RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
16
15
14
DN1
DP1
VDD
GPIO1
1
2
3
4
5
6
7
8
EMC2103-2
16-QFN
13
SHDN_SEL
DP2 / DN3
DN2 / DP3
TRIP_SET
12
11
10
9
GND
PWM
TACH
SMCLK
ALERT
Figure 2.2 EMC2103-2 Pin Diagram (16 pin QFN)
Table 2.1 Pin Description for EMC2103
PIN NUMBER
EMC2103-1
1
2
3
PIN NUMBER
EMC2103 -2
1
2
3
PIN NAME
DN1
DP1
VDD
SYS_SHDN
SMDATA
PIN FUNCTION
Negative (cathode) analog input for
External Diode 1.
Positive (anode) analog input for
External Diode 1.
Power Supply
GPI1 - General Purpose Input
(default)
GPIO2
PIN TYPE
AIO
AIO
Power
DI (5V)
OD (5V)
DO
N/A
4
GPIO1
GPO1 - Open Drain digital output
GPO1 - Push-pull digital output
Revision 0.85 (01-29-08)
10
SMSC EMC2103
DATASHEET
SMSC [ SMSC CORPORATION ]
