FIQ Jitter problem
2004-12-16 by itsjustimpossible
Hi I don t know if anyone else has seen this but its driving me nuts. I have timer1 on a 40uS interval triggering an FIQ. (All the FIQ does is toggle an IO pin
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Re: 5v 3,6 v IO and GPIO speed issues!
2004-12-16 by philips_apps
Hi Karl, give us a break, please. There are things we could improve, e.g. the Flash interface and we did (fastest ARM7 microcontroller running from Flash).
RE: [lpc2000] Re: Reset of circuit
2004-12-16 by Richard Rauscher
Yes, I ve done it on both the 2114 and 2129. The only difference is that I set WDTC = 0. --rich ... From: Karl Olsen [mailto:kro@post3.tele.dk] Sent: Thursday,
Evba7 - Jtag
2004-12-16 by Henrique
Hello, I conected a board with a LPC2114 to the Ashling Evba7 eval kit (on the EmbeddedICE connector), and was able to download flash code using the Pathfinder
Re: Compatibility
2004-12-16 by lpc2100_fan
Hi Al, from what you are describing you might want to have a look at Silicon Labs. They have fast 8-bit micros with high resolution ADCs. The problem might be
Secondary JTAG Sanity Check
2004-12-16 by Richard
I am planning to use the secondary JTAG (LPC2104) in a design. I have already been debugging (from flash) using the second JTAG by placing a firmware in flash
Re: [lpc2000] LPC2114 watchdog reset, was:Reset of circuit
2004-12-16 by Kerem Or
I m going to deal with the same in a week or two. I ll get back to you if I figure out something. Kerem ... From: Karl Olsen To:
LPC2114 watchdog reset, was:Reset of circuit
2004-12-16 by Karl Olsen
It boots fine from flash at power on, so the checksum etc. is OK. And when it hangs after a watchdog reset , pulling RESET# low can also reboot it correctly.
Re: Reset of circuit
2004-12-16 by ian48harry
As well as the other ways of forcing a hardware reset you can always add to the startup assembler code the instructions to set the registers, even if they are
Re: Reset of circuit
2004-12-16 by Kerem Or
according to user manual: if P0.14 is high while RESET#=0 then LPC attempts to execute user code (if a valid csum found at addr 0x14). It does not enter ISP
Re: [lpc2000] Re: [Q] Forth System for the Olimex Prototype Board?
2004-12-16 by Chris Graham
The documentation for the MPE Forth is considerably better than the documentation for NewMicros Forth. - Chris
Re: [Q] Forth System for the Olimex Prototype Board?
2004-12-16 by Rob Chapman
If you want Forth and a lot more, check out the ARM boards at New Micros (www.newmicros.com). You can get a 2106 board for $69 and add IsoMax (MaxForth +
RE: [lpc2000] [Q] GNU-Tool Chain on W2K, a simple example HowTo use it
2004-12-16 by Dan Beadle
I tried the GNU tools and gave up. Look great if you are working from Linux. From Windows, you must install Cygwin. Gnuarm needn t be in that directory, but
Re: Reset of circuit
2004-12-16 by Karl Olsen
... change the ... have any) ... Has anybody done this successfully? On my LPC2114, I have tried doing a CPU reset by starting the watchdog and letting it
Re: [lpc2000] Re: Reset of circuit
2004-12-16 by Kerem Or
Then let the watchdog expire. It will reset the chip but will not change the state of the reset pin. That means your external hardware (if you have any)
Re: Reset of circuit
2004-12-16 by albin_martinsson
Isn t there any way of doing this by just software? I have no chance of connecting some of the IO-pins just for reset. I want to do it from software. /Fredrik
flash program error
2004-12-16 by gianlucamarcante
Hello All, When I m programming the flash memory occurs two error at 0x14 and 0x17 but after the code run. Plese help me. Gianluca Marcante
RE: [lpc2000] Compatibility
2004-12-16 by Gazelle
Hi Al – last week I attended an ADI AduC0702x training where they showed us several demos (including 1Mbps DSO and 4-channel LA) during class sessions –
Re: [lpc2000] Compatibility
2004-12-16 by onestone
Hi Bill, thanks. The problem is that, according to the AD website their ARM7 offering isn t available yet, It looks the part, still has more memory than I
Interrupts during IAP
2004-12-16 by Karl Olsen
Hello all, Normally all interrupts should be disabled during IAP calls. But if the interrupt vectors and all interrupt code are relocated to RAM, are there
interruption periodic time....
2004-12-16 by dasbento@aeiou.pt
Hello, I am using the capture to read PWM and I want to do an interruption of a certain interval of time to read another things (periodic time)... Can anybody
[Q] Forth System for the Olimex Prototype Board?
