RPM-Based PWM Fan Controller
Datasheet
Table 1.2 Pin Types
PIN TYPE
DESCRIPTION
Power
This pin is used to supply power or ground to the device.
Digital Input - this pin is used as a digital input. This pin is
5V tolerant.
DI
Push / Pull Digital Output - this pin is used as a digital
output. It can both source and sink current.
DO
Digital Input / Open Drain Output this pin is used as a
digital I/O. When it is used as an output, it is open drain
and requires a pull-up resistor. This pin is 5V tolerant.
DIOD
OD
Open Drain Digital Output - this pin is used as a digital
output. It is open drain and requires a pull-up resistor. This
pin is 5V tolerant.
Revision 1.1 (10-12-09)
8
SMSC EMC2301
DATASHEET
SMSC [ SMSC CORPORATION ]
