EMC2106 Datasheet, PDF (11/106 Pages) SMSC Corporation – Dual RPM-Based Linear Fan Controller with Hardware Thermal Shutdown

Dual RPM-Based Linear Fan Controller with Hardware Thermal Shutdown
Datasheet
PIN NUMBER
EMC2106
1
2
3
4
5
6
7
8
SMSC EMC2106
Table 2.1 Pin Description for EMC2106
PIN NAME
DN1 / VIN1
DP1 / VREF_T1
GND
VDD
OVERT3#/ GPIO5/
PWM4
ALERT#
CLK_IN / GPIO1
OVERT2# / GPIO4 /
PWM3
PIN FUNCTION
DN1 - Negative (cathode) analog input for
External Diode 1 (default)
VIN1 - General Voltage input to be used
with a thermistor
DP1 - Positive (anode) analog input for
External Diode 1 (default)
VREF_T1 - Reference output for use with
a thermistor and to drive VIN1
Ground Connection
Power Supply
OVERT3# - Active low interrupt for the
External Diode 3 channel
(default)
GPI5 - General Purpose Input
GPO5 - General Purpose push/ pull
Output
GPO5 - General Purpose open drain
Output.
PWM4 - Open Drain PWM driver
PWM4 - Push-Pull PWM driver
Active low interrupt - requires external
pull-up resistor.
CLK_IN - 32.768KHz clock input.
GPI1 - General Purpose Input
(default)
GPO1 - General Purpose push/ pull
Output
GPO1 - General Purpose open drain
Output.
OVERT2# - Active low Interrupt for the
External Diode 2 channel
(default)
GPI4 - General Purpose Input
GPO4 - General Purpose push/ pull
Output
GPO4 - General Purpose open drain
Output.
PWM3 - Open Drain PWM driver
PWM3 - Push-Pull PWM driver
PIN TYPE
AIO (2V)
AI (2V)
AIO (2V)
AO (2V)
Power
Power
OD (5V)
DI (5V)
DO
OD (5V)
OD (5V)
DO
OD (5V)
DI (5V)
DI (5V)
DO
OD (5V)
OD (5V)
DI (5V)
DO
OD (5V)
OD (5V)
DO
11
DATASHEET
Revision 1.72 (11-01-07)