|
座谈主题：基于Intel® XScale(TM)技术的应用处理器及闪存技术在无线手提式和嵌入式领域的应用 |
| 在线问答 |
| [问：杨_64J7U] |
Intel公司的XScale系列处理器在那些产品中大量使用？ |
| [答：sherman] |
PDA, wireless handheld devices. |
[2003-5-29 10:10:21] |
| [问：achilles] |
Intel?
PXA255是否对802.11b有着很好的支持？它已经内嵌了部分的协议栈了吗？ |
| [答：Curtis] |
PXA255 can use PCMCIA to support 802.11bCISCO have PCMCIA
802.11b card with WinCE driver.You can use it. |
[2003-5-29 10:15:19] |
| [问：asand] |
xscale在嵌入式系统开发方面比其它的处理器有哪些优势？ |
| [答：Alan] |
There are several advantages1. lower power consumption2. higer
performance3. technical support, like reference board, driver BSP, s/w
library IPP/GPP,...Intel puts lot of effer not only on chip set
development but also provides customers better technical
supports. |
[2003-5-29 10:15:44] |
| [问：hotelcani] |
好像PXA系列没有提供以太网的接口!而且1394口也没有啊!不过我觉得PXA的好处是接口已经很多了,而且是标准接口,开发应该很方便! |
| [答：sherman] |
yes, you can use companion chip to connect ethernet. |
[2003-5-29 10:16:04] |
| [问：渡虚] |
在嵌入式工业领域，有可能要求以最高集成度简化工作。那么PXA255处理器是不是最大限度的集成了有关无线通信的相关电路？ |
| [答：Curtis] |
For Wireless interface, PXA255 can use PCMCIA for 802.11band we
have UART to support Bluetooth |
[2003-5-29 10:16:59] |
| [问：lyq-dt] |
255不是不支持USB20吗？ |
| [答：sherman] |
PXA255 did not support USB2.0 |
[2003-5-29 10:17:43] |
| [问：achilles] |
请问：产品简介中介绍到：Intel?
PXA255处理器提供业界一流的处理能力，其内部具有用于高性能和手持功能的多媒体性能。那么请问，PXA50是否带有多媒体指令？以PX250的处理能力，在不加专门的处理芯片的前提下，是否可以支持H.323的所需要的处理能力？是否已经有这种产品，如有，能达到怎样的帧速和声音效果？谢谢 |
| [答：Larry] |
PXA25x series processor not support MMX but have 5 DSP kind of
instruction. intel have IPP/GPP software library to support Audio/Video
function which run on Xscale based processor.So it don"t need another IC
to process A/V signal.Thanks. |
[2003-5-29 10:18:09] |
| [问：tyqfy] |
希望《基于Intel?
XScale(TM)技术的应用处理器及闪存技术在无线手提式和嵌入式领域的应用座谈会》，能在移动电子警务建设方面提一些好的建议。尤其是无线手提方面的产品，能针对移动警务方面的课题研制一些产品，市场潜力是很巨大的。 |
| [答：Yangjw] |
Thanks for your suggestion. and it is very good. We will look at
it. |
[2003-5-29 10:18:17] |
| [问：Lian
feng_li] |
（1）作为3G移动终端的应用处理器，XScale如何和Digital
Camera相连？（2）XScale对于MPEG4和H.263等编解码的支持怎样，如果用这两种算法将占用多少处理器资源？能否给出一个评估？ |
| [答：Curtis] |
XScale can support H.264, as I knew at QVGA resolutionPXA255 can
get 43 frame per second.XScale do not have didital camera
interface. |
[2003-5-29 10:18:18] |
| [问：liurui
heng] |
PXA255是否支持由外设唤醒该芯片，由空闲态进入激活态 |
| [答：Larry] |
Yes. |
[2003-5-29 10:18:19] |
| [问：lyq-dt] |
IPP占用的CPU的资源和时间大概是多少？谢谢 |
| [答：sherman] |
It depends on what kind IPP you use. IPP is optimized by intel expert,
it will consume system resource as less as possible. |
[2003-5-29 10:18:33] |
| [问：yang
yangemail] |
1,怎样连接1024x768的LCD屏，给出连接示例。并推荐LCD的型号？要注意些什么？ |
| [答：Alan] |
For performance issue, we don"t suggest customer to connect PXA2xx to
bigger LCD like 1024x768, but 800x600 is no problem. you may need an
external graphic controller to hand 1024x768 LCD |
[2003-5-29 10:18:42] |
| [问：杨_64J7U] |
Intel公司的XScale系列处理器采用什么样的开发工具和软件？ |
| [答：Larry
kwok] |
For Microsoft OS: you can use CE.NET
4.2 Palm OS: you can use
ADS1.X Linux OS: GNU tool chainsIntel also
develop NDT to support Xscale Architecure. Check our intel web site for
more detail about the tools supporting Xscale. |
[2003-5-29 10:18:52] |
| [问：may
snow] |
你们关于LUBBOCK开发板的电路原理图中，没有关于PXA250的VSS,VSSN,VSSQ方面的连接，请问对于这三种地，我是共用一个地呢，还是分开后再共用一点地？谢谢 |
| [答：Curtis] |
send me email <curtis.lee@intel.com>Then, I can mail you
layout guide line. |
[2003-5-29 10:19:04] |
| [问：jimmyq] |
What is Xscale Mips benchmark |
| [答：sherman] |
There are many benchmark can run, Dhrystone 2.1 is popular
one. |
[2003-5-29 10:19:16] |
| [问：mikeyao] |
我公司想研制多媒体移动通信终端，能否采用基于Intel?
XScale(TM)技术的应用处理器及闪存技术。请提供完整的解决方案。 |
| [答：Larry] |
Yes. PXA2xx+ Strata flash+LCD+CF crad(GSM/GPRS or GPS).Many
customers already used this like HP,SONY,LEGEND etc |
[2003-5-29 10:20:13] |
| [问：qin] |
PXA255处理器是否要代替PXA250处理器？是升级产品还是替代产品？能直接替换码？ |
| [答：sherman] |
Yes, You can replace PXA250 by PXA255 but you need to change on the
software, for example, processor id is different. And also PXA255 has more
feature than PXA250. |
[2003-5-29 10:20:16] |
| [问：q16094] |
Xscale 对移动终端中的电源有什么特殊要求？
和一般的嵌入式处理器方案有什么区别？ |
| [答：Alan] |
There are several power supplies for XScale application,VCC_core,
VCC_IO, VCC_MEM,...for each differet power, you need to sever a
different voltage to optimize your power consumption |
[2003-5-29 10:20:45] |
| [问：wasuke] |
PXA255怎样支持MPEG4，能详细谈一下吗 |
| [答：
sherman] |
You can include intel IPP to develope your mpeg4 codec. Check our ipp
website for more detail information. |
[2003-5-29 10:20:54] |
| [问：achilles] |
Intel?
