參數(shù)資料
型號(hào)： BX80557E2140
廠商： INTEL CORP
元件分類(lèi)： 微控制器/微處理器
英文描述： MICROPROCESSOR, PBGA775
封裝： LGA-775
文件頁(yè)數(shù)： 76/107頁(yè)
文件大?。?/td> 1474K
代理商： BX80557E2140
Land Listing and Signal Descriptions
70
Datasheet
RS[2:0]#
Input
RS[2:0]# (Response Status) are driven by the response agent (the
agent responsible for completion of the current transaction), and
must connect the appropriate pins/lands of all processor FSB agents.
SKTOCC#
Output
SKTOCC# (Socket Occupied) will be pulled to ground by the
processor. System board designers may use this signal to determine
if the processor is present.
SMI#
Input
SMI# (System Management Interrupt) is asserted asynchronously
by system logic. On accepting a System Management Interrupt, the
processor saves the current state and enter System Management
Mode (SMM). An SMI Acknowledge transaction is issued, and the
processor begins program execution from the SMM handler.
If SMI# is asserted during the de-assertion of RESET#, the
processor will tri-state its outputs.
STPCLK#
Input
STPCLK# (Stop Clock), when asserted, causes the processor to
enter a low power Stop-Grant state. The processor issues a Stop-
Grant Acknowledge transaction, and stops providing internal clock
signals to all processor core units except the FSB and APIC units.
The processor continues to snoop bus transactions and service
interrupts while in Stop-Grant state. When STPCLK# is de-asserted,
the processor restarts its internal clock to all units and resumes
execution. The assertion of STPCLK# has no effect on the bus clock;
STPCLK# is an asynchronous input.
TCK
Input
TCK (Test Clock) provides the clock input for the processor Test Bus
(also known as the Test Access Port).
TDI
Input
TDI (Test Data In) transfers serial test data into the processor. TDI
provides the serial input needed for JTAG specification support.
TDO
Output
TDO (Test Data Out) transfers serial test data out of the processor.
TDO provides the serial output needed for JTAG specification
support.
TESTHI[13:0]
Input
TESTHI[13:0] must be connected to the processor’s appropriate
power source (refer to VTT_OUT_LEFT and VTT_OUT_RIGHT signal
description) through a resistor for proper processor operation. See
Section 2.5 for more details.
THERMDA
Other
Thermal Diode Anode. See Section 5.3.
THERMDC
Other
Thermal Diode Cathode. See Section 5.3.
Table 25.
Signal Description (Sheet 7 of 9)
Name
Type
Description
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