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參數(shù)資料
| 型號： | intel Pentium CPU |
| 廠商： | Intel Corp. |
| 英文描述： | 32 Bit CPU With MMX Technology and Mobile Module(32位帶MMX和移動模塊處理器) |
| 中文描述： | 32位CPU的MMX技術(shù)和移動模塊（32位帶MMX公司和移動模塊處理器） |
| 文件頁數(shù)： | 26/36頁 |
| 文件大?。?/td> | 395K |
| 代理商： | INTEL PENTIUM CPU |
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INTEL PENTIUM PROCESSOR WITH MMX TECHNOLOGY MOBILE MODULE
26
1/8/98 4:35 PM 24351502.DOC
Voltage Plane Sequencing
V_DC
1. PWROK on system electronics should be active on when VR_PWRGD is active and V_3S is good.
2. CPU_RST from system electronics should be active for a minimum of 6 ms after PWROK is active and PLL_STP# and CPU_STP# are inactive.
Note that PLL_STP# is an AND condition of RSMRST# and SUSB# on the PIIX4.
3. V_DC >= 4.7V, V_5>=4.5V, V_3S>=3.0V.
4. This is the 5V power supplied to the Intel Mobile Module connector. This should be the first 5V plane to power up.
V_3
V_5
VR_PWRGD
V_3S
VR_ON
0 MS MIN
0 MS MIN
0 MS MIN
6 MS MAX
NOTE 3
V_CPUIO
SEE NOTE 4
Figure 4. Power On Sequence Timing
Figure 4 details the sequencing of Signals and
Voltage planes required for normal operation of the
Intel Mobile Module.
The Intel Mobile Module also provides the
VR_PWRGD signal, which indicates that the
voltage regulator power is operating at a stable
voltage level. The system manufacturer should use
this signal on the system electronics to control
power inputs, and gate PWROK to the PIIX4 South
Bridge.
Please
Representative for more details about the voltage
regulator, power sequencing, and proper voltage
signaling.
contact
your
local
Intel
Sales
3.5.
Active Thermal Feedback
Table 15 identifies three addresses allocated for
the System Management Bus (SMBus) on the
Intel Mobile Module. Two of these addresses are
reserved for future use.
Table 15. LM75 SMBUS Address Table
Function
Fixed Address AD Bits (6:3) Selectable Address AD Bits (2:0)
LM75 Thermal Sensor
1001
000
Reserved
1001
001
Reserved
1001
010
NOTES:
The LM75 is not electrically compatible with SMBus addressing. The 4-bit fixed address used by the LM75 is currently invalid
under Revision 1.0 of the System Management Bus Specification from Intel.
After consulting your local Intel Sales Representative, refer to the datasheet for the LM75 digital thermometer for complete
device programming details.
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