EMC2303-1-KZ-TR SMSC, EMC2303-1-KZ-TR Datasheet - Page 50
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EMC2303-1-KZ-TR
Manufacturer Part Number
EMC2303-1-KZ-TR
Description
Industrial Temperature Sensors RPM B Fan Controller w/HW Thermal Shutdwn
Manufacturer
SMSC
Datasheet
1.EMC2300-AZC-TR.pdf
(82 pages)
Specifications of EMC2303-1-KZ-TR
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- Current page: 50 of 82
- Download datasheet (2Mb)
Revision 0.32 (06-23-08)
8.2.3
Register
Address
2Ch
2Dh
28h
29h
2Ah
2Bh
2Eh
2Fh
(SENSOR ERROR)
TEMPERATURE
Read/
Write
Temperature Reading registers will be updated automatically by the
frequency of 4Hz.
Note: These registers are read only – a write to these registers has no effect.
Each of the temperature reading registers are mapped to a zone. Each PWM may be programmed to
operate in the auto fan control operating mode by associating a PWM with one or more zones. The
following is a list of the zone associations.
Registers 28-2Fh: Fan Tachometer Reading
R
R
R
R
R
R
R
R
-127 ° c
127 ° c
-50 ° c
50 ° c
0 ° c
Zone 1 is controlled by Remote Diode 1 Temp Reading
Zone 2 is controlled by Internal Temp Reading (Ambient Temperature Sensor)
Zone 3 is controlled by Remote Diode 2 Temp Reading
.
.
.
.
.
.
.
.
.
.
.
.
Register Name
Table 8.6 Registers 28-2Fh: Fan Tachometer Reading
Tach1 MSB
Tach2 MSB
Tach3 MSB
Tach4 MSB
Tach1 LSB
Tach2 LSB
Tach3 LSB
Tach4 LSB
Table 8.5 Temperature vs. Register Reading
READING (DEC)
DATASHEET
(MSb)
Bit 7
15
15
15
15
7
7
7
7
-127
127
-50
50
0
.
.
.
.
.
.
.
.
.
.
.
.
50
Fan Control Device with High Frequency PWM and Temperature Monitors
Bit 6
14
14
14
14
6
6
6
6
Bit 5
13
13
13
13
5
5
5
5
Bit 4
12
12
12
12
4
4
4
4
Bit 3
11
11
11
11
3
3
3
3
EMC2300
Bit 2
READING (HEX)
10
10
10
10
2
2
2
2
Bit 1
CEh
Chip with a minimum
7Fh
81h
00h
32h
80h
1
9
1
9
1
9
1
9
.
.
.
.
.
.
.
.
.
.
.
.
(LSb)
SMSC EMC2300
Bit 0
0
8
0
8
0
8
0
8
Datasheet
Default
Value
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
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