JTAG Connect Problems
2004-02-04 by Bill Knight
I ve been ignoring this problem for too long. It s time to determine if everyone has experienced it or if it is something I m doing. I m using gcc,
Messages
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Page 313 of 329 · 16407 messages matched
Re: GPIO - Pins
2004-02-04 by Sören Rennecke
Hallo, Thanks for your effort It’s a pity, but it doesn’t work… I watched the pins 26 and 27 - they didn’t toggle. Then I changed the code as I need
Re: [lpc2100] SJA2020
2004-02-04 by microbit
Hi, All I have at this stage is that the SJA2020 is an automotive part with 24 K SRAM. Apparently, when Philips migrate to 0.14u (in a couple of years) the ARM
RE: [lpc2000] Question: Secondary JTAG internals
2004-02-04 by Milos Prokic
Rod, Thanks! I will definitely tweak my power circuit to supply 3.3 V first and then 1.8 keeping the reset low until 1.8 reaches 95%. Best regards, Milos From:
Re: ADS to GNU
2004-02-04 by Peter
... old, ... possible to ADS does use ELF, the old SDT used an Acorn standard, AOF. However I ve had limited success mixing GNU ELF and ARM ELF. If I assemble
Re: [lpc2100] JTAG port
2004-02-04 by Alaric B Snell
... What would ROCK is a JTAG connector mounted on the top of the chip... ABS
SJA2020
2004-02-03 by ericmcu
Has anyone info on the SJA2020 device ? It looks simular to the other LPC devices.
Re: [lpc2100] GPIO - Pins
2004-02-03 by Robert Adsett
... You will have to for the pins that serve as IIC, but the others shouldn t need a pull up. Not to get an output signal anyway. Robert Freedom has no
Re: GPIO - Pins
2004-02-03 by lpc2100_fan
... for unused GPIO pins? One he MSP430 I set unused pins to outputs with a 0 level on them, is this acceptable practice for the LPC21xx parts? I only see some
LPC-M416 module works
2004-02-03 by Leon Heller
I ve just assembled one of Eduardo s LPC-M416 40-pin DIL modules, it works OK. I ve uploaded a pic of it to the Files area. The blue wire on the left? I didn t
Re: JTAG port
2004-02-03 by lpc2100_fan
... Hi Ben, what about looking at it like this. JTAG pins are dedicated pins, no secondary function. You need more than the available I/O pins? Well that s
Useful regulator
2004-02-03 by Brian C. Lane
I just came across this, it looks like it will make a good regulator for LPC2xxx projects: LP2966IMM-1833 Its a dual voltage 3.3v & 1.8v low dropout regulator
Re: [lpc2100] JTAG port
2004-02-03 by Leon Heller
... From: Brian C. Lane To: Sent: Tuesday, February 03, 2004 5:01 PM Subject: Re: [lpc2100] JTAG port ...
Re: [lpc2100] GPIO - Pins
2004-02-03 by Brian C. Lane
... Is it an input or an output? What s the value of the pull-down? You may be pulling it down too hard, depending on what is driving the line. This also
Re: [lpc2100] Toolchain
2004-02-03 by Robert Adsett
Take a look at http://www.billgatliff.com/articles/gnu/gnu-arm7t.pdf and http://www.billgatliff.com/articles/newlib/newlib.pdf . I ve also implemented a set of
Re: [lpc2100] Re: GPIO - Pins
2004-02-03 by microbit
The I2C SDA and SCL are on those pins. It seems disabling the I2C (default) doesn t provide push-pull instead of opendrain as needed by I2C -- Kris Hi, I have
Re: AW: [lpc2100] Re: GPIO - Pins
2004-02-03 by Robert Adsett
A few questions and observations: ... Yes, that s to be expected. They are the IIC pins and need pullups. ... First, what is REG defined as? And also
Re: [lpc2100] JTAG port
2004-02-03 by Ben Dooks
... one has to wonder in the days of high density packing why giving 4-5 pins a special function is so abhorent to these manufacturers. -- Ben Q: What s a
Re: JTAG port
2004-02-03 by geimble
... at other ... second port ... be used for ... then ... the ... and the ... alot ... the ... programming it ... have ... Hi Brian ! And how about programming
Toolchain
2004-02-03 by geimble
Hello ! I am trying to build a working toolchain for the LPC2106 . Can anyone help me with the steps i have to make and the changes i have to do for the
Re: [lpc2100] JTAG port
2004-02-03 by Brian C. Lane
... Where? That s a pretty important piece of info. If that s the case then this part isn t as useful as it looks at first glance. If you need the primary JTAG
AW: [lpc2100] Re: GPIO - Pins
2004-02-03 by Sören Rennecke
Hi, I have a similar problem. I want to use p0.2 and p0.3 as standard GPIO Output Pins. For this use I need a Pull up resistor. If I use another Pin like P0.30
Re: [lpc2100] ADS to GNU
2004-02-03 by Lewin A.R.W. Edwards
... Okay... The information I m about to give you is two? three? years old, so take it with a grain of salt: ADS uses, or used to use, the COFF object format.
