External Clock Source
2004-03-08 by James Dabbs
Are there any non-obvious considerations in using an external oscillator to drive the clock pin of the LPC210X (instead of a crystal using the internal
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Re: Simpliest working FIQ example - please help.
2004-03-08 by haack0815
Hi Robert, take a look at the Usermanual at page 40 table 8. You must wait until your signal is 1 to reset the flag. Unfortunately the external interrupts at
Re: Simpliest working FIQ example - please help.
2004-03-08 by moostieuk
Have you read the user manual on the LPC part? There s a number of things you have to do before getting the VIC to work, one is that if you are running from
Re: 5V tolerant i/o pins gpio initial state..
2004-03-08 by onceinfour
Owen, Thanks for advice re using mosfets instead of UDN2981. I think you will find thought that the Mosfet solution could not compete on price, or reliability
Simpliest working FIQ example - please help.
2004-03-08 by hansklos2003
Hi! My problem is: how to make an application with EINT0 assigned to FIQ. I try with someting like below - but it does not work. The source of interrupt is a
Re: Secondary JTag
2004-03-08 by jvedum
Use of the secondary JTAG has been discussed here before, see ie msg 1067, 1262 and 1338. I have made a design where only JTAG2 is available, just as you
Re: Port 0.14
2004-03-08 by embeddedjanitor
The way I intend to do things is like I have done on many other products. The flash will comprise 3 major regions: * Philips ISP loader * My bootloader the
Re: [lpc2000] Port 0.14
2004-03-08 by Robert Adsett
... If you are not going to reprogram the whole chip you could use the IAP facility. If you are going to do the whole chip (or the boot area) I would want to
Re: Secondary JTag
2004-03-08 by embeddedjanitor
... a ... can ... Trace ... according ... this ... ports ... the ... resets etc This is pretty close to what I am planning to do. Indeed there is an app note
Secondary JTag
2004-03-08 by Owen Mooney
I have added this question as a separate message as it may attract a different response I am debating as t which JTAG pins I use in my circuit layout. I can
Re: [lpc2000] Re: 5V tolerant i/o pins and also my comments on Circular buffers
2004-03-08 by J.C. Wren
... [ snip ] Do not forget the reverse biasing diodes on the solenoid. The inductive kick can generate an extremely high reverse voltage, which many FETs
Port 0.14
2004-03-08 by Owen Mooney
As I mentioned I am a newbie to this processor. I am currently waitng for my development tools but have larely finished my circuit diagram, and need to deal
Re: 5V tolerant i/o pins and also my comments on Circular buffers
2004-03-08 by Owen Mooney
It strikes me that your are hitting at the problem the wrong way. Why don t you feed the 3.3.V output directly into the gate of a N channel enhancement mode
read it immediately
2004-03-08 by ssen@163.com
i found this document about you
Re: [lpc2000] uCos
2004-03-08 by Michael Anburaj
Hi Gene & all, I have extended my ARM uCOS-II to LPC210x. It can be build using GCC or SDT or ADS. Download:
Re: Possible gcc bug?
2004-03-07 by embeddedjanitor
... script ... This still seems more like a linker/locater problem with ld. Look at the ld map file. See if the symbols are in the correct place. -- Charles
RE: [lpc2000] Re: Possible gcc bug?
2004-03-07 by Curt Powell
Peter, Thanks for the insights. If I remove the offending statement, the problem goes away. Does that still sound like a possible linker script error to
Re: Free LPC2xxx RTOS for non-commercial use
2004-03-07 by embeddedjanitor
While I have not tried your RTOS yet, I would like to congratulate you on the excellent RTOS overview. I ve been embedding for over 20 years and this is the
Free LPC2xxx RTOS for non-commercial use
2004-03-07 by kristianstad2001
Hello all, I ve followed this group basically from the beginning and I ve notices that a recurring question/subject is real-time operating systems. eCos is of
Re: Possible gcc bug?
2004-03-07 by Peter
... never ... problem ... it. ... ... 000000c ... decimal to ... which in ... () ... said, I m ... it is ... Hi Curt, I can t tell what s going wrong
Re: [lpc2000] UK LPC21XX supplier
2004-03-07 by Peter Kuhar
contact Tomaz.Rehar@Avnet.com /Pero
UK LPC21XX supplier
2004-03-07 by marcinpaszkiewicz
Hello Can anyone advise when I can buy it in qty
Re: [lpc2000] Re: Is there an elegant way to set interrupt vector 0x14?
2004-03-07 by Robert Adsett
... The Philips ISP program does indeed do this. ... Since the boot logic only checks the exception vectors, I don t see that it matters. It doesn t guarantee
Re: Any Example code for me to test my LPC2104 experiment
2004-03-07 by embeddedjanitor
... This isn t UC/OS but there is some simple code to test a board: http://www.keil.com/download/docs/lpc2100_blinky.zip.asp -- Charles
Re: Is there an elegant way to set interrupt vector 0x14?
2004-03-07 by embeddedjanitor
... checksum ... to ... a ... Ivan I can t think of an easy way to do this with the standard tools (linker etc), but I guess you could write an assembler macro
LPC210x <-->FTDI245 hook-up?
2004-03-07 by embeddedjanitor
Anyone hooked up an LPC210x to an FTDI245 USB chip? If you have would you be willing to share code/experiences? Thanx -- CHarles
Re: Possible gcc bug?
