ADT7462ACPZ-REEL7 ON Semiconductor, ADT7462ACPZ-REEL7 Datasheet - Page 14

• Manufacturer Part Number: ADT7462ACPZ-REEL7
• Description: IC TEMP/VOLT MONITOR 32-LFCSP
• Manufacturer: ON Semiconductor

Specifications of ADT7462ACPZ-REEL7

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: SMBus™
• 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: 32-LFCSP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Configuration Option 5
voltages, and fans for Processor 2 in a dual processor system.
Features of Configuration Option 5 include the following:
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•
•
•
•
•
•
•
•
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Option 5 is chosen.
Configuration Option 5 is used to monitor temperature,
Figure 23 shows the pin configuration when Configuration
One local and two remote temperature channels
Up to three PWM drives and up to six TACH inputs
Voltage monitoring
Two +12V
+3.3V
Mem_Core (+1.969V)
+1.8 V
Two +1.5V
+1.2V (V
RESET I/O
TACH1
TACH2
TACH3
TACH4
+12V1
+12V2
GND
Figure 23. Configuration Option 5
CCP2
V
CC
1
2
3
4
5
6
7
8
)
PIN 1
INDICATOR
(Not to Scale)
ADT7462
TOP VIEW
24
23
22
21
20
19
18
17
V
+1.8V
TACH8
TACH7
D3–
D3+
D2−
D2+
CCP2
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14
Table 6. Configuration Option 5
†If VIDs are selected, these pins are configured as VIDs. To
*It is not possible to configure +1.5V monitoring on Pin 29 and
31
32
Pin
29*
13
15
16
19
20
21
22
23
24
25
26
27
28
1
2
3
4
†*
7
8
enable VIDs, set Bit 7 of Pin Configuration Register 1 (0x10) = 1.
THERM1 on Pin 28. Pin 28 must both be configured as either
+1.5V monitoring or as THERM I/O (see Table 47).
†
†
†
†
†
†
VR_HOT2
FAN2MAX
THERM1/
THERM2/
Function
TACH1
TACH2
TACH3
TACH4
TERM1
TACH7
TACH8
+12V1
+12V2
PWM1
PWM2
SCSI_
V
+3.3V
+2.5V
+1.8V
+1.2V
+1.5V
+1.5V
D3+
D3−
CCP2
Configuration Register
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 2
Pin Configuration Reg 2
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 1
Pin Configuration Reg 2
Pin Configuration Reg 2
Pin Configuration Reg 2
Pin Configuration Reg 3
Pin Configuration Reg 3
Pin Configuration Reg 3
Pin Configuration Reg 3
Pin Configuration Reg 4
Pin Configuration Reg 4
Pin Configuration Reg 4
Pin Configuration Reg 4
Bit 4 = 1
Bit 3 = 1
Bit 2 = 1
Bit 1 = 1
Bit 0 = 0
Bit 7 = 0
Bit 6 = 0
Bit 6 = 0
Bit 6 = 0
Bit 5 = 1
Bit 5 = 1
Bit 3 = 1
Bit 2 = 1
Bits [1:0] = 10
Bits [7:6] = 00
Bits [5:4] = 01
Bits [3:2] = 1×
Bit 1 = 0
See Table 51
See Table 51
Bit 3 = 1
Bit 2 = 1
Bit Value