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IBM25PPC750L-GB500AD2R 参数 Datasheet PDF下载

IBM25PPC750L-GB500AD2R图片预览
型号: IBM25PPC750L-GB500AD2R
PDF下载: 下载PDF文件 查看货源
内容描述: [RISC Microprocessor, 32-Bit, 500MHz, CMOS, CBGA360,]
分类和应用: 外围集成电路
文件页数/大小: 54 页 / 1135 K
品牌: IBM [ IBM ]
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PowerPC 740 and PowerPC 750 Microprocessor  
CMOS 0.20 µm Copper Technology, PID-8p, PPC740L and PPC750L, dd3.2  
Errata Summary  
For errata details, see the PowerPC 750-PID 8p Microprocessor Errata List  
#
1
Problem  
Description  
Impact  
Solution(s)  
Applies to  
Version 3.2  
L2 cache invalidate may If DPM is enabled during a Possible system failure after Turn DPM off during a  
fail with DPM enabled.  
Yes  
Yes  
Yes  
global invalidate of the L2 L2 initialization and start-up. L2 tag invalidate.  
cache, the global invali-  
date may not invalidate all  
the L2’s tags.  
3
5
8
dcbz that hits in L1  
cache may not retry  
snoop.  
If a dcbz hits in the L1  
cache, a snoop received memory may be read by the data that is protected  
at the same time to that  
address may not be ser- line may become valid in  
Stale data from system  
Limit use of dcbz to  
other bus master, and the  
through software syn-  
chronization.  
viced or get retried.  
multiple caches.  
Segment register  
updates may corrupt  
data translation.  
mtsr<in> followed by an  
Possible access to incorrect Insert isync, sc, or rfi  
instruction causing a page real address locations or  
data address translation false translation and data  
can cause contention for access exceptions.  
the segment registers.  
between andy mtsr<in>  
and instructions that  
cause a page data  
address translation.  
Stfd of uninitialized FPR A stfd will hang the part if Any system using a stfd.  
Initialize all FPRs at  
POR.  
Yes  
Yes  
(Advisory) can hang part.  
its source FPR has pow-  
ered up in a certain state.  
11  
Thermal Assist Unit  
Actual TAU errors are dif- If TAU reads higher than  
Re-evaluate system  
(TAU) accuracy specifi- ferent than those speci-  
expected, false temperature thermal design require-  
cation error in dd3.2  
Datasheet  
ficed.  
alarms can occur.  
ments and calibrate the  
TAU.  
If TAU reads lower than  
expected, it can fail to signal  
a temperature alarm.  
9/6/2002  
Version 2.0  
Page44  
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