New file uploaded to lpc2000
2006-01-31 by lpc2000@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the lpc2000 group. File :
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ARM Development Kit Company For Sale
2006-01-31 by armusb2006
Hi All, I have developed an ARM 2294 (or 2138) board with USB host support (i.e. USB flash drives) as well as a backlit 128x64 graphical LCD. I was planning on
Re: [lpc2000] GCC compiler generates wrong code for interrupt handler routines
2006-01-31 by 3gpabko
I am also using GCC v3.3.1 integrated in Ashling IDE and I don t have problems with the code generated for ISR. You should use: __attribute__
Re: [lpc2000] RTC problem in LPC2148
2006-01-31 by Tom Walsh
... If you are doing a commercial design which has to under Underwriters Labratories testing, They require that you need the current limiting resistor in the
Re: [lpc2000] Re: GCC compiler generates wrong code for interrupt handler routines
2006-01-31 by Tom Walsh
... Definately get away from using Thumb code with gcc-3.4.x. There is some documented problems, under certain conditions, that when an interrupt occurs
LPC2888
2006-01-31 by Gus
the Philips parts sheet mentions LPC2888. Any info on when will this be available?
RE: [lpc2000] Re: Philips LPC3180 - BGA loading Qs
2006-01-31 by Greg Deuerling
... Special skill s? Yes, lots of practice and the temperature and timing have to be closely controlled. I recently mounted 40 672pin PBGA s and had a 100%
Re: [lpc2000] Simulator/ debugger
2006-01-31 by vineet jain
Hi there, You can use the compiler provided by Keil. The limitation on the simulator is 16kb. Cheers, Vineet. Mauricio Scaff wrote: Hi,
Re: [lpc2000] Re: GCC compiler generates wrong code for interrupt handler routines
2006-01-31 by Richard Duits
Take a look at the following link: http://www.keil.com/support/docs/3127.htm Keil directed me to this page when I asked if I could use other GCC binaries. I
Re: [lpc2000] RTC problem in LPC2148
2006-01-31 by Mauricio Scaff
From the Philips Datasheet Price : 0,08 / 100 pcs @ Digikey 240mV @ 0,1mA (that s far more than the RTC uses) With do you need this resistor ? And even if you
Re: [lpc2000] Re: Philips LPC3180 - BGA loading Qs
2006-01-31 by Leon Heller
... From: unity0724 To: Sent: Tuesday, January 31, 2006 1:20 PM Subject: [lpc2000] Re: Philips LPC3180 - BGA
Re: GCC compiler generates wrong code for interrupt handler routines
2006-01-31 by c.barbaro
Thank you, I ll upgrade as soon as is possible even I I ll have to renounce to the Keil uVision IDE. Someone told me that is compatible only with GCC 3.3.1
Re: GCC compiler generates wrong code for interrupt handler routines
2006-01-31 by c.barbaro
Thank you, I ll follow the suggestion since in the near future I want to use nested interrupts that requires an asm wrapper anyway. For now I patched the
Re: Philips LPC3180 - BGA loading Qs
2006-01-31 by unity0724
... We used hot air blower (600W SMT rework/desodlering tools) to solder BGA on prototype boards but could only get 20-30% successful rate. Difficult part
RE: [lpc2000] Philips LPC3180 - BGA loading Qs
2006-01-31 by Greg Deuerling
... See full text below.. I use a hot air re-work machine and it does a great job. The great things about BGA s are they are self centering. They can be off
Re: [lpc2000] Philips LPC3180 - ARM9 MCU Press Release
2006-01-31 by Leon Heller
... From: 42Bastian Schick To: Sent: Tuesday, January 31, 2006 10:28 AM Subject: Re: [lpc2000] Philips
