11
3
11
3
11
3
11
3
3
3
3
Fan 4
3
3
3
3
3
3
3
3
STP
TODIS
R4T
Bit 2
2
2
2
2
2
2
2
2
2
2
2
10
2
10
2
10
2
10
2
2
2
2
Fan 3
2
2
2
2
2
2
2
2
STP
FSPD
R3T
Bit 1
1
1
1
1
1
1
1
1
1
1
1
9
1
9
1
9
1
9
1
1
1
1
Fan 2
1
1
1
1
1
1
1
1
STP
TEST
R2T
Bit 0
0
0
0
0
0
0
0
0
0
0
0
8
0
8
0
8
0
8
0
0
0
0
0
0
0
0
0
0
STRT
R1T
Fan 1
0
0
STP
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
0x00
0x01
0xXX
Lockable
y
y