ADM1025 Ver la hoja de datos (PDF) - Analog Devices
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ADM1025 Datasheet PDF : 16 Pages
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ADM1025/ADM1025A
Table VII. Register 40h – Configuration Register
Bit Name
R/W
Description
0 START
Read/Write Logic 1 enables startup of
monitor ASIC, and Logic 0
places the ASIC in standby
mode. At startup, limit checking
functions and scanning begins.
Note, all HIGH and LOW
LIMITS should be set into the
ADM1025/ADM1025A prior
to turning on this bit.
(Power-up Default = 0.)
1 Reserved Read
2 Reserved Read
3 Reserved Read
4 RESET
Read/Write Setting this bit generates a
minimum 20 ms low pulse on
Pin 16 if the function is enabled.
5 +12/VID4 Read/Write Selects whether Pin 11 acts as
Select
a 12 V analog input monitoring
pin, or as a VID[4] input. This
pin defaults to the 12 V analog
input. (Default = 0.)
6 Reserved Read
7 Initialization Read/Write Logic 1 restores power-up
default values to the
Configuration Register and
Status Registers. This bit
automatically clears itself and
the power-on default is zero.
Table VIII. Register 41h – Status Register 1
(Power-On Default <7:0> = 00h)
Bit Name
R/W
0 +2.5 V_Error Read-Only
1 VCCP_Error Read-Only
2 +3.3 V_Error Read-Only
3 +5 V_Error Read-Only
4 Local Temp Read-Only
Error
5 Remote Temp Read-Only
Error
6 Reserved
7 Reserved
Description
A 1 indicates a high
or low limit has been
exceeded.
A 1 indicates a high
or low limit has been
exceeded.
A 1 indicates a high
or low limit has been
exceeded.
A 1 indicates a high
or low limit has been
exceeded.
A 1 indicates a high
or a low temperature
limit has been exceeded.
A 1 indicates a high
or low Remote tem-
perature limit has been
exceeded.
Table IX. Register 42h – Status Register 2
(Power-On Default <7:0> = 00h)
Bit Name
R/W
Description
0 +12 V_Error Read-Only
1 VCC_Error
Read-Only
2 Reserved
Read-Only
3 Reserved
Read-Only
4 Reserved
Read-Only
5 Reserved
Read-Only
6 Remote Diode Read-Only
Fault
7 Reserved
Read-Only
A 1 indicates a high
or low limit has been
exceeded.
A 1 indicates a high
or low limit has been
exceeded.
Undefined
Undefined
Undefined
Undefined
A one indicates either a
short or open circuited
fault on the remote ther-
mal diode inputs.
Undefined
–14–
REV. C
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