Fwd: Reset problem in LPC2214
2006-01-31 by jk jlkj
Note: forwarded message attached. ... Jiyo cricket on Yahoo! India cricket [Non-text portions of this message have been removed]
Re: GCC compiler generates wrong code for interrupt handler routines
2006-01-31 by Karl Olsen
... That is right. GCC 3.3.x and older generated incorrect entry/exit code for IRQ and FIQ handlers. Use 3.4.x or newer. Karl Olsen
Re: GCC compiler generates wrong code for interrupt handler routines
2006-01-31 by unity0724
Hi, Experienced similar problem before. Got it fixed with moving all local variables to global variables. (I also kept every C statement in the ISR to be
Re: [lpc2000] GCC compiler generates wrong code for interrupt handler routines
2006-01-31 by Richard Duits
I had the same problem and it disappeared when I disabled the Support Calls between ARM and THUMB Instruction Set option. If you use THUMB code, you can
Re: two questions on Byte Count for LPC Flash Writes
2006-01-31 by jayasooriah
Dear Robert, You missed my point. You suggest that the EE_Demo is for users who know how to use EEPROM to store small amounts of data, but do not know how to
Re: [lpc2000] GCC compiler generates wrong code for interrupt handler routines
2006-01-31 by 42Bastian Schick
c.barbaro schrieb am Tue, 31 Jan 2006 10:47:41 ... I d suggest to write the ISR wrapper in assembler and call from there your ISR.
GCC compiler generates wrong code for interrupt handler routines
2006-01-31 by c.barbaro
Hi, I m working with LCP2138 using the Keil demo board and the UVision IDE with GNU compiler 3.3.1. When I switched from examples to a little more complicated
Re: [lpc2000] Philips LPC3180 - ARM9 MCU Press Release
2006-01-31 by 42Bastian Schick
philips_marketing_usa schrieb am Mon, 30 ... For targeting robotics, the chip lacks: CAN and Ethernet. For POS it lacks LCD
Re: IRQ / FIQ status register general question.
2006-01-31 by jayasooriah
When doing data transfers on FIQ and using FIQ bank (eg a pointers and a byte count), then you have no choice but to set up, and/or examine these in
Re: [lpc2000] Philips LPC3180 - ARM9 MCU Press Release
2006-01-31 by 42Bastian Schick
... Not quiet right: Atmel has also one. -- 42Bastian Schick
RE: [lpc2000] Re: ethernet, BGA conspiracy and uncle SAM(7X)
2006-01-31 by Joel Winarske
... Sure, I/O bandwith and PHY choice. Having a built-in PHY locks your part into a niche, while limiting potential markets. The Dallas DS80C390/400 series
Re: [lpc2000] ethernet, BGA conspiracy and uncle SAM(7X)
2006-01-31 by 42Bastian Schick
Jan ... I wonder whom Philips has asked. Our sales-people see at least in 80% of the projects embedded ethernet. Many of those would prefer single-chip
Re: [lpc2000] Re: ethernet, BGA conspiracy and uncle SAM(7X)
2006-01-31 by 42Bastian Schick
... But from the programming point an embedded MAC is easier and faster unless you use an external MAC+Phy which completely is memory mapped. I wonder, is
Re: [lpc2000] RTC problem in LPC2148
2006-01-31 by Sean
The BAT54C s that I see ($0.12 qty 100) all have horrible forward voltage drops (some are as bad as 1V at 50mA current!) and I ll still need to drop the
Re: ethernet, BGA conspiracy and uncle SAM(7X)
2006-01-31 by tsvetanusunov
... ok, but what you really benefit from the embedded MAC when you anyway will need external PHY connected to the chip? I ll tell you from manufacturing point
Re: [lpc2000] IRQ / FIQ status register general question.