2004-12-16 by Stephen Pelc
... See http://www.mpeltd.demon.co.uk/tininarm.htm Although not free, every board is supplied with an on-chip Forth system and *documentation* is available by
Re: [lpc2000] Reset of circuit
2004-12-16 by Kerem Or
You may use an external reset circuit with open drain output and connect one of the LPCs I/O pins which defaults to input with weak pullup to the reset pin of
[Q] GNU-Tool Chain on W2K, a simple example HowTo use it
2004-12-16 by Markus Meng
Hi all, after downloading the latest release from www.gnuarm.org I am actually not shure howto proceed in order to get my first Hello World program running
Reset of circuit
2004-12-16 by albin_martinsson
Hi Anyone know how to reset an LPC2129 from software? Just calling address 0x00000000 is not good, course the registers also needs to be reseted. /Fredrik,
Problems with gnuarm-gcc 3.4.3
2004-12-16 by albin_martinsson
Hi Just downloaded the new version of the gnu toolchain for arm, but when i compiled a project there were errors with something called FP. Can someone
Re: Bit timing on CAN
2004-12-16 by mahlerweb
Hi, see http://www.port.de/engl/canprod/content/sv_req_form.html as an online-Bittiming Calculator. For a detailed explanation of Bittiming see the
HowTo use wiggler
2004-12-16 by dimaissaev
Hello. I never used earlier jtag. Could anyone tell me or give me link to HOWTO? En example can I use wiggler under cygwin for debug LPC processor? Can I use
Re: LPC2294 GCC Start
2004-12-16 by dimaissaev
... I can t see too. ... By Philips LPC2000 Flash Utility v.2.2.0 ... This utility have a run from adres in menu Buffer- Flash Buffer operation ... Yes! Of
RE: [lpc2000] Re: LPC2294 GCC Start
2004-12-16 by Richard Rauscher
... From: dimaissaev [mailto:dimaissaev@yahoo.co.uk] Sent: Wednesday, December 15, 2004 7:05 PM To: lpc2000@yahoogroups.com Subject: [lpc2000] Re: LPC2294 GCC
5v 3,6 v IO and GPIO speed issues!
2004-12-16 by dalenkarl
... switcher. ... 3.3V ... I asumed linear regulating only . For switched systems, well sometimes there is a enable pin on the switcher wich can be used with
5v 3,6 v IO and GPIO speed issues!
2004-12-16 by dalenkarl
... switcher. ... 3.3V ... I asumed linear regulating only . For switched systems, well sometimes there is a enable pin on the switcher wich can be used with
5v 3,6 v IO and GPIO speed issues!
2004-12-16 by dalenkarl
... switcher. ... 3.3V ... I asumed linear regulating only . For switched systems, well sometimes there is a enable pin on the switcher wich can be used with
Re: LPC2294 GCC Start
2004-12-16 by dimaissaev
... Thank for replay. But it s don t work. I have: 37 // Runtime Interrupt Vectors 38 // ------------------------- 39
RE: [lpc2000] Re: GNUARM tools updated www.gnuarm.com
2004-12-16 by James Dabbs
... I ve pretty much figured out it s not on the horizon, but has there ever been any discussion about linker optimization of long and short calls, or
Re: [lpc2000] Compatibility
2004-12-16 by microbit
Hi Al, [snip here and there] ... My interest had been with ARM since quite some time, but it always seemed to mean getting hundreds of pins, and all sorts of
Re: [lpc2000] Compatibility
2004-12-16 by Bill Knight
Al You might want to take a look at the Analog Devices ADuC700 series ARM offerings. They may be more in line with what you are seeking.
Re: [lpc2000] Compatibility
2004-12-16 by onestone
Thanks. Al
Re: [lpc2000] Compatibility
2004-12-16 by onestone
Hi Kris, I m not even sure the ARM is what I want. It seems underdone - overkill if you see what I mean. Not as bad as some other ARM devices, but still too
Re: Undocumented Timer Interrupt Feature, or Silicon Bug...
2004-12-16 by dave_albert
I was having the same problem with one of the capture interrupts; the interrupt was configured to be rising-edge-triggered and was multiplexed together with
RE: [lpc2000] Compatibility
2004-12-15 by Dan Beadle
JLINK and the Keil ULINK both conform to the ARM 20 Pin debug port specification. I have both and use both with the MCB2100 board. _____ From: onestone
Re: [lpc2000] Compatibility
2004-12-15 by microbit
Hey Al, Nice to meet here :-) The J-link outputs onto the standard 20 pin JTAG, and should just drop into the 20 pin JTAG on MCB2100. -- Kris
Compatibility
2004-12-15 by onestone
Can anyone tell me if the J-Link unit that comes with the IAR tools is compatible with the MCB2100 board from Keil, please. Cheers Al
Re: 5V, 3.3V IO problem
2004-12-15 by lp2000c
... (or ... Good question. I am just trying to make no assumptions beyond what is actually written in the data sheet. Another question: How about if there is
RE: [lpc2000] Re: [Q] Forth System for the Olimex Prototype Board?
2004-12-15 by Paul Curtis
Hi Rick, ... There are lots of ARM-based Forths around. http://pygmy.utoh.org/riscy/ -- Paul Curtis, Rowley Associates Ltd http://www.rowley.co.uk CrossWorks
Re: Alternative Circuit, 5v 3,6 v IO pröblem!
2004-12-15 by lp2000c
... when ... That s not always an option. Let s say 5V is coming from a switcher. Also, what happens on power down. Depending on drain currents, 3.3V (with
Re: [Q] Forth System for the Olimex Prototype Board?
2004-12-15 by Rick Collins
... ARMForth for ... But they are far from free! Both MPE (VFX forth) and Forth, Inc (SwiftForth) support ARM chips. I belive MPE has a low cost ARM board
Re: LPC213x - new RTC wake from power down?
2004-12-15 by Rick Collins
... I took a look at the data sheet and it appears that this part also has a separate power supply for the RTC from the rest of the chip. This is *very*
[Q] Forth System for the Olimex Prototype Board?
2004-12-15 by Markus Meng
Hi all, Is there a free forth system as a downloadable HEX-File in order to evalute an all-on-chip Forth System for the LPC2106. I would like to have one
RE: [lpc2000] [Q] Forth System for the Olimex Prototype Board?
2004-12-15 by Paul Curtis
Try MPE, www.mpeltd.demon.co.uk. I m sure there must be an ARMForth for the LPC somewhere. -- Paul Curtis, Rowley Associates Ltd http://www.rowley.co.uk