PXA255处理器的多媒体指令是否可以同事完成MPEG-4的编码和解码工作？是否已经有相应的产品？ |
| [答：Larry
kwok] |
we support H.264 format . please check our IPP library in
developer.intel.com web site for more detail |
[2003-5-29 10:21:14] |
| [问：joel] |
能否介绍一下有关Intel@XScale嵌入式设计比较详细的一个流程？再者Intel的嵌入式开发与Xilinx等可编程产品是否有关联？非常感谢。 |
| [答：Curtis] |
I don"t know first question....Xilinx products are different
with Intel XScale.XScale is 2nd generation of StrongARM.You
can download detail documents from following
website
http://developer.intel.com/design/pca/applicationsprocessors
/manuals/index.htm |
[2003-5-29 10:22:04] |
| [问：pliang68] |
What"s the difference between PXA800 and
PXA250/255? |
| [答：sherman] |
PXA800 has DSP included, but pxa255/250 did not include dsp.So,
you can use pxa800 to design phone. PXA255/250 design PDA, or design with
the other baseband for your phone design. |
[2003-5-29 10:22:40] |
| [问：hdqiang] |
PXA255与AMD公司的的AU1100主要区别在哪里？PXA255对有线网络的支持怎样？ |
| [答：Curtis] |
AMD AU1100 is MIPS solution... it takes more power consumption than
PXA255PXA255 can support 10/100 eithernet |
[2003-5-29 10:23:16] |
| [问：liubing] |
Intel?
XScale(TM)技术在家庭影院技术中的应用前景如何？如：多声道音箱间的连接，以及同中央控制器之间的无线连接技术前景？如何确保无限连接不损失音频信号的质量？ |
| [答：Heyx] |
Intel 已成功的设计并发布了Digital HOme 系列产品，用于家庭音视频娱乐应用。其中与电视等家电相接的机顶盒采用PXA255.
全部通过无线连接，802.11。音频信号所需频带宽度很小，不会损失信号质量。 |
[2003-5-29 10:23:18] |
| [问：hep
haestos] |
XScale开发系统的售价大概是多少，如果用Intel提供的开发板设计手持设备，开发周期为多长，国内公司是否有成熟的开发套件，性价比与原装套件是否有竞争优势？ |
| [答：sherman] |
Please check your intel account FSE. |
[2003-5-29 10:23:50] |
| [问：jean
welly2002] |
请问：XScale在嵌入式开发中较其它嵌入式CPU有哪些优势？谢谢 |
| [答：Alan] |
1. lower power cunsumption2. higer performance, 400 MHz3.
Intel provide reference board, complete driver BSP, s/w library IPP/GPP,
lots of 3rd parties doing related h/w, s/w support |
[2003-5-29 10:24:01] |
| [问：joyme] |
相对于德州仪器的OMAP系列产品，XScale有什么过人之处？还有哪里可以找到中文说明书？ |
| [答：Curtis] |
We have IPP free software for user to design their systemwithout
using hardware DSP. |
[2003-5-29 10:24:54] |
| [问：yangyh] |
我们感觉INTEL的PXA255，功耗方面还是偏大，对于手持式产品而言，这是令人比较头痛的，在下一代的嵌入式CPU方面，请问INTEL有何对策？Tks! |
| [答：
sherman] |
In the next generation cpu, intel will provide more power effective
cpu. |
[2003-5-29 10:25:34] |
| [问：
chen6524] |
Intel XScale
处理器的指令与以前Intel系列处理器指令是否兼容，其软件开发平台师基于C/C++,是否支持TCP/IP协议栈的开发.... |
| [答：
Larrykwok] |
Intel Xscale instruction set is ARMV5 compatible. not compatible to
Intel IA.TCP/IP is layer 3/4 , please state your question
clearly. |
[2003-5-29 10:26:29] |
| [问：zcr321] |
1、Intel Xscale处理器的价格为多少？2、Intel
Xscale处理器的处理能力与X86的哪个产品相当？3、该处理器的技术发展前景？4、该处理器在工业环境中应用的抗干扰能力如何？ |
| [答：Larry] |
1.depend on your qty & model from us$1x.00-3x.002.Its RISC
processor and X86 is CISC so hard to compare3.There are lot of demand
on low power consumption and high performence SoC. And its the
embedded applicationbest choice.4.Some of our ctms used it as
military mini-computer(notebook) and can work in -40 to +85C
temperature. |
[2003-5-29 10:26:37] |
| [问：fanjiam] |
我打算使用PXA255 400Mhz的cpu直接驱动640×480的16位TFT
LCD，不知能不能流畅播放MPEG4的视频信号，使用软件解压？ |
| [答：
sherman] |
It depends on what frame rate you need. For 320x240x16 bit, pxa255 can
play around 25 frame per sec MPEG4 decode. |
[2003-5-29 10:27:07] |
| [问：Lian
feng_li] |
How can PXA25x support Digital
Camera? |
| [答：Alan] |
1. you can use SSP interface connect to camera module,2. or use a
external USB host controller and connect to USB camera3. or use a FPGA
to implement a interface to camera.we have a application note talking
about that, you can call Intel FAE to get it. |
[2003-5-29 10:27:53] |
| [问：lizhao
sheng] |
Intel?
XScale(TM)技术的应用处理器最小能做到多大？ |
| [答：Curtis] |
PXA260, 261, 262, 263 have 13x13 mm package 294 pin package with Flash
inside |
[2003-5-29 10:28:01] |
| [问：jimy_li] |
INTEL有无提供采用XSCALE处理器和闪存结合的应用方案的高速总线布线指南。如果有，何时需要什么条件才可以获得？ |
| [答：Vincent] |
Yes, we have Intel flash layout guidelines and design guide for
interfacing Intel Xscale-based processors to Intel flash memory.
Those documents are published on URL,
http://deveopler.intel.com/design/flashPlease select the documentation
and application notes to get them. Thx. |
[2003-5-29 10:28:15] |
| [问：zhang
hujun1971] |
我们想开发基于PDA的无线数据传输仪器,请问专家采取何种开发硬件和软件的性价比最好.如何购买?谢谢 |
| [答：Larry] |
PXA255+intel strata flash + Bluetooth/GPRS andWindowCE or Embedded
Linux is mature and cost effectivechoice |
[2003-5-29 10:28:26] |
| [问：lyq-dt] |
那在刚才的演示稿中有一个典型的应用中说提供了USB20，这个是怎么实现的呢？这个USB20的外设是挂在那儿，存储器总线上？谢谢 |
| [答：Curtis] |
add 3rd party chip for PXA255 |
[2003-5-29 10:29:43] |
| [问：wyb] |
闪存和高性能的MCU的功耗比较大，有好的解决办法吗？XScale及其外围的成本是多少，有什么竞争优势。 |
| [答：Larry] |
PXA255 is SoC processor and only need SDRAM,Flash to forma high
performence/low power consumption embedded system |
[2003-5-29 10:30:26] |
| [问：ljp] |
能否介绍PXA255用在手机上的成功案例？ |
| [答：
sherman] |
We have some customers will announce the PXA255 smart phone recently.
