參數(shù)資料
型號(hào)： Celeron Processor with mobile
廠商： Intel Corp.
英文描述： Celeron Processor Mobile Module MMC-1 at 400 MHz, 366 MHz, 333 MHz, and 300 MHz(工作頻率400,366,333,300和266兆赫茲帶移動(dòng)模塊和連接器1處理器)
中文描述： 賽揚(yáng)處理器的移動(dòng)模塊絲裂霉素在400兆赫，366兆赫，333兆赫和300兆赫1（工作頻率四千〇三億六千六百三十三萬(wàn)三千三百和266兆赫茲帶移動(dòng)模塊和連接器1處理器）
文件頁(yè)數(shù)： 34/42頁(yè)
文件大小： 449K
代理商： CELERON PROCESSOR WITH MOBILE
34
Intel
a
Celeron
Processor Mobile Module MMC-1
At 400 MHz, 366 MHz, 333 MHz, and 300 MHz
4.7.4.3
Overvoltage Lockout: Circuit Description
(V_ov_lockout)
The Celeron processor mobile module MMC-1 operates with
a maximum input voltage of 21 volts. This circuit locks out
the input voltage if it exceeds the maximum
21 volts. The output of this circuit, Pin 14 of the LM339
comparator, is an open collector output. It is low when the
applied voltage at PWR is more than 21 volts. This voltage
can be calculated with the following equation:
V_ov_lockout
.
.
Vref
R26
R26
R27
1
R24
R23
=
V_ov_lockout
20.998 volt
4.7.4.4
Figure 8 shows that the circuit detects an overcurrent
condition and cuts off the input voltage applied to the
Celeron processor mobile module. This circuit has two
different current limit trip points. This takes into account the
different maximum current drain by the Celeron processor
Overcurrent Protection: Circuit Description
mobile module at different input voltages. Assuming the AC
Adaptor voltage is 18 volts and the battery is a 3x3 Li-Ion
configuration with a minimum of 7.5 volts, the maximum
current for the above circuit can be calculated using the
following expression:
With AC Adaptor (I_wAdaptor):
I_wAdaptor
.
Vref
Vbe_Q1
R14
R13
R1
I_wAdaptor = 0.989
amp
Without AC Adaptor (I_woAdaptor):
I_woAdaptor
.
Vref
Vbe_Q1
R1.
R14
R33
R13
R1
I_woAdaptor = 2.375
amp
4.8
Active Thermal Feedback
Table 22 identifies the addresses allocated for the SMBus
thermal sensor.
Table 22. Thermal Sensor SMBus Address Table
Function
SMBus Address
Thermal Sensor
1001 110
NOTE:
The thermal sensor used is compliant with SMBus addressing. Please refer to the
Pentium II processor Thermal Sensor
Interface Specification
.
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