ADM1027ARQ-REEL ON Semiconductor, ADM1027ARQ-REEL Datasheet - Page 45

• Manufacturer Part Number: ADM1027ARQ-REEL
• Description: IC REMOTE THERMAL CTRLR 24-QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADM1027ARQ-REEL

• Rohs Status: RoHS non-compliant
• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Fan Speed Counter, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: 0°C ~ 105°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: 0°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP

Bit
<4:0>
<7:5>
Register Address
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B
0x4C
0x4D
Setting the Configuration Register 1 lock bit has no effect on these registers.
High Limits: An interrupt is generated when a value exceeds its high limit ( > comparison).
Low Limits: An interrupt is generated when a value is equal to or below its low limit ( £ comparison).
Register Address
0x4E
0x4F
0x50
0x51
0x52
0x53
Exceeding any of these temperature limits by 1
the Configuration Register 1 lock bit has no effect on these registers.
High Limits: An interrupt is generated when a value exceeds its high limit ( > comparison).
Low Limits: An interrupt is generated when a value is equal to or below its low limit (£ comparison).
Name
VID[4:0]
Reserved
R/W
Read-Only
Read-Only
R/W
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
R/W
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Table XII. Register 0x43 – VID Register (Power-On Default = 0x00 )
Description
The VID[4:0] inputs from the CPU to indicate the expected processor core voltage. On
power-up, these bits reflect the state of the VID pins, even if monitoring is not enabled.
Reserved for future use.
Description
2.5 V Low Limit
2.5 V High Limit
V
V
V
V
5 V Low Limit
5 V High Limit
12 V Low Limit
12 V High Limit
Description
Remote 1 Temperature Low Limit
Remote 1 Temperature High Limit
Local Temperature Low Limit
Local Temperature High Limit
Remote 2 Temperature Low Limit
Remote 2 Temperature High Limit
Table XIV. Temperature Limit Registers
CCP
CCP
CC
CC
o
C will cause the appropriate status bit to be set in the interrupt status register. Setting
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Table XIII. Voltage Limit Registers
Low Limit
High Limit
Low Limit
High Limit
Power-On Default
0x00
0xFF
0x00
0xFF
0x00
0xFF
0x00
0xFF
0x00
0xFF
Power-On Default
0x81
0x7F
0x81
0x7F
0x81
0x7F
ADM1027