EMC6D103-CK SMSC [SMSC Corporation], EMC6D103-CK Datasheet - Page 13
EMC6D103-CK
Manufacturer Part Number
EMC6D103-CK
Description
FAN CONTROL DEVICE WITH HIGH FREQUENCY PWM
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.EMC6D103-CK.pdf
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Fan Control Device with High Frequency PWM Support and Hardware Monitoring Features
Datasheet
SMSC EMC6D103
3.2
PIN #
11
12
14
24
10
13
9
4
3
BUFFER TYPE
/xTest Out
/Address
/Address
Enable#
TACH1
TACH2
TACH3
TACH4
NAME
PWM1
PWM2
PWM3
Select
/INT#
/INT#
VCC
VSS
I
M
OD8
Note: The “#” as the suffix of a signal name indicates an “Active Low” signal.
Note 3.1
Note 3.2
Note: The buffer type values are specified at VCC=3.3V
Buffer Type Description
IO8
I
O8
OD3
I
AN
M
Input for monitoring a fan tachometer input.
Input for monitoring a fan tachometer input.
Input for monitoring a fan tachometer input.
/Interrupt output to indicate a thermal
and/or voltage event.
Input for monitoring a fan tachometer input.
If in Address Select Mode, determines the
SMBus address of the device.
PWM Output 1 controlling speed of fan.
When in XOR tree test mode, functions as
XOR Tree output.
PWM Output 2 controlling speed of fan.
/Interrupt output to indicate a thermal
and/or voltage event.
PWM Output 3 controlling speed of fan.
If pulled to ground at power on, enables
Address Select Mode (Address Select pin
controls SMBus address of the device).
Positive Power Supply. Nominal 3.3V.
VCC is monitored by the Hardware
Monitoring Block.
(Can be powered by +3.3V Standby power
if monitoring in low power states is
required.)
Analog Ground.
Buffer types per function on multiplexed pins are separated by a slash “/”. Buffer types in
parenthesis represent multiple buffer types for a single pin function.
This analog input is backdrive protected.
Digital Input
Analog Input, Hardware Monitoring Block.
Input/Output (Open Drain), 3mA sink.
Output, 8mA sink, 4mA source.
Output (Open Drain), 8mA sink.
Input/Output, 8mA sink, 4mA source.
Table 3.1 Pin Description (continued)
HARDWARE MONITORING BLOCK (24)
Table 3.2 Buffer Type Descriptions
FUNCTION
DATASHEET
13
BUFFER
DESCRIPTION
I
TYPE
M
IOD8
OD8
O8
OD3
I
I
I
M
M
M
PER FUNCTION
REQUIREMENT
(Note
OD8/OD8
BUFFER
I
OD8/O8
M
OD8/I
/OD3
I
I
I
M
M
M
3.1)
Revision 0.4 (04-04-05)
POWER
WELL
VCC
VCC
VCC
VCC
VCC
VCC
VCC
NOTES
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