2004-03-07 by embeddedjanitor
Hi Curt If you ve been having these problems before but have been able to make them go away by shuffling code around then you have really just been hiding
Possible gcc bug?
2004-03-07 by Curt Powell
I ve run into a situation that I ve had several times before but never done anything about. All of the sudden, code that was working (and should be working)
Is there an elegant way to set interrupt vector 0x14?
2004-03-06 by embedder22
Hello everybody, I am starting to evaluate LPC2100 family and I ve got a question about interrupt vector 0x14, which is checked by the bootloader. Is there a
Re: [lpc2000] Re: 5V tolerant i/o pins
2004-03-06 by Peter Jakacki
... Correct answer redsp .... Hmmm, funny that onceinfour didn t work out that a low-impedance cmos output wouldn t pull-up to +5V with a resistor, unless of
Any Example code for me to test my LPC2104 experiment
2004-03-06 by m_m_m_mm
I bought a experiment board, can anyone send me some code for me to test uc/os ? or any good tutorial on uc/os on lpc2100 series? THX
Re: 5V tolerant i/o pins
2004-03-05 by redsp@yahoo.com
... I have two observations for you. 1) If you use a pullup, your output should be configured as open collector or open drain (depending on your nomenclature
Re: LPC2106 with Fosc = 2,5 MHz or 5,0 MHz ? Still useable ?
2004-03-05 by redsp@yahoo.com
... because it ... the PLL ... known side ... I don t know specifically about this part, but most PLLs are built with a filter. That is what limits the
Re: LPC samples from Philips
2004-03-05 by redsp@yahoo.com
I sent them an email (actually, I think it was through their support web page) after someone here said they got samples that way. I received a reply saying
Re: 5V tolerant i/o pins
2004-03-05 by onceinfour
I suppose this is for the Philips Apps. OK all pins except a/d are 5V tolerant. What level (in the high state) will I get on a pin configured as an output if
Re: [lpc2000] 5V tolerant i/o pins
2004-03-05 by Bill Knight
On Fri, 05 Mar 2004 13:22:37 +0000, Alaric B Snell wrote: ... Hmmm. You might be able to do that with a diode, to prevent it from back-feeding current into the
Re: 5V tolerant i/o pins
2004-03-05 by onceinfour
Please, need an element of practicality here. We are talking about a lot of i/o lines, in our design we are looking at 3 x 8 way solenoid drivers, that s 24
Re: 5V tolerant i/o pins
2004-03-05 by philips_apps
Michael, All the IO pins on that device are 5V tolerant EXCEPT any that can be configured as an ADC input. This is lacking in the documentation and will be
Re: [lpc2000] Re: Circular buffers
2004-03-05 by Robert Adsett
... I d check for it myself. If a large buffer overflows it s worth knowing about since it may indicate the receiver process is starving and for a small
Re: [lpc2000] 5V tolerant i/o pins
2004-03-05 by Alaric B Snell
... Hmmm. You might be able to do that with a diode, to prevent it from back-feeding current into the internal 3.3v line from the 5v line when it s trying to
LPC2106 with Fosc = 2,5 MHz or 5,0 MHz ? Still useable ?
2004-03-05 by capiman@t-online.de
Hello, has someone used the LPC2106 with a oscillator frequency of 2,5 MHz or 5 MHz? According to data sheet it should be between 10 and 25 MHz. It needn t to
Re: [lpc2000] LPC samples from Philips
2004-03-05 by David Willmore
... Took 8 weeks for mine to show up. And then, it was the wrong package. So, I gave it to Leon as he wanted to make a board for it. As far as we know, Leon
Re: Circular buffers
2004-03-05 by embeddedjanitor
This method has one problem. If the buffer fills up, then previous contents will get lost. ie. If you add 1024 bytes before taking any off then onpointer will
Re: [lpc2000] LPC samples from Philips
2004-03-05 by Leonard Braun
Hello, Philips responded to my click same as to yours. So far no samples. Regards, from the USA:) ... From: Stefan Wimmer To: lpc2000@yahoogroups.com Sent:
LPC samples from Philips
2004-03-05 by Stefan Wimmer
Hi folks, nice to see (some of) you again on this list (as well as on MSP, AVR, etc.). There was mention some times ago of a Philips www page where one could
Re: [lpc2000] Circular buffers
2004-03-04 by Robert Adsett
... It s not thread safe. It ll work in a cooperative tasking environment but not in a pre-emptive or interrupt environment w/o further protection. It s also
Re: [lpc2100] IAR LPC2106 KickStart Kit --- JTAG box
2004-03-04 by lpc2100_fan
Hi, Jason is right the USB to JTAG interface from Segger is not included in the $149 deal. The package with the USB to JTAG is not on the website yet but I ve
Re: [lpc2000] Circular buffers
2004-03-04 by Peter Kuhar
I belive this is te best way to do it. Using linked list is to procesor and memory consumnig. If you use add byte only in interrupt rutine and getbyte only in
Re: [lpc2100] IAR LPC2106 KickStart Kit --- JTAG box
2004-03-04 by jason_ceng
The 149 USD is Board and 32K compiler The 299 USD is board, 32K compiler and JTAG If Philips can t sell you the later then IAR ofiices have a small stock too.
Re: [lpc2000] Linux/ OSS ISP tools?
2004-03-04 by capiman@t-online.de
Yes, this is available under http://www.clibb.de Search for lpc21isp, it is open source and can be used under win / cygwin / linux. I currently have a local