Re: GPIO - Pins
2004-02-03 by mr_enterprises2001
... low, but ... Hello Thomas, i have noticed that the GPIOs of the LPC2106 on my self-made test- board after a reset or when they are in input mode have a
Soldering LPC2100 devices
2004-02-03 by Leon Heller
After a few messy attempts (they worked, though), I ve just about got the hang of soldering devices like the LPC2100, using a technique called drag
GPIO - Pins
2004-02-03 by Thomas Weber
Could it be, that i have to pull-up all gpio-pins, i want use? I have a pull-down on a gpio-pin, because the wire is normally on low, but the wire is never on
Re: [lpc2100] JTAG port
2004-02-03 by Leon Heller
... From: martin de lange To: Sent: Tuesday, February 03, 2004 8:23 AM Subject: Re: [lpc2100] JTAG
Re: [lpc2100] JTAG port
2004-02-03 by martin de lange
Do you mean that one would sometimes use the one JTAG port and at other times use the other accoording to which I/O you wanted to use ? I have also seen at
Re: [lpc2100] JTAG port
2004-02-03 by Leon Heller
... From: martin de lange To: Sent: Tuesday, February 03, 2004 4:56 AM Subject: [lpc2100] JTAG port
JTAG port
2004-02-03 by martin de lange
GlacierWhy does the uC have two JTAG ports ? regards Martin
Re: [lpc2100] Optimization of Capture Routine
2004-02-03 by James Dabbs
With something this tight, perhaps locating this routine in RAM could also help a little bit? The FLASH is near 0 waitstate but it is more like burst ROM
Re: [lpc2100] FIQ Interrupt latency
2004-02-03 by Brian C. Lane
... I found DDI0234A_7TDMIS_R4.pdf from the ARM website (ARM7 TDMI-S core document) and it says the worst case is 27 cycles. Still haven t sorted out the
Re: [lpc2100] FIQ Interrupt latency
2004-02-02 by microbit
Hi Brian, The document DDI0029_7TDMI_trm.pdf explains the minimum and maximum interrupt latencies in Section 2.9 for FIQs and IRQs, which is 5-29 cycles for
FIQ Interrupt latency
2004-02-02 by Brian C. Lane
Does anyone have information on how many CPU cycles it takes to get into and out of a FIQ interrupt? Does it matter what interrupt triggered it? I m trying to
Re: LPC2106 External interrupts
2004-02-02 by Richard
Those interrupts are level trigered. Richard
Re: [lpc2100] Re: Minimum JTAG Connection
2004-02-02 by Brian C. Lane
... Thanks for the great info! Having JTAG 2 ports in the design would make using the 2106 impossible (we really need all those pins). Has anyone had similar
Secondary JTAG *.hex file
2004-02-02 by geimble
Hi ! Does anyone have the secondary jtag for the flash in *.hex or bin ? I don´t have the right toolchain yet and cannot compile the code wich in the
Re: Minimum JTAG Connection
2004-02-02 by Jim Beagley
Brian, The experience I have had with the secondary JTAG port has led me to these conclusions: A) Put 2 headers on your board, 1 for the Primary, and 1 for the
Re: [lpc2100] ADC Suggestions
2004-02-02 by Brian C. Lane
... Yeah, I know. I m working on extracting the needed info from Philips right now : If I can get the info and if we can get parts samples then that s the
Re: Interrupts in C with GNU compiler
2004-02-02 by lpc2100
checkout these threads http://groups.yahoo.com/group/lpc2100/message/209 http://groups.yahoo.com/group/lpc2100/message/223
Re: [lpc2100] LPC2106 KEIL ARM examples
2004-02-02 by Alaric B Snell
... I ve ordered one of these things and ought to have some working examples in a couple of weeks :-) I ll keep you all posted. ... ABS
Re: Optimization of Capture Routine -> cycle table -> memory access times
2004-02-02 by lpc2100
There may not be differences timing wise but the LPC21xx uses 7TDMI-S Rev4 http://www.arm.com/pdfs/DDI0234A_7TDMIS_R4.pdf ... I/O
LPC2106 KEIL ARM examples
2004-02-02 by gustavo_sagasti
Hi: I m starting with the LPC ARM s, and I would like to know where I could get examples and information about programming (preferable in C ) this chips with
Re: [lpc2100] ADC Suggestions
2004-02-02 by Bill Knight
On Mon, 02 Feb 2004 08:34:01 -0800, Brian C. Lane wrote: I m working on designing a new project where we need to process 9600bps packets (similar to G3RUH
Re: [lpc2100] LPC-M216 DIL module PCBs
2004-02-02 by Leon Heller
... From: Alaric B Snell To: Sent: Monday, February 02, 2004 5:24 PM Subject: Re: [lpc2100] LPC-M216 DIL
Re: [lpc2100] LPC-M216 DIL module PCBs
2004-02-02 by Alaric B Snell
... I may put them beneath for mine. I fancy learning surface mount board design (already done PTH), so am not particularly fazed by the effort of doing it
Re: [lpc2100] ADC Suggestions
2004-02-02 by Alaric B Snell
... Can you not do the SPI sample activity from a timer interrupt handler, assigned to a nice high priority interrupt in that lovely vectored interrupt
ADC Suggestions
2004-02-02 by Brian C. Lane
I m working on designing a new project where we need to process 9600bps packets (similar to G3RUH format), we d like to use the LPC2106 which ought to be fast
Analysis of LPC2106 power vs. instructions
2004-02-02 by Brian C. Lane
I came across this pdf while searching for a decent ADC to use with the 2106: http://www.ece.cmu.edu/~agr/IMPALER/report.pdf They built a system to test what
GNUARM toolchain update
2004-02-02 by Pablo Bleyer Kocik
Hello. I have updated the GNUARM toolchain. Finally I was able to compile and test the Insight personality of the GDB debugger. Please find the new installer