Environmental Monitoring and Control Device
Datasheet
PIN
SYMBOL
PIN
(EMC6D100)
19
TYPE
NAME AND FUNCTION
(EMC6D101)
Remote1-
Remote1+
Remote2-
Remote2+
17
18
15
16
Remote
Negative input (current sink) from the first
remote thermal diode.
Thermal
Diode
Negative
Input
20
17
18
Remote
Thermal
Diode
Positive input (current source) from the first
remote thermal diode.
Positive
Input
Remote
Thermal
Diode
Negative input (current sink) from the
second remote thermal diode.
Negative
Input
Remote
Thermal
Diode
Positive input (current source) from the
second remote thermal diode.
Positive
Input
TACH1
TACH2
TACH3
11
12
13
14
Digital Input
Input for monitoring tachometer of fan 1
Input for monitoring tachometer of fan 2
Input for monitoring tachometer of fan 3
Digital Input
9
11
16
Digital Input
Digital Input
TACH4/
Address
Select
14
Input for monitoring tachometer of fan 4. If in
Address Select Mode, determines the
SMBus address of the device.
PWM1/xTest
24
28
Digital Open PWM Output 1 controlling speed of fan.
Drain Output When in XNOR tree test mode, functions as
XNOR Tree output.
Out
PWM2
10
13
12
15
Digital Open PWM Output 2 controlling speed of fan.
Drain Output
PWM3/Addre
ss
Enable#
Digital Open PWM Output 3 controlling speed of fan.
Drain Output
Note: If pulled to ground at power on,
enables Address Select Mode (Address
Select pin controls SMBus address of the
device).
INT# (note 1)
-
9
Digital Open Interrupt Output.
Drain Output
Note 1: These pins are in EMC6D100 only.
4.1
3.3V Operation, 5V Tolerance
The EMC6D100/EMC6D101 is intended to operate with a nominal 3.3V power supply. The analog voltage
pins are connected to voltage sources at their respective nominal levels. All digital signal pins are 3V
switching but are tolerant to 5V.
SMSC EMC6D100/EMC6D101
Page 15
Rev. 09-09-04
DATASHEET
SMSC [ SMSC CORPORATION ]