Please check on the media.thanks! |
[2003-5-29 10:31:34] |
| [问：qin] |
PXA255的功耗有多少？在手机应用中功耗是很重要的。 |
| [答：Curtis] |
Vcc_core 1.3V at 400MhzPlease send me email
<curtis.lee@intel.com>I will find power consumption information
for you. |
[2003-5-29 10:31:39] |
| [问：fanjiam] |
有什么办法可以在PXA255的基础上扩展出IDE接口？ |
| [答：Curtis] |
Steve_Hou [steve_hou@prospect.com.tw]They have USB to IDE
solution |
[2003-5-29 10:32:55] |
| [问：hitzjm] |
在工业控制中，数控机床的数控系统操作系统用linux,硬件上采用intel的哪款处理器比较好 |
| [答：
sherman] |
It depends on performance you need. PXA255 has the lower power
consumption. |
[2003-5-29 10:33:29] |
| [问：
duanjian] |
1、cpu处理速度？2、是否可外扩存储器，空间多大？3、价格？4、需要那些配套硬件及软件？5、体积大小？ |
| [答：Heyx] |
1，PXA255 有200MHz, 300MHz, 400MHz 的产品可选择。2, 可外扩多种存储器，4GB.3,
请询问相关代理商。4, 取决于您的应用。Intel 又针对不同操作系统的开发工具，针对不同应拥有多种软件包可选择。5,
17mm*17mm如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 10:33:34] |
| [问：
maysnow] |
请问在什么样的情况下，我才需要另外增加lcd处理芯片，也就是说，pxa255对lcd的支持是怎样的，谢谢！ |
| [答：Alan] |
the size is over 800x600 |
[2003-5-29 10:33:37] |
| [问：
stanleylee] |
XScale有没有成本优势？目前在中国大陆GPRS网速条件下，能做什么样的应用呢？如果MPEG4用硬件实现，那么为何要用XScale?谢谢！ |
| [答：Larry] |
Yes. It can be used to surf web and at same time listen music or
watching MPEG4 movie.It will add additional cost to use MPEG4 hardware
anduse Xscale processor all you need to do is upgrade softwareand
don"t need buy new machine which include different kind of hardware
accelerator |
[2003-5-29 10:34:05] |
| [问：ecnan
jing_EBY7E] |
PXA255有没有模拟I/O口，即AD/DA口? |
| [答：
sherman] |
we don"t have AD/DA on PXA255. |
[2003-5-29 10:34:22] |
| [问：Lian
feng_li] |
Can PXAxxx support Nucleas or
OSE? |
| [答：Larry] |
Nucleas is OK.But I don"t know what is OSE? |
[2003-5-29 10:34:55] |
| [问：lyq-dt] |
if we design 3g phone with PXA255, what
interface is used to connect with baseband chip? thank you! |
| [答：
sherman] |
you can use uart, ssp, pcmcia interface. |
[2003-5-29 10:35:44] |
| [问：
jerry.wood] |
如果想用Intel的XScale处理器开发PDA手机,如何获得开发平台? |
| [答：Heyx] |
您可再Intel的网站上找到相应代理商的联系方式。请留下联系方式，公司名称，我们会尽快与您联系，谢谢！ |
[2003-5-29 10:36:12] |
| [问：hitzjm] |
运行在strongarm
和xscale上的程序兼容性是多少？在strongarm上跑的嵌入式linux，在向xscale上移植时都需要修改相关得哪几部分？ |
| [答：
Larrykwok] |
Xscale instruction set is ARM V5TE, StrongArm is a processor which the
core of instruction set is ARM V4.check ARM web site for the
difference of instruction set.If StrongArm is ported to PXA25X or
PXA26X(with Xscale core), bootcode should be changed, and also the driver
of peripheral is different. please check the following web
site:http://developer.intel.com/design/pca/
applicationsprocessors/index.htm |
[2003-5-29 10:36:13] |
| [问：jhguoxy] |
Xscale只支持USB1.1 Client
接口，如何开发Server接口？你们是否提供驱动程序？ |
| [答：Curtis] |
We have BSP for USB 1.1 client driver.So, you can use it with
ActiveSYNC with PC. |
[2003-5-29 10:36:35] |
| [问：ecnan
jing_EBY7E] |
PAX255处理器能不能支持低电压的SDRAM,Flash(如2.5V)? |
| [答：Vincent] |
Yes, it can support low power SDRAM and flash with 2.5V I/O. |
[2003-5-29 10:36:39] |
| [问：jimmyq] |
What is the figure when running Dhrystone
2.1 |
| [答：Larry] |
our new Xscale processor when run at 416Mhz is 255mw |
[2003-5-29 10:37:06] |
| [问：
maysnow] |
请问，关于intel的开发板上的sram,它的大小取决于哪一方面，主要起什么作用，有什么资料可以参考吗，谢谢 |
| [答：Curtis] |
Lubbock board only have SDRAM and Flash. No SRAM. |
[2003-5-29 10:37:38] |
| [问：hitzjm] |
机床的数控系统，我们软件用linux，硬件用intel哪款处理器较好？ |
| [答：
sherman] |
It depends on your requirement. |
[2003-5-29 10:39:00] |
| [问：
maysnow] |
请问一下，为什么在LUBBOCK开发板上，需要有很多高功率电阻，如有很多达到10W,真的需要这么高功率的电阻吗，可以说明一下吗，谢谢！ |
| [答：Curtis] |
Maybe for safety... usually customer don"t use our
Lubbockschematics to do PDA or Smartphone design. |
[2003-5-29 10:39:17] |
| [问：ljp] |
PXA255的存储器总线带款有多少？ |
| [答：Heyx] |
内部的总线带宽使CPU RUN MOde
的一半。如ＣＰＵ ＲＵＮ Ｍｏｄｅ ４００ＭＨｚ， Ｐｘ ｂｕｓ 为２００ＭＨｚ．如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 10:39:50] |
| [问：fanjiam] |
PXA255 与PXA250的 JATG工具、软件相同吗？ |
| [答：Larry] |
Exact Same. |
[2003-5-29 10:39:59] |
| [问：brian
zheng] |
usb接口 HOST 还是 SLAVE |
| [答：
sherman] |
slave. |
[2003-5-29 10:40:31] |
| [问：
maysnow] |
我现在正在做有关pxa250的项目，处在排版布线的过程中，由于排版面积的限制，需要限制过孔、焊盘等的大小，又由于第一次布多层板，没经验，我想问一下，有没有关于这方面的资料，或者说,有没有intel
开发板的PCB方面的资料可以借参考一下，谢谢！ |
| [答：Curtis] |
I have PCBLAYOUT guide.Please send me email for getting PCB layout
guide.Please ask your FAE to get layout guide from <Intel ADC
Curtis LEE>. |
[2003-5-29 10:40:39] |
| [问：
pyzhang8] |
我们对Intel的PXA800F无线处理器比较感兴趣，想询问一下其开发工具的具体情况 |
| [答：Heyx] |
请留下联系方式，公司名称，我们会尽快与您联系，谢谢！ |
[2003-5-29 10:41:03] |
| [问：eluxin] |
Intel PXA250 和PXA255的区别？ |
| [答：Alan] |
There are couple enhancments for PXA255, you can refer to the
presentation file today, or get the application note from Intel
FAE |
[2003-5-29 10:41:04] |
| [问：seraph] |
我们在研发中用到28f3204的FLASH，但是由于版本太早，现在的版本有一个PIN已经改变属性（从NC变为VCC电源）请问你们能否联系提供99年的产品，或者提供解决方法，谢谢！！ |
| [答：Yangjw] |
I think you are talking about 28F3204C3.Would you please give me
more detail informaiton, and whole prduct name?Please contact me,
jing.wen.yang@intel.com |
[2003-5-29 10:41:18] |
| [问：
pyzhang8] |
你好，我们对Intel的XScale编译器比较感兴趣，能否详细介绍一下其在windows和Linux下的情况，以及编译器的选择问题？ |
| [答：
Larrykwok] |
for the compiler, WinCE.NET4.2 is optimized for Xscale
instruciton set. FOr Linux solution, please check MontaVista. Intel also
provide tools chain(Nordheim Developer tools 1.1) to support Xscale, user
can download to
test.http://www.intel.com/software/products/compilers/
beta/pcatools_register.htm |
[2003-5-29 10:41:19] |
| [问：zhyfeng] |
pxa255 支持tcp/ip吗？ |
| [答：
sherman] |
TCP/IP is software protocol. It depends on the OS. |
[2003-5-29 10:41:38] |
| [问：
hotelcani] |
请问intel公司的PXA系列和一般的dsp有什么不同,优点在那? |
| [答：Alan] |
PXA is not a DSP, it is a application processor for handheld
device |
[2003-5-29 10:41:59] |
| [问：
maysnow] |
请问pxa250对sdram的布线长度有规定限制，那么对sram和flash及其他信号线，有没有限制呢 |
| [答：Curtis] |
I think you need to check CLK length for SDRAM and Flash. |
[2003-5-29 10:43:16] |
| [问：jimmyq] |
How many instruction issued per clock
cycle |
| [答：
sherman] |
Generally, it is one instruction per cycle. |
[2003-5-29 10:43:54] |
| [问：OWIN] |
1、Intel的PXA255处理器的功耗有多大？2、Intel的PXA255处理器目前有什么应用案例？ |
| [答：Alan] |
There are some PDAs like Acer n20,..and more and more PDAs using
PXA250 will migrate to PXA255 or PXA26xfor detail power
consumption, you can get it from Intel FAE. |
[2003-5-29 10:44:24] |
| [问：liu
guofang2] |
Pxa255的JTAK
边界循环扫描码与PXA250有什么区别，手册上为啥没有？ |
| [答：Curtis] |
PXA255 have more pins than PXA250.Please check PXA255 document on
JTAG section for
detail.
