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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： | 74/91页 |
| 文件大小： | 1142K |
| 代理商： | RH80532NC021256 |
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76
Datasheet
BINIT#
Input/
Output
BINIT# (Bus Initialization) may be observed and driven by all processor FSB agents
and if used, must connect the appropriate pins of all such agents. If the BINIT#
driver is enabled during power-on configuration, BINIT# is asserted to signal any
bus condition that prevents reliable future operation.
If BINIT# observation is enabled during power-on configuration, and BINIT# is
sampled asserted, symmetric agents reset their bus LOCK# activity and bus
request arbitration state machines. The bus agents do not reset their IOQ and
transaction tracking state machines upon observation of BINIT# activation. Once
the BINIT# assertion has been observed, the bus agents will re-arbitrate for the
FSB and attempt completion of their bus queue and IOQ entries.
If BINIT# observation is disabled during power-on configuration, a central agent
may handle an assertion of BINIT# as appropriate to the error handling architecture
of the system.
BNR#
Input/
Output
BNR# (Block Next Request) is used to assert a bus stall by any bus agent who is
unable to accept new bus transactions. During a bus stall, the current bus owner
cannot issue any new transactions.
BPM[5:0]#
Input/
Output
BPM[5:0]# (Breakpoint Monitor) are breakpoint and performance monitor signals.
They are outputs from the processor which indicate the status of breakpoints and
programmable counters used for monitoring processor performance. BPM[5:0]#
should connect the appropriate pins of all mobile Celeron processor FSB agents.
BPM4# provides PRDY# (Probe Ready) functionality for the TAP port. PRDY# is a
processor output used by debug tools to determine processor debug readiness.
BPM5# provides PREQ# (Probe Request) functionality for the TAP port. PREQ# is
used by debug tools to request debug operation of the processor.
Please refer to the Mobile Intel
Pentium
4 Processor-M and Intel
845MP/
845MZ Chipset Platform Design Guide
for more detailed information.
These signals do not have on-die termination and must be terminated on the
system board.
BPRI#
Input
BPRI# (Bus Priority Request) is used to arbitrate for ownership of the processor
FSB. It must connect the appropriate pins of all processor FSB agents. Observing
BPRI# active (as asserted by the priority agent) causes all other agents to stop
issuing new requests, unless such requests are part of an ongoing locked
operation. The priority agent keeps BPRI# asserted until all of its requests are
completed, then releases the bus by deasserting BPRI#.
BR0#
Input/
Output
BR0# drives the BREQ0# signal in the system and is used by the processor to
request the bus. During power-on configuration this pin is sampled to determine the
agent ID = 0.
This signal does not have on-die termination and must be terminated.
BSEL[1:0]
Output
BSEL[1:0] (Bus Select) are used to select the processor input clock frequency.
Table 5 defines the possible combinations of the signals and the frequency
associated with each combination. The required frequency is determined by the
processor, chipset and clock synthesizer. All agents must operate at the same
frequency. The mobile Celeron processor operates at a 400-MHz FSB frequency
(100-MHz BCLK[1:0] frequency). For more information about these pins, including
termination recommendations refer to Section 2.6 and the appropriate platform
design guidelines.
COMP[1:0]
Analog
COMP[1:0] must be terminated on the system board using precision resistors.
Refer to the Mobile Intel
Pentium
4 Processor-M and Intel
845MP/845MZ
Chipset Platform Design Guide
for details on implementation.
Table 35. Signal Description (Sheet 2 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 |
| RH80532NC029256 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microprocessor |
| RH80532NC033256 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microprocessor |
| 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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