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ADT7462ACPZ-R7 数据表(PDF) 11 Page - ON Semiconductor

部件名 ADT7462ACPZ-R7
功能描述  Flexible Temperature, Voltage Monitor, and System Fan Controller
PDF  81 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

ADT7462ACPZ-R7 数据表(HTML) 11 Page - ON Semiconductor

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ADT7462
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11
Configuration Option 2
Configuration Option 2 is used for thermal monitoring
and fan control for Processor 1 and Processor 2 in a dual
processor system. It can also monitor one set of VIDs, if
required. Features of Configuration Option 2 include the
following:
• One local and three remote thermal channels
• Up to four PWM drives and up to eight TACH inputs
(VID pins and TACHs/PWMs are muxed together)
• Two THERM I/Os
• Two VRD inputs
• RESET I/O
• Two VCCP voltage monitoring channels
Figure 20 shows the pin configuration when Configuration
Option 2 is chosen.
Figure 20. Configuration Option 2
PIN 1
INDICATOR
1
TACH1
2
TACH2
3
TACH3
4
TACH4
5
VCC
6
GND
7
TACH5
8
TACH6
24
VCCP2
23
VCCP1
22
TACH8
21
TACH7
20
D3–
19
D3+
18
D2–
17
D2+
ADT7462
TOP VIEW
(Not to Scale)
Table 3. Configuration Option 2
Pin
Function
Configuration Register
Bit Value
1†
TACH1
Pin Configuration Reg 1
Bit 4 = 1
2†
TACH2
Pin Configuration Reg 1
Bit 3 = 1
3†
TACH3
Pin Configuration Reg 1
Bit 2 = 1
4†
TACH4
Pin Configuration Reg 1
Bit 1 = 1
7
TACH5
Pin Configuration Reg 1
Bit 0 = 1
8
TACH6
Pin Configuration Reg 2
Bit 7 = 1
13
PWM4
Pin Configuration Reg 2
Bit 6 = 1
15
D1+
Pin Configuration Reg 1
Bit 6 = 1
16
D1−
Pin Configuration Reg 1
Bit 6 = 1
19
D3+
Pin Configuration Reg 1
Bit 5 = 1
20
D3−
Pin Configuration Reg 1
Bit 5 = 1
21
TACH7
Pin Configuration Reg 2
Bit 3 = 1
22
TACH8
Pin Configuration Reg 2
Bit 2 = 1
23
VCCP1
Pin Configuration Reg 2
Bits [1:0] = 00
24
VCCP2
Pin Configuration Reg 3
Bits [7:6] = 00
25
VR_HOT1
Pin Configuration Reg 3
Bits [5:4] = 1×
26
VR_HOT2
Pin Configuration Reg 3
Bits [3:2] = 1×
27
FAN2MAX
Pin Configuration Reg 3
Bit 1 = 0
28†
THERM1
Pin Configuration Reg 4
Bits [7:6] = 1×
29
THERM2
Pin Configuration Reg 4
Bits [5:4] = 1×
31†
PWM1
Pin Configuration Reg 4
Bit 3 = 1
32†
PWM2
Pin Configuration Reg 4
Bit 2 = 1
†If VIDs are selected, these pins are configured as VIDs. To
enable VIDs, set Bit 7 of Pin Configuration Register 1 (0x10) = 1.



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