EMC6D100 Datasheet, PDF (15/75 Pages) SMSC Corporation – ENVIRONMENTAL MONITORING AND CONTROL DEVICE WITH AUTOMATIC FAN CAPABILITY

Environmental Monitoring and Control Device
Datasheet
SYMBOL
Remote1-
PIN
(EMC6D101)
17
Remote1+
18
Remote2-
15
Remote2+
16
TACH1
11
PIN
(EMC6D100)
19
20
17
18
13
TYPE
Remote
Thermal
Diode
Negative
Input
Remote
Thermal
Diode
Positive
Input
Remote
Thermal
Diode
Negative
Input
Remote
Thermal
Diode
Positive
Input
Digital Input
NAME AND FUNCTION
Negative input (current sink) from the first
remote thermal diode.
Positive input (current source) from the first
remote thermal diode.
Negative input (current sink) from the
second remote thermal diode.
Positive input (current source) from the
second remote thermal diode.
Input for monitoring tachometer of fan 1
TACH2
12
14
Digital Input Input for monitoring tachometer of fan 2
TACH3
9
TACH4/
14
Address
Select
PWM1/xTest
24
Out
PWM2
10
PWM3/Addre
13
ss
Enable#
INT# (note 1)
-
11
Digital Input Input for monitoring tachometer of fan 3
16
Digital Input Input for monitoring tachometer of fan 4. If in
Address Select Mode, determines the
SMBus address of the device.
28
Digital Open PWM Output 1 controlling speed of fan.
Drain Output When in XNOR tree test mode, functions as
XNOR Tree output.
12
Digital Open PWM Output 2 controlling speed of fan.
Drain Output
15
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).
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
DATASHEET
Rev. 09-09-04