emc2103-3-kp-tr Standard Microsystems Corp., emc2103-3-kp-tr Datasheet - Page 43

• Manufacturer Part Number: emc2103-3-kp-tr
• Description: Emc2103 Rpm-based Fan Controller With Hardware Thermal Shutdown
• Manufacturer: Standard Microsystems Corp.

RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
SMSC EMC2103
6.3
6.4
0Ch
0Dh
ADDR
ADDR
0Ah
R/W
R/W
R/W
TEMPERATURE (°C)
TEMPERATURE (°C)
R/W
R
The Critical/Thermal Shutdown Temperature Register is a read-only register that stores the Voltage
Programmable Threshold temperature used in the Thermal / Critical Shutdown circuitry. The contents
of the register reflect the calculated temperature determined by the voltage on the TRIP_SET pin (see
Section
The data format is shown in
Critical/Thermal Shutdown Temperature Register
Pushed Temperature Registers
127.875
Critical/Thermal
Shutdown
Temperature
127
127
Pushed
Temperature 1
Pushed
Temperature 2
65
63
64
65
REGISTER
0
1
5.1.2).
REGISTER
Table 6.4 Critical/Thermal Shutdown Temperature Register
Table 6.5 Critical / Thermal Shutdown Data Format
Table 6.3 Temperature Data Format (continued)
Table 6.6 Pushed Temperature Register
128
B7
Sign
Sign
B7
Table
64
B6
DATASHEET
6.5.
64
64
B6
32
0100_0001_000b
0111_1111_000b
B5
0111_1111_111b
43
32
32
0000_0000b
0000_0001b
0100_0000b
0100_0001b
0011_1111b
B5
0111_1111b
BINARY
BINARY
16
B4
16
16
B4
8
B3
8
8
B3
4
B2
4
4
B2
2
B1
2
2
HEX (AS READ BY
B1
REGISTERS)
Revision 0.88 (06-30-08)
1
7F_E0h
41_00h
7F_00h
B0
1
1
HEX
3Fh
7Fh
00h
01h
40h
41h
B0
7Fh
(+127°C)
DEFAULT
00h
00h
DEFAULT