adm9240 Analog Devices, Inc., adm9240 Datasheet - Page 20
adm9240
Manufacturer Part Number
adm9240
Description
Low Cost Microprocessor System Hardware Monitor
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADM9240.pdf
(22 pages)
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ADM9240
Bit
0
1
2
3
4
5
6
7
Bit
0
1
2
3
4
5
6
7
Bit
0–7
Bit
0–6
7
Bit
0–3
4–5
6–7
Name
+2.5 V
+V
+3.3 V
+5 V
Temp
Reserved
FAN1
FAN2
Name
+12 V
V
Reserved
Reserved
CI
Reserved
Reserved
RESET Enable
Name
Reserved
Name
Reserved
Chassis Int. Clear
Name
VID
FAN1 Divisor
FAN2 Divisor
CCP2
CCP1
Table XIV. Register 47h, VID0–3/Fan Divisor Register (Power-On Default 0101(VID3–VID0))
Table X. Register 43h, INT Interrupt Mask Register 1 (Power-On Default = 00h)
Table XIII. Register 46h, Chassis Intrusion Clear (Power-On Default = 00h)
Table XII. Register 45h, Reserved Compatibility (Power-On Default = 00h)
Table XI. Register 44h, INT Mask Register 2 (Power-On Default = 00h)
R/W
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
Read/Write
Read/Write
R/W
Read/Write
R/W
Read/Write
Read/Write
R/W
Read
Read/Write
Read/Write
A “1” disables the corresponding interrupt status bit for INT interrupt.
A “1” disables the corresponding interrupt status bit for INT interrupt.
The VID[3:0] inputs from processor core power supplies to indicate the
Description
A “1” disables the corresponding interrupt status bit for INT interrupt.
A “1” disables the corresponding interrupt status bit for INT interrupt.
A “1” disables the corresponding interrupt status bit for INT interrupt.
A “1” disables the corresponding interrupt status bit for INT interrupt.
Power-On Default = 0.
A “1” disables the corresponding interrupt status bit for INT interrupt.
A “1” disables the corresponding interrupt status bit for INT interrupt.
Description
A “1” disables the corresponding interrupt status bit for INT interrupt.
Power-up default set to Low.
Power-up default set to Low.
A “1” disables the corresponding interrupt status bit for INT interrupt.
Undefined.
Undefined.
A “1” enables the RESET function in the configuration register.
Description
Reserved for Compatibility.
Description
Undefined (Power On Default = 00h)
A “1” outputs a minimum 20 ms active low pulse on the chassis intrusion
pin. The register bit clears itself after the pulse has been output.
Description
operating voltage (e.g., 1.3 V to 3.5 V).
Sets Counter Prescaler for FAN1 Speed Measurement
<5:4> = 00 – Divide by 1
<5:4> = 01 – Divide by 2
<5:4> = 10 – Divide by 4
<5:4> = 11 – Divide by 8
Sets Counter Prescaler for FAN2 Speed Measurement
<7:6> = 00 – Divide by 1
<7:6> = 01 – Divide by 2
<7:6> = 10 – Divide by 4
<7:6> = 11 – Divide by 8
–20–
REV. 0