2006-01-31 by Sten
... Hi Bruce, it is allowed to switch context manually, during starup for example. But I think it is not recommended to do this in application code. You must
Re: Reset problem in LPC2214
2006-01-31 by lpc2100_fan
Jerome, please check pin 0.31, description in the manual, search for it in this forum. By the way, I am serious, I remember something about 0.31 and JTAG and
RE: [lpc2000] ethernet, BGA conspiracy and uncle SAM(7X)
2006-01-31 by Joel Winarske
... If they produced the LPC23xx they might be found in many homes... Until then the SAM7X is in the queue. Joel
ethernet, BGA conspiracy and uncle SAM(7X)
2006-01-31 by Jan Szymanski
There s not enough market for microcontroller with embedded ethernet according to Philips. Who would like to have one at home, anyway? As an example of
Re: [lpc2000] RTC problem in LPC2148
2006-01-31 by Mauricio Scaff
Use a BAT54C. Inside this component you have the 2 diodes (schotky ones that have only 0,3V dropout) with their cathodes connected. ... [Non-text portions of
Reset problem in LPC2214
2006-01-31 by jk jlkj
Hi All, I am facing a reset problem in LPC2214. The problem is limited to improper operation of SPI peripheral, when using a RC reset or a supervisory IC
Re: JTAG warning
2006-01-31 by jayasooriah
This was my initial reaction. I do not know the details but I am told it involves multiple controlled energy discharges. Apparently they do this using jigs
Re: two questions on Byte Count for LPC Flash Writes
2006-01-31 by philips_apps
What is the purpose of an EEPROM? To hold a small amount of reprogrammable data, that can be organized anything from bit-wise to big structures. Usually it
Re: [lpc2000] RTC problem in LPC2148
2006-01-31 by Sean
Tom: Thanks for the code! Is it *necessary* to have the switching in place (as opposed to use leaving the lithium to power the RTC all the time)? Just
Re: Philips participation in this forum (was: Philips LPC3180 ... Press Release)
2006-01-31 by jayasooriah
As willing as Philips in promoting LPC in this forum, I am wondering if Philips be as willing discuss CRP and boot loader vulnerability issues here?
Re: two questions on Byte Count for LPC Flash Writes
2006-01-31 by jayasooriah
One has to consider what the purpose of EE_Demo is. I see it as providing an EEPROM interface for FLASH. It is implied therefore, that if you use this
Re: [lpc2000] Philips LPC3180 - BGA loading Qs
2006-01-31 by Tom Walsh
... I d be intereested in that answer myself. I ve had excellent results using a quartz 1500W toaster oven + mylar stencils for the LPC2xxx processors and
Re: [lpc2000] RTC problem in LPC2148
2006-01-31 by Tom Walsh
... Diode switching is needed to maintain the Vbat when Vdd (3.3v main) is absent and to switch over to the battery when Vdd disappears. It sounds like you
Philips LPC3180 - BGA loading Qs
2006-01-31 by David Hawkins
Ok, so it seems I m not the only one concerned with BGA prototyping or hobbiest use of such devices. What kind of expense have people experienced for board
Re: [lpc2000] Re: Philips LPC3180 - ARM9 MCU Press Release
2006-01-31 by Mauricio Scaff
BGA .... I don t know in other countries, but here in Brasil, unless you have a lot of money that means : Hey don t use me I know of a lot of good ICs that I
RE: [lpc2000] Re: two questions on Byte Count for LPC Flash Writes
2006-01-31 by Bruce Paterson
... Interesting. I ll make sure I do this. ... I ll have to disagree here. Surely it depends very much on what you are using the Flash-EEprom *for*; that is,
RE: [lpc2000] Re: JTAG warning
2006-01-31 by Bruce Paterson
... Surely this has to be a risky procedure ?! Zapping an input could result in unpredictable current consumption, or even a part that runs very hot and fails
RE: [lpc2000] IRQ / FIQ status register general question.
2006-01-31 by Bruce Paterson
... I haven t used an FIQ myself yet so excuse the possibly silly question. Surely if you are using an alternate register set in an FIQ, at some early stage,
Re: Philips LPC3180 - ARM9 MCU Press Release
2006-01-31 by Mike
... *Press stuff* Conveniently not mentioning that it s in the dreaded BGA format only. So we can forget prototyping with it. Looks like they didn t listen