http://developer.intel.com/design/pca/applicationsprocessors
/manuals/index.htm |
[2003-5-29 10:44:36] |
| [问：
wasuke] |
PXA255怎样支持MPEG4，能详细介绍一下吗？ |
| [答：
Larrykwok] |
Intel releases Intel? Integrated Performance Primitives (Intel?
IPP) software library which provides a range of library
functions for multimedia, audio codecs, video codecs (for example H.263,
MPEG-4), image processing (JPEG), signal processing, speech compression
(i.e. G.723, GSM ARM*) plus computer vision as well as math support
routines for such processing capabilities.and intel also provide
sample code for customer to implement, check the following web site for
detail;http://developer.intel.com/software/products/perflib/ |
[2003-5-29 10:44:48] |
| [问：ljp] |
什么是MSA架构？能详细介绍一下吗？ |
| [答：
sherman] |
It is the DSP core, developed by intel and ADI. |
[2003-5-29 10:44:55] |
| [问：
fanjiam] |
如何增加USB host 接口？ |
| [答：Larry] |
Currently can add SA111 to PXA25x SoC to equip USB host. But our new
Xscale processor already have USB host /OTG controllor on
chip. |
[2003-5-29 10:46:03] |
| [问：qin] |
和PXA255相配合的系统总线有多高速度？ |
| [答：Heyx] |
ＰＸＡ２５５ 的最高工作频率是４００ＭＨｚ．ＳＤＲＡＭ 最高是１００ＭＨｚ．如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 10:46:05] |
| [问：ljp] |
Intel闪存中的J3和K3有何区别？ |
| [答：Yangjw] |
1.J3A is basd on 0.25um process. both J3C and K3 are 0.18um
process.2. J3 only supports page mode read; K3 can support both page
mode read and synchronous burst mode read.3. J3 supports both x8 and
x16; K3 only supports x16 databus.4. K3 can support 1.8V I/O, J3 can
not.5. K3 OTP size is larger than J3. |
[2003-5-29 10:46:33] |
| [问：
windsun] |
除音频，视频解码以外的DSP应用，Xscale能否起到比较好的替代作用 |
| [答：Larry] |
It"s depend on your requirements. |
[2003-5-29 10:47:06] |
| [问：brian
zheng] |
lcd interface 支持哪些类型的lcd? |
| [答：Curtis] |
PXA25x support Active and Passive LCD.Internal LCD controller can
support to 640x480 resolution.<320x240, 640x480, 800x600
resolution>You can check document for more detail. |
[2003-5-29 10:47:37] |
| [问：frzhang] |
Intel能否提供PXA250开发板上LAN91C96除DEBUG方式外作为标准网口的驱动程序？ |
| [答：
Larrykwok] |
In our existing BSP,LAN91c96 is inculded for debugging only, but it
should be easier to port to driver. |
[2003-5-29 10:47:41] |
| [问：
pyzhang8] |
我们对Intel的PXA800F无线处理器比较感兴趣，想询问一下其开发工具的具体情况 |
| [答：Larry] |
We have reference design and development kit now.Pls send mail to
me for detail.Larry.geng@intel.com |
[2003-5-29 10:48:43] |
| [问：ecnan
jing_EBY7E] |
PXA255/5V是否支持JTAG口 |
| [答：Alan] |
PXA255 does have Jtag interface, you can use it as a debug port by
using ICE. |
[2003-5-29 10:48:44] |
| [问：calvin_zou] |
Intel的闪存主要是哪种，nand flash还是nor
flash，在便携设备使用中，哪一种更有优势？ |
| [答：Yangjw] |
Intel only provides NOR flash, we do not have NAND flash.NOR is
much higher quality and higher reliability than NAND. For system design,
NOR is much easier than NAND. NAND need both hardware and software
ECC. |
[2003-5-29 10:49:30] |
| [问：lyq-dt] |
在当今的BGA芯片中一般电源管脚都比较均匀的分布在芯片各处，这些电源管脚是不是分别给不同的逻辑单元供电，此时如果有某个内核电源管脚没有连接，将会出现什么影响 |
| [答：Alan] |
You have to connect evey power pin to power plane,if some of those
pin did not be connect, the CPU will not get enough power |
[2003-5-29 10:50:52] |
| [问：gaussy] |
如何在设计中注意干扰的问题? |
| [答：Curtis] |
Minimize the number of layer transitions for each signal.Place
de-coupling caps as close to via transitions as possible. These capacitors
should be connected to the power/ground plane beneath the original signal
plane to the power/ground plane beneath the new signal plane. If the plane
beneath both signal planes is ground, a via can be used instead of
de-coupling capacitors.Trace separationAll values are measured
edge to edge:5 mils, with up to 0.5” total parallelism8 mils, with
up to 1.0” total parallelism12 mils, ideal with unlimited parallelism
(highest confidence)10 mils, worst case with unlimited
parallelism20 mils, for SDCLK12 mils, for data and address
signalsA combination of up to 0.5" of 5 mil parallelism plus 1.0" of 8
mil parallelism (1.5 " total) is allowable but not recommended.In a
tradeoff scenario, choose closer separations over routing across a plane
split in order to meet a separation recommendation.There is no
ballpark percentage of acceptable cross talk that can be recommended
because its affects may combine with ground bounce, overshoot, ring back,
or ISI to cause false signaling or timing
issues. Cross talk should be minimized which will give the
system noise and timing margin for other SI phenomena.Connect analog
and digital ground with a trace that is at least a hundred thousandths.
Make it as wide as it is long.Use 2 parallel jumpers per power plane
if jumpers are needed. This will cut the inductance in half and give
better power delivery to the board.Put clock, data, and address lines
on the fastest possible layer.Board characteristic impedance should be
about 59ohms +- 10%.Use de-coupling caps along the edges of power
planes to ground. |
[2003-5-29 10:51:57] |
| [问：lby] |
Intel?
