参数资料
型号: EMC2103-1-KP-TR
厂商: STANDARD MICROSYSTEMS CORP
元件分类: 模拟信号调理
中文描述: SPECIALTY ANALOG CIRCUIT, QCC12
封装: 4 X 4 MM, ROHS COMPLIANT, QFN-12
文件页数: 43/89页
文件大小: 1243K
代理商: EMC2103-1-KP-TR
RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
Revision 0.90 (08-19-08)
48
SMSC EMC2103
DATASHEET
APPLICATION NOTE: When measuring a 65nm Intel CPUs, the Ideality Setting should be the default 12h. When
measuring 45nm Intel CPUs, the Ideality Setting should be 15h.
6.7
Beta Configuration Register
The Beta Configuration Register controls advanced temperature measurement features of the External
Diode channels.
If External Diode 1 is selected as the hardware shutdown measurement channel (see Section 5.1.1)
then the External Diode 1 Beta register will be read only. If the internal diode is selected, then this
register can be written normally. Likewise, if the External Diode 2 channel is selected (EMC2103-2
only) then this register can be written normally. Finally, if External Diode 2 is selected as the hardware
shutdown measurement channel (EMC2103-2 only), then the External Diode 2 Beta Configuration
Register will be read only.
14h
1.0106
15h
1.0119
16h
1.0133
17h
1.0146
Table 6.10 Substrate Diode Ideality Factor Look-Up Table (BJT Model)
SETTING
FACTOR
10h
0.9973
11h
0.9986
12h
1.0000
13h
1.0013
14h
1.0026
15h
1.0039
16h
1.0053
17h
1.0066
Table 6.11 Beta Configuration Register
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
14h
R/W -
see
External Diode 1
Beta
Configuration
-
AUTO1
-
BETA1[2:0]
see
15h **
R/W -
see
External Diode 2
Beta
Configuration **
-
AUTO2
-
BETA2[2:0]
see
Table 6.9 Ideality Factor Look-Up Table (continued)
SETTING
FACTOR
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