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参数资料
| 型号： | RH80532NC021256 |
| 厂商： | INTEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 1500 MHz, MICROPROCESSOR, CPGA478 |
| 封装： | MICRO, FLIP CHIP, PGA-478 |
| 文件页数： | 79/91页 |
| 文件大小： | 1142K |
| 代理商： | RH80532NC021256 |
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80
Datasheet
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, please refer to the IA-32
Software Developer’s Manual, Volume 3: System Programming Guide
.
PROCHOT#
Output
The assertion of PROCHOT# (Processor Hot) indicates that the processor die
temperature has reached its thermal limit. See Section 6 for more details.
PWRGOOD
Input
PWRGOOD (Power Good) is a processor input. The processor requires this signal
to be a clean indication that the clocks and power supplies are stable and within
their specifications. ‘Clean’ implies that the signal will remain low (capable of
sinking leakage current), without glitches, from the time that the power supplies are
turned on until they come within specification. The signal must then transition
monotonically to a high state. Figure 15 illustrates the relationship of PWRGOOD to
the RESET# signal. PWRGOOD can be driven inactive at any time, but clocks and
power must again be stable before a subsequent rising edge of PWRGOOD. It
must also meet the minimum pulse width specification in Table 20, and be followed
by a 1 to 10 ms RESET# pulse.
The PWRGOOD signal must be supplied to the processor; it is used to protect
internal circuits against voltage sequencing issues. It should be driven high
throughout boundary scan operation.
REQ[4:0]#
Input/
Output
REQ[4:0]# (Request Command) must connect the appropriate pins of all processor
FSB agents. They are asserted by the current bus owner to define the currently
active transaction type. These signals are source synchronous to ADSTB0#. Refer
to the AP[1:0]# signal description for details on parity checking of these signals.
RESET#
Input
Asserting the RESET# signal resets the processor to a known state and invalidates
its internal caches without writing back any of their contents. For a power-on Reset,
RESET# must stay active for at least one millisecond after VCC and BCLK have
reached their proper specifications. On observing active RESET#, all FSB agents
will deassert their outputs within two clocks. RESET# must not be kept asserted for
more than 10 ms while PWRGOOD is asserted.
A number of bus signals are sampled at the active-to-inactive transition of RESET#
for power-on configuration. These configuration options are described in the
This signal does not have on-die termination and must be terminated on the
system board.
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 of all processor FSB agents.
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 FSB 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.
Table 35. Signal Description (Sheet 6 of 8)
Name
Type
Description
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RH80532NC025256 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microprocessor |
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| RH80532NC049256 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| RH80532NC049256S L8SB | 制造商:Intel 功能描述:INTEL CELERON PROCESSOR AVAILABLE AT 1.60 GHZ, 1.8 GHZ, 2.00 GHZ, 2.2 GHZ |
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