XScaleTM技术的应用处理器,我们在设计过程中可以得到那些技术支持？硬件、软件上的。 |
| [答：Larry] |
We have IPP/GPP middleware,develop board,BSP(source code) for
Wince.net Linux,Palm,Symbian and many RTOS vendor and hardware development
company have develop board.intel also give technical support based
on our processor during you SW/HW design period. |
[2003-5-29 10:52:33] |
| [问：csjfding] |
intel公司如此频繁升级和停产嵌入微处理器,实在让许多设计单位紧跟不上.请问最新的pxa255处理器的生命周期为多长? |
| [答：Larry] |
5 years. |
[2003-5-29 10:52:45] |
| [问：
pyzhang8] |
我们对Intel的PXA800F无线处理器比较感兴趣，想询问一下其开发工具的具体情况 |
| [答：Larry] |
intel have EVB board now. |
[2003-5-29 10:53:15] |
| [问：lyq-dt] |
if we use PXA255 in the 3G UE, whether the
process ability is enough? |
| [答：Heyx] |
ＰＸＡ２５５是ＡＲＭ架构的ＲＳＩＣ处理器，处理能力可满足当前３Ｇ应用的需求。但还需要针对您的具体需求进行分析。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 10:53:20] |
| [问：yang
yangemail] |
2.如何和无线产品连接（802.11b），能否提供相关芯片的资料？ |
| [答：Alan] |
there are some different interfaces, like PCI, PCMCIA, VLIO,to
connect to 802.11b, PXA255 or 26x only have PCMCIA and VLIO
interface.you may ask Intel FAE to provide some data for you. |
[2003-5-29 10:53:55] |
| [问：kevin
yang] |
我公司正准备开发一套嵌入式的图像监控系统，PXA255适用吗？ |
| [答：Larry] |
Yes. Shanghai bus company already used our PXA255 as mobile TV on
public Bus. |
[2003-5-29 10:54:20] |
| [问：gaussy] |
请问如何动态调节电源,节省功耗? |
| [答：Alan] |
PXA255 or 26x do not support DVM officialy,but we have a
application note to tell customers how to handle changing fequency and
voltage, but not DVM |
[2003-5-29 10:55:36] |
| [问：
maysnow] |
刚刚curtis说lubbock
板没有sram，可是我的开发板上就有1M的SRAM阿，Why |
| [答：Curtis] |
sorry.. i am checking now. |
[2003-5-29 10:55:49] |
| [问：渡虚] |
请问PXA255处理器怎样应用在嵌入式工业通信领域 |
| [答：Heyx] |
已有很多公司基于ＰＸＡ２５５开发出各种产品，如测试仪表，网络设备等。您可通过各种渠道看到相关信息。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 10:55:53] |
| [问：qin] |
PXA255和PXA250功能上有什么差别？是否是功耗降低了？ |
| [答：Alan] |
you are right, one of PXA255 enhancement is power consumption. and
there is a document talking about enhancement. you can contact FAE to get
it. |
[2003-5-29 10:57:23] |
| [问：tonny
zhong] |
Dear sirHow about the LCD control
portion in Xscale, Does it support the major LCD panel such as Sharp and
Sony |
| [答：Alan] |
Sure, PXA LCD controller supports most of passive and active LCD
pannel. |
[2003-5-29 10:58:34] |
| [问：yang
yangemail] |
3.这个系列的芯片，在省电设计方面，有那些独特的技术？是怎样保证系统的低功耗？ |
| [答：
Larrykwok] |
in PXA2XX, there are DFM feature(Dynamic frequency change). the system
can change frequency based on different application loading,for the
next generation processor, it supportes dynamic Voltage Management(DVM)
besides DFM. and there are more power mode to set. |
[2003-5-29 10:58:39] |
| [问：q16094] |
一般情况下，Xscale处理器如何与基带处理器联合使用，目前使用较成熟的是什么基带芯片？ |
| [答：Heyx] |
ＸＳｃａｌｅ可与基带处理器通过ＳＳＰ，ＵＡＲＴ进行信号交换，协议处理等。多种基带芯片都可使用，已有很多不同厂家有产品上市。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 10:59:37] |
| [问：ljp] |
同步闪存和异步闪存在性能，结构和工作方式上有何差别？ |
| [答：Yangjw] |
1. Synchronous burst read is much faster than Asynchrous read. For
L18, Synchronous burst read speed is 14ns and Asynchrous page mode is
25ns.2. Synchronous burst read need clock pin, data output is
synchronous with clock. Asynchronous does not need clock pin.Please
see intel L18 datasheet for details. |
[2003-5-29 11:00:11] |
| [问：ecnan
jing_EBY7E] |
我有位朋友,在设计一种手持超短波数据收发设备.请问,专家系统的频率合成从性价比考虑采用
Xcale还是采用TI 的DSP合适?如采用Xscal处理器,有何优点? |
| [答：Larry] |
Depend on what kind of performence your friend really need. |
[2003-5-29 11:00:38] |
| [问：tonny
zhong] |
We are designing the a smartphone,
Is it possible to use 16 bit RGB I/F for main LCD and another parallel CPU
16 bit I/F to control a sub LCDto provide moving picture? |
| [答：Alan] |
you may use memory bus to control sub LCD, but you have to make sure
all the control signal and timing of the sbu LCD are suitable for PXA
memory control. |
[2003-5-29 11:01:23] |
| [问：
maysnow] |
在pxa255芯片中，许多相同功能的电源管脚都是内部相连的，那么我在布线时是否还需对每个管脚都布进去呢，以vssn来说，就有好几个管脚是相连的，那我可以只布其中一个管脚吗。如果我只布其中一个管脚的话，因为电流都是从同一个管脚进去，会不会对cpu芯片的驱动有影响？谢谢 |
| [答：Curtis] |
It is better to connect all VSSN together.Reduce ground
noise. |
[2003-5-29 11:01:55] |
| [问：chen
meisun] |
我现在有的是TI公司TMS6201芯片开发，你们公司有替代芯片吗？ |
| [答：Larry] |
I don"t know what kind of application and what kind ofperformence
you needed. There are no simple answer. |
[2003-5-29 11:02:48] |
| [问：wasuke] |
我看到255有lubbock还有什么其他型号，有什么区别？ |
| [答：
sherman] |
Lubbock is the reference design for PXA255, PXA250. We don"t have the
other reference design for PXA255 and PXA250. |
[2003-5-29 11:02:52] |
| [问：hitzjm] |
运行在strongarm 和xsale 上程序完全兼容吗？ strong
arm上的linux 在 xscale上运行需要哪些改动？ |
| [答：
Larrykwok] |
StrongArm is ArmV4 instruction set, and Xscale is ARMV5TE instrution
set. check spec on Arm Web site for detail,.if StrongArm is ported to
PXA2XX(Xscale code), the booting code about GPIO, MMU, should be modifed,
and also the driver of the peripheral. check the following web
site:http://developer.intel.com/design/pca/
applicationsprocessors/index.htm |
[2003-5-29 11:03:10] |
| [问：libras79] |
请问专家：无线领域的应用现在有哪些实例，有没有示例的应用可供参考。开发工具是什么，是否和现在的流行开发工具有一致或相近的界面。是否有中文版的发行，如果有的话，怎么得到呢？如果在开发过程中有什么疑问可以向谁提出？有没有强大的技术支持，特别是在一些中等城市。现在它的市场有哪些？可以得到一些相关的资料吗？听起来挺高深的，一时不能理解。 |
| [答：Heyx] |
您的前几个问题可以在讲座的资料中找到。Ｉｎｔｅｌ 可以有多种技术支持方式，如通过网络提问等。资料可通过网络下载。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:03:19] |
| [问：qin] |
PX总和PCI总线有何区别？请介绍PX总线的优点。 |
| [答：Alan] |
That are diffent interface can not be compared together,PXA bus
interface support SDRAM/SRAM/PCMCIA/FLASH,...and PCI is another bus
standard for some PC peripherals, like sound card, graphic
card,... |
[2003-5-29 11:04:23] |
| [问：渡虚] |
如果我现在要使用PXA255处理器到我的系统中，那么我最关心的硬件成本和性能如何？ |
| [答：Heyx] |
我们会通过代理商报价。谢谢！ |
[2003-5-29 11:05:08] |
| [问：radix] |
请问这个产品的价格是怎样的？如果想购买，联系方式以及资料如何所取？ |
| [答：Larry] |
You can get all document on intel
website.
