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| 型號： | pentium processor |
| 廠商： | Intel Corp. |
| 英文描述： | 32 Bit Processor With MMX And Mobile Module(32位帶移動模塊和MMX技術(shù)CPU) |
| 中文描述： | 32位處理器MMX和移動模塊（32位帶移動模塊和MMX公司技術(shù)的CPU） |
| 文件頁數(shù)： | 11/35頁 |
| 文件大?。?/td> | 550K |
| 代理商： | PENTIUM PROCESSOR |
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E
INTEL PENTIUM PROCESSOR WITH MMX TECHNOLOGY MOBILE MODULE
11
9/19/97 1:03 PM SPEIDEN_.DOC
2.1.4.
(8 SIGNALS)
POWER MANAGEMENT
Table 5 lists the
Intel Mobile Module’s Power
Management signals. The SM_CLK and SM_DATA
signals refer to the two-wire serial SMBus
interface.
Although this interface is currently used solely for
the digital thermometer thermal sensor, there are
reserved serial addresses for future use.
Table 5. Power Management Signal Descriptions
Name
Type
Voltage
Description
*OEM_PU
I
V_3
OEM Pull-up:
A pull up resistor of 10K ohms is required on
OEM_PU.
L2_ZZ
I
V_3
Low-Power Mode For Cache SRAM:
This pin is used to power
down the L2 cache SRAMs . See PIIX4 ISA Bridge External
Architecture Specification (Order Number 290562-001) on ZZ.
SUS_STAT#
I
V_3ALWAYS
Suspend Status:
This signal connects to the SUS_STAT1#
output of the PIIX4. It provides information on the host clock
status and is asserted during all suspend states..
VR_ON
I
V_3S
VR_ON:
Voltage regulator on.
This 3.3V signal controls the
operation of the Intel Mobile Module’s voltage regulator.
This is
generated from the PIIX4 ISA bridge SUSB# signal for controlling
the “Suspend State B” voltage planes.
VR_PWRGD
O
V_3S
VR_PWRGD:
Driven by the Intel Mobile Module to indicate the
voltage regulator is stable.
Can be used in some combination to
generate the system PWRGOOD signal.
SM_CLK
I
V_3
Serial Clock:
Clock signal used on the SMBUS - SMBus
interface to the digital thermometer.
SM_DATA
I/O
V_3
Serial Data:
Data signal on the SMBUS - SMBus interface to the
digital thermometer.
*ATF_INT#
O
V_3
ATF Interrupt:
Output signal of the digital thermometer.
See
National Semiconductor LM75 specification for pull up values.
NOTES:
Signals marked with an * are Open Drain and require the I/O module to Pull them up. The Intel Mobile
Module does not provide a pull up or pull down on these signals!
V_3ALWAYS is the 3.3V continuous supply. This voltage is generated whenever V_DC is available and
supplied to the PIIX4 resume well.
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