參數(shù)資料
型號(hào)： pentium II cpu with mobile
廠商： Intel Corp.
英文描述： pentium II processor With On-die Cache Mobile Module Connector 2 (MMC-2)(帶緩存和連接器2的奔II處理器)
中文描述： 奔騰II處理器芯片上緩存手機(jī)模塊連接器2（絲裂霉素2）（帶緩存和連接器2的奔二處理器）
文件頁(yè)數(shù)： 14/48頁(yè)
文件大?。?/td> 537K
代理商： PENTIUM II CPU WITH MOBILE
Intel
a
Pentium
a
II Processor With On-Die Cache Mobile Module MMC-2
14
3.1.7
Power Management (7 Signals)
Table 7 lists the 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 thermal sensor, the SMBus contains reserved
serial addresses for future use. See section 4.9, “Thermal
Sensor Configuration Register” for more details.
Table 7. Power Management Signal Descriptions
Voltage
Name
Type
Description
SUS_STAT1#
I
CMOS
V_3ALWAY
1
Suspend Status:
This signal connects to the SUS_STAT1# output of PIIX4E/M. It
provides information on host clock status and is asserted during all suspend states.
VR_ON
I
CMOS
V_3
VR_ON:
Voltage regulator ON.
This 3.3-V (5.0-V tolerant) signal controls the operation
of the voltage regulator.
VR_ON should be generated as a function of the PIIX4E/M
SUSB# signal which is used for controlling the “Suspend State B” voltage planes. This
signal should be driven by a digital signal with a rise/fall time of less than or equal to 1
us. Refer to Section 4.7.2.1 ‘”Voltage Signal Definitions and Sequences.” (VIL
(max)=0.4V, VIH (min)=3.0V.)
VR_PWRGD
O
V_3
VR_PWRGD:
This signal is driven high by the Pentium II processor with on-die cache
mobile module MMC-2 to indicate that the voltage regulator is stable. The signal is
pulled low using a 100K resistor when inactive.
It can be used in some combination to
generate the system PWRGOOD signal.
BXPWROK
I
CMOS
I/O D
CMOS
I/O D
CMOS
O D
CMOS
V_3
Power OK to BX:
This signal must go active 1 mS after the V_3 power rail is stable,
and 1 ms prior to deassertion of PCIRST#.
SM_CLK
V_3
Serial Clock:
This clock signal is used on the SMBus interface to the digital thermal
sensor.
SM_DATA
V_3
Serial Data:
Open-drain data signal on the SMBus interface to the digital thermal
sensor.
ATF_INT#
V_3
ATF Interrupt:
This signal is an open-drain output signal of the digital thermal sensor.
NOTE:
1.
V_3ALWAYS: 3.3-V supply. It is generated whenever V_DC is available and supplied to PIIX4E/M resume well.
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