参数资料
型号: RJ80530VY700256
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 700 MHz, MICROPROCESSOR, PBGA479
封装: MICRO, FCBGA-479
文件页数: 9/101页
文件大小: 2159K
代理商: RJ80530VY700256
Mobile Intel Celeron Processor Features
R
Mobile Intel
Celeron Processor (0.13 ) in
15
Micro-FCBGA and Micro-FCPGA Packages Datasheet
Asserting the STPCLK# signal while in the Auto Halt state will cause the processor to transition to the
Quick Start state. Deasserting STPCLK# will cause the processor to return to the Auto Halt state
without issuing a new Halt bus cycle.
The SMI# interrupt is recognized in the Auto Halt state. The return from the System Management
Interrupt (SMI) handler can be to either the Normal state or the Auto Halt state. See the Intel
Architecture Software Developer’s Manual, Volume III: System Programmer’s Guide for more
information. No Halt bus cycle is issued when returning to the Auto Halt state from the System
Management Mode (SMM).
The FLUSH# signal is serviced in the Auto Halt state. After the on-chip and off-chip caches have been
flushed, the processor will return to the Auto Halt state without issuing a Halt bus cycle. Transitions in
the A20M# and PREQ# signals are recognized while in the Auto Halt state.
Figure 1. Clock Control States
Quick Start
Normal
HS=false
Deep Sleep 2
HALT/Grant
Snoop
Auto Halt
HS=true
STPCLK#1
BCLK stopped
or DPSLP#
snoop
occurs
BCLK on
and !DPSLP#
(!STPCLK# and !HS)
or RESET#
snoop
serviced
HLT
instruction1
snoop
serviced
snoop
occurs
STPCLK#1
!STPCLK#
and HS
halt
break
V0001-022
NOTES:
1. State transition does not occur until the Stop Grant or Auto Halt acknowledge bus cycle completes
Halt break – A20M#, BINIT#, FLUSH#, INIT#, INTR, NMI, PREQ#, RESET#, SMI#, or APIC interrupt
HLT – HLT instruction executed
HS – Processor Halt State
2. Restrictions apply to the use of both methods of entering Deep Sleep. See Deep Sleep state description for details.
2.2.4
Quick Start State
The processor is required to be configured for the Quick Start state by strapping the A15# signal low. In
the Quick Start state the processor is only capable of acting on snoop transactions generated by the
system bus priority device. Because of its snooping behavior, Quick Start can only be used in a
uniprocessor (UP) configuration.
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