http://developer.intel.com/design/pca/applicationsprocessors
/index.htm?iid=devnav_btn1+hw_hw_wireless&You
can buy it through our distributor or chinaecnet |
[2003-5-29 11:05:21] |
| [问：
pliang68] |
What"s the recommended GSM/GPRS RF solution
to work with PXA800F wireless processor? |
| [答：Larry] |
ADI othello one |
[2003-5-29 11:05:47] |
| [问：
maysnow] |
请问，如果在板子调试过程中，假设JTAG不起作用或是出现什么问题（假设不能DOWNLOAD IMAGE
到FLASH),我应该怎样去解决。 |
| [答：
Larrykwok] |
if JTAG can"t work on your system, you only can use flash writer to
burn the image. check our web site for flash writer:Intel? Flash Memory
Programmer – Available now Contact: Alan Buchecker, Peter
Larsen, Rena Welch. For more info about IFMP, see
http://appzone.intel.com/toolcatalog/listtools.asp?
pid=4483&cid=683&pfamily= |
[2003-5-29 11:06:35] |
| [问：lyq-dt] |
wince 系统如果用在3G手机上实时性是否有些不够？谢谢 |
| [答：Alan] |
Microsoft has a smartphone OS based on wince.net,not sure it is ok
for 3G application, you have better to get answer from Micorsoft |
[2003-5-29 11:07:11] |
| [问：gaussy] |
谢谢Curtis,请问在抗干扰方面有没有具体文档资料? |
| [答：Curtis] |
我只有 PCB layout guide.. 一般 PCB layout 公司 都有一些EMI layout
guide.WE DON"T have document for PXA255 noise
reducing. |
[2003-5-29 11:07:20] |
| [问：cdma18] |
请介绍XSCALE在嵌入式系统中开发的相关介绍及技术支持 |
| [答：Heyx] |
请参考在线座谈的图文资料！Intel
提供多种支持方式，如通过网络提问等。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:08:31] |
| [问：valen] |
采用Intel?
XScale技术的Intel应用处理器，对java编程支持的情况如何，兼容性如何? |
| [答：Larry] |
Because Xscale processor have high performence and many ISVsupport
our processor.listed belowSun J2SE, CLDC/MIDP & CDC Monty
JVM with JITOptimizing for Intel? XScale? Microarchitecture on Linux
Esmertec (just acquired Insignia)What: Jbed IDE, Jbed Micro
Edition CLDCVM available for bare machine or Linux, Nucleus, Palm OS
Insignia (www.insignia.com)What: J2ME, J2SE +
JITClean room JVM optimized on: Microsoft WindowsCE .NET, SymbianOS,
ITRONAvailable nowIBM (www.IBM.com)What: J2ME,
J2SE, JIT, VAME IDEJVM being Optimized on: QNX, Linux, and Microsoft
Windows CE .NETAvailable nowACCESSWhat: J2ME MIDP,
KVMDo-JA implementation of J2ME on ITRON / Micro-ITRONAvailable
1H’02Savaje (www.savaje.com)What: Clean room JVM
optimized for Intel PCA Applications Processors Available
now |
[2003-5-29 11:09:15] |
| [问：yang
yangemail] |
Vxworks 对PXA255支持的怎样？ |
| [答：Larry] |
Good.You can contact Wind River to get detailed info |
[2003-5-29 11:09:50] |
| [问：OWIN] |
Intel的PXA255处理器以后的应用有什么设想？ |
| [答：Heyx] |
ＰＸＡ２５５可有多种应用，相信会有各种有创意的产品会被开发出来！谢谢！ |
[2003-5-29 11:10:24] |
| [问：tonny
zhong] |
Regarding the video source such as CMOS
sensor and CCD module, Does PXA need externalvideo controller such as
MediaQ to handle this kinds of signal? |
| [答：Alan] |
it depends on which module you are using,if you use SSP interface
module, you can connect to PXA directly, if you use USB or other interface
module (ITU 656,..) you will need external companion chip. |
[2003-5-29 11:11:42] |
| [问：radix] |
请问如何购买PXC？价格如何呢？联系方式是怎样的？ |
| [答：Heyx] |
我们会通过代理商报价，您可在网站上找到他们的联系方式。或留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:12:11] |
| [问：
maysnow] |
我在开发自己板子（pxa255)的bsp时，对xscale的MMU处理概念有点模糊，特别是对虚拟地址和实际物理地址的映射及cach地址的处理不清楚，请问可以在哪里找到解答，好像在arm的说明书和你们xscale的说明书都找不到详细的映射设计！谢谢！ |
| [答：
Larrykwok] |
if you use WinCE BSP, there is config.bib. some setting about MMU.
here is the link to Xscale
spec;http://developer.intel.com/design/intelxscale/273473.htm.when you
have specific quesion on MMU, please let us know |
[2003-5-29 11:13:42] |
| [问：seewin] |
请介绍以下Intel?
XScale(TM)技术在未来几年预期的性能指标及价格趋势，谢谢 |
| [答：Heyx] |
基于Ｉｎｔｅｌ Ｘｃａｌｅ 的新产品会不断被推出，性能会有更大的提高。产品价格会与半导体行业的规律相符。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:14:48] |
| [问：brian
zheng] |
请问：我要到哪里找到适合xscale的os? |
| [答：
Larrykwok] |
see the following URL for the
list:http://developer.intel.com/design/pca/
applicationsprocessors/swsup/ |
[2003-5-29 11:15:14] |
| [问：maysnow] |
请问我怎样将pxa255放在我的板子上，是在我的板子上放一个插座呢，还是怎样，谢谢！ |
| [答：Heyx] |
可直接焊接到板子上。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:16:09] |
| [问：ecnan
jing_EBY7E] |
怎样联结SDCKE和SDCLK? |
| [答：Curtis] |
http://developer.intel.com/design/pca/applicationsprocessors/
tools_software/devboards.htm#docssee
page 3, 8 for detail about SDCKE and SDCLK. |
[2003-5-29 11:16:15] |
| [问：liuhs] |
INTEL公司对相关产品开发提供何种扶持 |
| [答：Heyx] |
Intel 提供多种支持方式，如通过网络提问等。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:16:46] |
| [问：qin] |
PXA255中有无动态功率管理？功耗的降低主要靠工艺技术吗？ |
| [答：Alan] |
PXA255 does not support DVM, but you still can reduce power when
reduce frequence, and there are some procedures you haev to do, we have a
application note to talk about that,please contact Intel FAE to get
it. |
[2003-5-29 11:17:25] |
| [问：mcfeng] |
该技术的主要应用领域在哪里?其市场前景如何? |
| [答：Larry] |
Handheld device and that demand lower power consumptionwhile at
same time require high performance |
[2003-5-29 11:17:37] |
| [问：pliang68] |
What"s the difference between PXA800 and
PXA250/255? |
| [答：Heyx] |
