參數(shù)資料
型號(hào): BX80532PG3000D
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 3000 MHz, MICROPROCESSOR, XGA478
封裝: BOXED PROCESSOR
文件頁數(shù): 61/88頁
文件大小: 1502K
代理商: BX80532PG3000D
64
Intel Pentium 4 Processor on 0.13 Micron Process Datasheet
Pin Lists and Signal Descriptions
RSP#
Input
RSP# (Response Parity) is driven by the response agent (the agent responsible
for completion of the current transaction) during assertion of RS[2:0]#, the
signals for which RSP# provides parity protection. It must connect to the
appropriate pins of all processor system bus agents.
A correct parity signal is high if an even number of covered signals are low and
low if an odd number of covered signals are low. While RS[2:0]# = 000, RSP# is
also high, since this indicates it is not being driven by any agent guaranteeing
correct parity.
SKTOCC#
Output
SKTOCC# (Socket Occupied) will be pulled to ground by the processor. System
board designers may use this pin to determine if the processor is present.
SLP#
Input
SLP# (Sleep), when asserted in Stop-Grant state, causes the processor to enter
the Sleep state. During Sleep state, the processor stops providing internal clock
signals to all units, leaving only the Phase-Locked Loop (PLL) still operating.
Processors in this state will not recognize snoops or interrupts. The processor
will only recognize the assertion of the RESET# signal, deassertion of SLP#, and
removal of the BCLK input while in Sleep state. If SLP# is deasserted, the
processor exits Sleep state and returns to Stop-Grant state, restarting its internal
clock signals to the bus and processor core units.
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 enters 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 deassertion of RESET# the processor will tristate
its outputs.
STPCLK#
Input
Assertion of STPCLK# (Stop Clock) 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
system bus and APIC units. The processor continues to snoop bus transactions
and service interrupts while in Stop-Grant state. When STPCLK# is deasserted,
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[12:8]
TESTHI[5:0]
Input
TESTHI[12:8] and TESTHI[5:0] must be connected to a VCC power source
through a resistor for proper processor operation. See Section 2.5 for more
details.
THERMDA
Other
Thermal Diode Anode. See Section 6.3.1.
THERMDC
Other
Thermal Diode Cathode. See Section 6.3.1.
Table 4-3. Signal Descriptions (Sheet 7 of 8)
Name
Type
Description
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