emc2103-3-kp-tr Standard Microsystems Corp., emc2103-3-kp-tr Datasheet - Page 34
emc2103-3-kp-tr
Manufacturer Part Number
emc2103-3-kp-tr
Description
Emc2103 Rpm-based Fan Controller With Hardware Thermal Shutdown
Manufacturer
Standard Microsystems Corp.
Datasheet
1.EMC2103-3-KP-TR.pdf
(85 pages)
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Revision 0.88 (06-30-08)
5.12.1
5.13
Diode Faults
The EMC2103 actively detects an open and short condition on each measurement channel. When a
diode fault is detected, the temperature data MSByte is forced to a value of 80h and the FAULT bit is
set in the Status Register. When the External Diode 2 channel is configured to operate in APD mode,
the circuitry will detect independent open fault conditions, however a short condition will be shared
between the External Diode 2 and External Diode 3 channels.
If a diode fault occurs on the hardware defined shutdown channel, then no temperature comparison is
performed. The SYS_SHDN pin will not be asserted.
The EMC2103-2 contains two dedicated GPIO pins. The GPIO pins can be individually configured as
an input or an output and as a push-pull or open-drain output. Additionally, each GPIO pin, when
configured as an input, can be individually enabled to trigger an interrupt when they change states.
GPIOs
DATASHEET
34
RPM-Based Fan Controller with HW Thermal Shutdown
SMSC EMC2103
Datasheet
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