EMC2101-ACZT SMSC, EMC2101-ACZT Datasheet - Page 35
![no-image](/images/manufacturer_photos/0/6/617/smsc_sml.jpg)
EMC2101-ACZT
Manufacturer Part Number
EMC2101-ACZT
Description
Industrial Temperature Sensors Sngl Fan Contrllr
Manufacturer
SMSC
Datasheet
1.EMC2101-ACZL.pdf
(57 pages)
Specifications of EMC2101-ACZT
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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04h and
ADDR.
SMBus Fan Control with 1°C Accurate Temperature Monitoring
Datasheet
SMSC EMC2101
6.6
0Ah
3
0
0
0
0
0
0
0
0
1
1
R/W
R/W
Bit 1 - TCRITOVRD - Allows the TCRIT limit to be overridden.
Bit 0 - QUEUE - Sets the number of external diode over-temp measurements required to assert ALERT
/ TACH pin.
Bits 3- 0 - CONV[3:0] - The Conversion Rate Register controls the conversion rate per
Conversion Rate Register
‘0’ (default) - The ALERT / TACH pin will function as an open drain, active low interrupt.
‘1’ - The ALERT / TACH pin will function as a high impedance TACH input. This may require an
external pull-up resistor to set the proper signaling levels.
'0' (default) - TCRIT limit is set to default value and locked.
'1' - The TCRIT limit is unlocked for modification. The TCRIT limit can only be changed once. To
adjust TCRIT again, a power cycle is required.
'0' (default) - ALERT / TACH pin is asserted (and status bit set) after one external temperature
measurement exceeds the high limit or the TCRIT limit or drops below the low limit.
'1' - ALERT / TACH pin is asserted (and status bit set) after three consecutive external temperature
measurements exceed the high limit or the TCRIT limit or drop below the low limit.
REGISTER
Conversion
Rate
2
0
0
0
0
1
1
1
1
0
0
CONV[3:0]
all others
B7
-
Table 6.5 Conversion Rate Register
B6
Table 6.6 Conversion Rates
-
1
0
0
1
1
0
0
1
1
0
0
DATASHEET
B5
-
B4
35
-
CONV3
0
0
1
0
1
0
1
0
1
0
1
B3
CONV2
B2
CONVERSIONS PER SECOND
CONV1
B1
16 (default)
1/16
1/8
1/4
1/2
32
32
Revision 2.54 (06-16-09)
1
2
4
8
CONV0
B0
Table
DEFAULT
6.6.
08h
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