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参数资料
| 型号： | RK80532PG072512 |
| 厂商： | INTEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 2800 MHz, MICROPROCESSOR, PGA478 |
| 封装： | FLIP CHIP, MICRO, PGA-478 |
| 文件页数： | 52/79页 |
| 文件大小： | 2634K |
| 代理商： | RK80532PG072512 |
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56
Intel Pentium 4 Processor on 90 nm Process Datasheet
Pin List and Signal Description
IGNNE#
Input
IGNNE# (Ignore Numeric Error) is asserted to force the processor to ignore a
numeric error and continue to execute noncontrol floating-point instructions. If
IGNNE# is de-asserted, the processor generates an exception on a noncontrol
floating-point instruction if a previous floating-point instruction caused an error.
IGNNE# has no effect when the NE bit in Control Register 0 (CR0) is set.
IGNNE# is an asynchronous signal. However, to ensure recognition of this signal
following an input/output write instruction, it must be valid along with the TRDY#
assertion of the corresponding input/output write bus transaction.
INIT#
Input
INIT# (Initialization), when asserted, resets integer registers inside the processor
without affecting its internal caches or floating-point registers. The processor
then begins execution at the power-on Reset vector configured during power-on
configuration. The processor continues to handle snoop requests during INIT#
assertion. INIT# is an asynchronous signal and must connect the appropriate
pins of all processor FSB agents.
If INIT# is sampled active on the active-to-inactive transition of RESET#, then
the processor executes its Built-in Self-Test (BIST).
ITP_CLK[1:0]
Input
ITP_CLK[1:0] are copies of BCLK that are used only in processor systems
where no debug port is implemented on the system board. ITP_CLK[1:0] are
used as BCLK[1:0] references for a debug port implemented on an interposer. If
a debug port is implemented in the system, ITP_CLK[1:0] are no connects in the
system. These are not processor signals.
LINT[1:0]
Input
LINT[1:0] (Local APIC Interrupt) must connect the appropriate pins of all APIC
Bus agents. When the APIC is disabled, the LINT0 signal becomes INTR (a
maskable interrupt request signal) and LINT1 becomes NMI (a nonmaskable
interrupt). INTR and NMI are backward compatible with the signals of those
names on the Pentium processor. Both signals are asynchronous.
Both of these signals must be software configured via BIOS programming of the
APIC register space to be used either as NMI/INTR or LINT[1:0]. Because the
APIC is enabled by default after Reset, operation of these pins as LINT[1:0] is
the default configuration.
LOCK#
Input/
Output
LOCK# indicates to the system that a transaction must occur atomically. This
signal must connect the appropriate pins of all processor FSB agents. For a
locked sequence of transactions, LOCK# is asserted from the beginning of the
first transaction to the end of the last transaction.
When the priority agent asserts BPRI# to arbitrate for ownership of the processor
FSB, it will wait until it observes LOCK# de-asserted. This enables symmetric
agents to retain ownership of the processor FSB throughout the bus locked
operation and ensures the atomicity of lock.
MCERR#
Input/
Output
MCERR# (Machine Check Error) is asserted to indicate an unrecoverable error
without a bus protocol violation. It may be driven by all processor FSB agents.
MCERR# assertion conditions are configurable at a system level. Assertion
options are defined by the following options:
Enabled or disabled.
Asserted, if configured, for internal errors along with IERR#.
Asserted, if configured, by the request initiator of a bus transaction after it
observes an error.
Asserted by any bus agent when it observes an error in a bus transaction.
For more details regarding machine check architecture, refer to the IA-32
Software Developer’s Manual, Volume 3: System Programming Guide.
OPTIMIZED/
COMPAT#
Input
This signal should be left as a no connect on the baseboard to indicate that the
baseboard supports the Intel Pentium 4 processor on 90 nm process. This
input has a weak internal pull-up.
Table 25. Signal Description (Page 5 of 8)
Name
Type
Description
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RK80532PG072512S L6WJ | 制造商:Intel 功能描述:MPU Pentium 制造商:Intel 功能描述:MPU Pentium? 4 Processor 64-Bit 0.13um 2.8GHz 478-Pin FCPGA2 |
| RK80532PG080512 | 制造商:Intel 功能描述:P4 3.0GHZ 800MHZ FSB - Trays |
| RK80532PG080512SL6WK | 制造商:Intel 功能描述:MPU Pentium? 4 Processor NetBurst 64-Bit 0.13um 3GHz 478-Pin FCPGA2 |
| RK80532PG0882M | 制造商:Intel 功能描述:MPU PENTIUM 4 PROCESSOR NETBURST 64-BIT 0.13UM 3.2GHZ 478-P - Trays |
| RK80532PG096512 | 制造商:Intel 功能描述:MPU PENTIUM 4 PROCESSOR NETBURST 64-BIT 0.13UM 3.4GHZ - Trays |
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