Datasheet
TEMPERATURE
n
n+1 n+2 n+3 n+4 n+5
SAMPLE NUMBER
Remote Diode
Measurement
Status Register: Remote High
25
27
29
31
33
35
37
39
41
43
45
0 50 100 150 200
SAMPLE NUMBER
TEMPERATURE (
o
C)
LM96163
with Filter
On
LM96163
with
Filter Off
LM96163
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SNAS433D –JUNE 2008–REVISED MAY 2013
The filter curves were purposely offset for clarity.
Figure 12. Digital Filter Response in a typical Intel processor on a 65 nm or 90 nm process
Figure 12 shows the filter in use in a typical Intel processor on a 65/90 nm process system. Note that the two
curves have been purposely offset for clarity. Inserting the filter does not induce an offset as shown.
FAULT QUEUE
The LM96163 incorporates a Fault Queue to suppress erroneous ALERT triggering . The Fault Queue prevents
false triggering by requiring three consecutive out-of-limit HIGH or LOW temperature readings. See Figure 13.
The Fault Queue defaults to OFF upon power-up and may be activated by setting the RDTS Fault Queue bit in
the Configuration Register to a 1.
Figure 13. Fault Queue Temperature Response Diagram
ONE-SHOT REGISTER
The One-Shot Register is used to initiate a single conversion and comparison cycle when the device is in
standby mode, after which the data returns to standby. This is not a data register. A write operation causes the
one-shot conversion. The data written to this address is irrelevant and is not stored. A zero will always be read
from this register.
SERIAL INTERFACE RESET
In the event that the SMBus Master is reset while the LM96163 is transmitting on the SMBDAT line, the
LM96163 must be returned to a known state in the communication protocol. This may be done in one of two
ways:
1. When SMBDAT is Low, the LM96163 SMBus state machine resets to the SMBus idle state if either SMBDAT
or SMBCLK are held Low for more than 35 ms (t
TIMEOUT
). Devices are to timeout when either the SMBCLK or
SMBDAT lines are held Low for 25 ms – 35 ms. Therefore, to insure a timeout of devices on the bus, either
the SMBCLK or the SMBDAT line must be held Low for at least 35 ms.
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