ＰＸＡ８００有无线通信数字基带信号处理部分，ＰＸＡ２５０／ＰＸＡ２５５是单纯的处理器。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:18:52] |
| [问：liuguo
fang2] |
XScale PXA255是否有计划何时停产？ |
| [答：Larry] |
PXA255 don"t have plan EOL until 2008 |
[2003-5-29 11:19:40] |
| [问：brian
zheng] |
当其工作在400MHz时，功耗是多少？ |
| [答：Heyx] |
具体数值与您的系统有关。请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:20:57] |
| [问：qin] |
PXA255的I/O电平能否和闪存和SDRAM的要求相兼容？ |
| [答：Heyx] |
ＰＸＡ２５５可支持多种Ｆｌａｓｈ和ＳＤＲＡＭ．如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:21:56] |
| [问：liuhs] |
开发平台在哪买 |
| [答：Heyx] |
我们会通过代理商销售，您可在网站上找到他们的联系方式。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:22:52] |
| [问：liuguo
fang2] |
PXA255的程序下载、DM、Angel与PXA250
有何区别？ |
| [答：
Larrykwok] |
addtional feature for PXA255 is: PXBUS frequency, HWUART,fast sleep
mode.NSSP .update version of eboot, DM, angel just modifed to fit the
new feature of PXA255.check web site for more
detail:
http://developer.intel.com/design/pca/
applicationsprocessors/index.htm |
[2003-5-29 11:23:44] |
| [问：liuhs] |
请问INTEL公司对相关产品开发提何种扶持 |
| [答：Larry] |
intel support product related documents,Reference design,technical
support & develop platform |
[2003-5-29 11:23:48] |
| [问：brian
zheng] |
we have a project shoud use PXA255. How I
can get the detail information about it ? |
| [答：Heyx] |
您可在网络上下载资料。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:24:16] |
| [问：brian
zheng] |
请问：有没有camera的接口？ |
| [答：Curtis] |
PXA255 maybe can use USB interface with camera.And, that decive
also need to have WinCE driver.Please check with Steve_Hou
[steve_hou@prospect.com.tw]or www.TransDimension.comThey might
have a solution for you.PXA255 don"t have CCD interface for
camera. |
[2003-5-29 11:25:30] |
| [问：huang
xiaocheng] |
请问，可以用于工业环境的控制系统吗？ |
| [答：Larry] |
Yes!!!!! PXA255 and intel flash |
[2003-5-29 11:26:07] |
| [问：zhyfeng] |
用这种cpu，对开发工具有没有什么限制？ |
| [答：
Larrykwok] |
there are quite many development tools to support Xscale;we have
JTAG debugger, simulator, ICE from EPI, sophia, and also some 3rd party
like Red Hat GNUPro, Virtio VPXA, please check the following link for
detail:http://developer.intel.com/design/pca/
applicationsprocessors/swsup/pxa25x_swlib.htm#tools |
[2003-5-29 11:27:48] |
| [问：wyb] |
我对INTEL FLASH了解不多，请问它与三星的NAND FLSAH和常见的NOR
FLASH有什么区别 |
| [答：Yangjw] |
Intel only provides NOR flash. We do not have NAND flash.NOR and
NAND, they have different flash cell architecture.NOR is much higher
quality and higher reliability. NAND need both hardware and software
ECC. NAND require complex system design. |
[2003-5-29 11:29:13] |
| [问：valen] |
请问目前有多少国外的手机厂商，准备采用Intel?
XScale技术的Intel应用处理器，嵌入手机 |
| [答：Heyx] |
很多国外的著名手机厂商已发布了基于Intel?
XScale技术的Intel应用处理器的手机产品。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:29:30] |
| [问：lijiqun] |
这个处理器有什么优点啊， 跟ARM比呢 |
| [答：Alan] |
There are lots of ARM processor, not sure which one you are talking
about,but so far, only PXA255 support 400 MHz,and PXA255 also
integrate lot of peripherals that you will need when you desing a handheld
device |
[2003-5-29 11:29:39] |
| [问：gaussy] |
有的CPU不能随便在GPIO口上接上拉和下拉电阻,这样一来会增加功耗,XSCALE有这个问题吗? |
| [答：Curtis] |
Need to check with document.At sleep mode, you usually set GPIO as
input not output.Also, you can set GPIO to low. |
[2003-5-29 11:30:14] |
| [问：hitzjm] |
strongarm 和xscale 价位是多少 |
| [答：Larry] |
StrongARM will EOL next year. Xscale pls contact our distributor or
Chinaecnet |
[2003-5-29 11:31:16] |
| [问：hitzjm] |
strong arm xscale 是否shihe工业控制。
intel 的arm处理器哪款比较适合工业控制 |
| [答：Heyx] |
Ｓｔｒｏｎｇａｒｍ 不适用于新产品的开发。请采用ＰＸＡ２５５做新产品的研发。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:31:17] |
| [问：henrywu] |
能否介绍以下XScale为软件控制其功耗提供的支持 |
| [答：
Larrykwok] |
PXA2XX application processor(Xscale core) support Dynamic frequency
change. it can be set via software, the prototype of DFM is in CE.NET
BSP(some function like OEMControl).next generation application
processor supports Dynamic Voltage change on the fly. |
[2003-5-29 11:32:07] |
| [问：ydjjj] |
请介绍intel其他新一代单片机 ydjjj |
| [答：Larry] |
Pls contact our distributor to get info |
[2003-5-29 11:32:08] |
| [问：ljp] |
请介绍和PXA255相配合的芯片组。 |
| [答：Heyx] |
请参考在线座谈的图文资料！ＰＸＡ２５５可与多种外设相接。取决于您的具体应用来选择芯片组。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:33:43] |
| [问：wasuke] |
如果我使用IIP完成MPEG-4
12帧每秒的处理，从摄像头来的数据由255编解码处理后直接给LCD，这种处理中，IIP会占用多少处理器性能那？ |
| [答：
Larrykwok] |
We have H.264 that can get 43 frame per second at QVGA solution. it
depends on the applicaton and the bus interface. please provide your
detail architecure, then we can do some evaluation. |
[2003-5-29 11:34:53] |
| [问：y
useaman] |
1、该处理器的的处理能力怎样？能进行数字视频广播的解码吗？2、裸片的价格（？/万片）？ |
| [答：Heyx] |
数字视频广播的信号格式有多种，ＰＸＡ２５５是通用的处理器。我们会通过代理商报价，您可在网站上找到他们的联系方式。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:36:51] |
| [问：ecnan
jing_EBY7E] |
PXA255与SDRAM的地址线如何连接？ |
| [答：Alan] |
We have very detail information in Developer Manual, Design Guide and
reference board schematic.you can download those files from
developer.intel.com or contact Intel FAE |
[2003-5-29 11:37:07] |
| [问：duanjian] |
在那里得到应用资料手册，价格？ |
| [答：Heyx] |
我们会通过代理商报价，您可在网站上找到他们的联系方式。您可在网络上下载资料。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:37:24] |
| [问：yxh881] |
是否能提供户外变电站无线通讯的具体方案（或应用实例）变电站环境条件如下：最远距离800米无障碍物，通讯点数100 |
| [答：Larry] |
Pocket PC+ Wireless LAN card (CF type) |
[2003-5-29 11:37:37] |
| [问：hbhswjh] |
请问您是否可以给我一些相关资料？ |
| [答：Heyx] |
您可在网络上下载资料。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:38:12] |
| [问：liuhs] |
在国内如何购买开发板 |
| [答：Heyx] |
我们会通过代理商销售，您可在网站上找到他们的联系方式。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:38:55] |
| [问：jingsong] |
手机的软件能从那些渠道获取？ |
| [答：Heyx] |
通过您的问题我不是明白您的需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:40:23] |
| [问：michea
lyang] |
PXA255 温度范围？ |
| [答：Larry] |
-40 to +85C runtime |
[2003-5-29 11:40:41] |
| [问：def932] |
在intel 处理器中如何嵌入C程序 |
| [答：
Larrykwok] |
In our Dalhart(PXA26X) processor, we have internal flash, the image
can be burned. please state your question clealy, thanks |
[2003-5-29 11:42:03] |
| [问：jimmyq] |
DO you have any development activity in
China for the Xscale MCU such as BSP, Driver, Support for the Local OS
development, where is the location and organization name if you
have |
| [答：Heyx] |
Ｉｎｔｅｌ ｈａｓ ａ ｌｏｔ ｏｆ ｌｏｃａｌ ＸＳＣａｌｅ ｄｅｖｅｌｏｐｍｅｎｔ ｉｎ ＰＲＣ． Ｐｌｅａｓｅ ｌｅａｖｅ ｙｏｕｒ ｃｏｎｔａｃｔ ｉｎｆｏ ａｎｄ ｙｏｕｒ ｑｕｅｓｔｉｏｎｓ． Ｔｈａｎｋｓ！ |
[2003-5-29 11:42:18] |
| [问：maysnow] |
请问一下，为什么在LUBBOCK开发板上，关于PLL_VCC的提供电路要去掉 |
| [答：Curtis] |
Please check PXA25x spec update about new minimum spec for tD_NTRST
and tD_NRESET. |
[2003-5-29 11:43:03] |
| [问：morongxiang] |
现在的闪存技术达到了什么程度 |
| [答：Yangjw] |
Now we can provide 0.13um, Multi-level-cell and up to 256M flash. and
we also provide flash/xRAM scsp product.It will up to 1Gbit. |
[2003-5-29 11:44:09] |
| [问：jen
sen.lee] |
该处理器与 Motorola 的 power-pc
相比如何 |
| [答：Curtis] |
Intel XScale have better performance and users now. |
[2003-5-29 11:44:20] |
| [问：ylhome] |
Can PXA255 use in PDA? |
| [答：sherman] |
yes. |
[2003-5-29 11:45:15] |
| [问：ming
star586] |
intel处理器的发展前景 |
| [答：Heyx] |
Ｉｎｔｅｌ 在处理器方面的技术世界领先。Ｉｎｔｅｌ 总是会领导世界潮流！如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:45:22] |
| [问：cyczx] |
软件方面的支持，除了FDI/PSM/VFM，还有其他提供源程序软件模块吗？如果有，它们之间如何融合呢？取得这些源码需要什么条件？ |
| [答：Yangjw] |
For some flash products, we have template codes.But not for all of the
products. We will provide source code. The condition is you must use
Intel flash when require Intel flash software. |
[2003-5-29 11:46:08] |
| [问：wlee] |
would you pls say some thing about output
frequency, output proposal etc. |
| [答：Heyx] |
Ｉ ａｍ ｓｏｒｒｙ， Ｉ ｄｏｎ＇ｔ ｑｕｉｔｅ ｕｎｄｅｒｓｔａｎｄ ｙｏｕｒ ｑｕｅｓｔｏｉｎｓ， ｐｌｅａｓｅ ｌｅａｖｅ ｙｏｕｒ ｃｏｎｔａｃｔ ｉｎｆｏ ａｎｄ ｑｕｅｓｔｉｏｎ ｄｅｔａｉｌｓ．Ｔｈａｎｋｓ！ |
[2003-5-29 11:46:55] |
| [问：lczhong] |
基于PXA250和Windows
CE的视频编码解码和无线传输方案、MPEG-4的解决方案 |
| [答：
Larrykwok] |
FOr 视频解码/:, please check Cirrus about the hardware, for 无线传输方案:
Cisco PCMCIA 802.11b card or bluetoothMPEG-4: we provide IPP library
for H.264 format |
[2003-5-29 11:48:19] |
| [问：jimmyq] |
Who is the contact person for Wireless LAN
product in Beijing |
| [答：Heyx] |
Ｗｅ ｈａｖｅ ｓｅｖｅｒａｌ ｐｅｒｓｏｎｓ ｉｎ Ｂｅｉｊｎｇ ｆｏｒ ＷＬＡＮ ｐｒｏｄｕｃｔ． Ｐｌｅａｓｅ ｌｅａｖｅ ｙｏｕｒ ｃｏｎｔａｃｔ ｉｎｆｏ ａｎｄ ｃｏｍｐａｎｙ ｎａｍｅ， ｔｈａｎｋｓ！ |
[2003-5-29 11:48:27] |
| [问：wasuke] |
Vtone技术能否用于其他处理器，比如MPC8260 |
| [答：Larrykwok] |
existing version Vtune is on IA and Xscale. |
[2003-5-29 11:49:03] |
| [问：eluxin] |
如何在PDA嵌入PXA255? |
| [答：Larry] |
Sorry I mean design a PDA which used PXA255 as core CPU.That means
PXA255 is the CPU of the PDA. |
[2003-5-29 11:51:10] |
| [问：njhdwjg] |
本讲座的文字资料及产品的样品如何取到?谢谢 |
| [答：Heyx] |
请联系ＣｈｉｎａｅＣｎｅｔ 取得有关图文资料。我们会通过代理商支持，您可在网站上找到他们的联系方式。如有更多需求，请留下联系方式，公司名称和您的问题，谢谢！ |
[2003-5-29 11:51:22] |
| [问：yusea
man] |
该处理器有能力进行数字视频广播的解码吗？ |
| [答：
Larrykwok] |
does it mean TV decorder? if yes, check the 3rd party chip. Xscale
does not support |
[2003-5-29 11:51:31] |
| [问：carl88
_98Y8Y] |
where can we get chinese user
manule? |
| [答：Heyx] |
Ｓｏｒｒｙ， Ｉｎｔｅｌ ｄｏｅｓ ｎｏｔ ｈａｖｅ Ｃｈｉｎｅｓｅ ｕｓｅｒ ｍａｎｕｌｅ ｎｏｗ．Ｐｌｅａｓｅ ｌｅａｖｅ ｙｏｕｒ ｃｏｎｔａｃｔ ｉｎｆｏ ｉｆ ｙｏｕ ｈａｓ ｏｔｈｅｒ ｒｅｑｕｉｒｅｍｅｎｔｓ． Ｔｈａｎｋｓ！ |
[2003-5-29 11:52:43] |
| [问：lyhunan] |
PXA255适合于手持无线图像实时传输吗？是否有这方面的参考设计？ |
| [答：
sherman] |
yes, we have 3rd party develop the software to running the real time
streaming application on the PXA25x platform. You can reference our
lubbock board design.thanks! |
[2003-5-29 11:53:00] |
| [问：def932] |
在intel 处理器中如何做C程序，没有BIOS |
| [答：
Larrykwok] |
there are booting code like bios, after completing the initialization,
it will jump to kernel(can be c ) |
[2003-5-29 11:53:03] |
| [问：HFLIFE] |
px255在高速时是否要做散热设计?再不考虑外设功耗时,待机功耗可低到多少? |
| [答：Curtis] |
No heat sink for PXA255 at 400Mhz with 200Mhz PXbus. |
[2003-5-29 11:55:02] |
| [问：wasuke] |
IPP同时编解码，达到每秒15帧左右，会占用系统多少资源？ |
| [答：Larrykwok] |
please submit your issue to FAE, check it later. |
[2003-5-29 11:55:09] |
| [问：wgf] |
我们的一个项目正在用PXA250,不知道选用什么调试器比较好。您有什么建议？ |
| [答：
Larrykwok] |
调试器 in English? |
[2003-5-29 11:57:27] |
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