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memory problems with MSP430 JTAG library

Started by Bhanu Nagendra P. in comp.arch.embedded20 years ago 1 reply

I am trying to port the JTAG library released with TI App. Note 149 for use with my parallel port. I am able to reset the device and perform...

I am trying to port the JTAG library released with TI App. Note 149 for use with my parallel port. I am able to reset the device and perform basic initialization over JTAG. However, I am having problems with writing to on-chip RAM. It turns out that whenever I write to a location, the location last accessed (read or write) gets corrupted. Here's an output showing what I mean: -------------...


ARM: JTAG problem on developed ARM board

Started by Mad I.D. in comp.arch.embedded15 years ago 4 replies

Hi. I designed an ARM7 board with LPC2478 MCU. Unfortunately, JTAG doesn't work like one would expect. I can download code to FLASH, I can...

Hi. I designed an ARM7 board with LPC2478 MCU. Unfortunately, JTAG doesn't work like one would expect. I can download code to FLASH, I can start debugging, BUT every time it comes to the first STR instruction I get "Could not stop device" ERROR. When I don't step the code it goes to some garbage address. I have ONLY ONE physical pull-up/down resistor on my JTAG 2x10 connector (device is...


TMS470R1A256 - Wiggler ARM-JTAG question

Started by codic in comp.arch.embedded19 years ago 2 replies

Hi, I'm using an ARM-JTAG dongle interface (which uses parallel port, and is Macraigor Wiggler compatible) to program a TMS470R1A256 on...

Hi, I'm using an ARM-JTAG dongle interface (which uses parallel port, and is Macraigor Wiggler compatible) to program a TMS470R1A256 on a TMS470-P256 board (made by Olimex). I have been able to load the application to RAM and to flash, but when executed from flash, the applicaton runs 16 times slowlier. Using the debugging feature of the ARM-JTAG, I have stopped the execution in both cases...


JTAG level shifters

Started by Anonymous in comp.arch.embedded17 years ago 3 replies

What is commonly used for JTAG level shifting? I have an application where I need to convert a small number of signals from low-voltage TTL...

What is commonly used for JTAG level shifting? I have an application where I need to convert a small number of signals from low-voltage TTL levels to "normal" TTL levels. It's very similar to a JTAG port where you have signals going in both directions and a reference signal indicating what the logic levels are. Modern CPLD's have Vccio pins, but that would be overkill for the number o...


How do breakpoint work in emulators?

Started by adonis in comp.arch.embedded18 years ago 6 replies

I have been using these JTAG emulators for ADSP blackfin processors for quite some time now. I want to know about how the software...

I have been using these JTAG emulators for ADSP blackfin processors for quite some time now. I want to know about how the software breakpoint actually works internally. I opened the ADSP JTAG emulator, it had a BF531 DSP and a flash inside. Now, if my understanding is right... When we run the code in emulator mode, then the code runs from the DSP in the JTAG device. Now when i keep a breakp...


How to program AT91SAM7S64's flash using a JTAG parallel cable?

Started by Ken in comp.arch.embedded18 years ago 11 replies

Hi everyone, I know that some ARM7 chip, such as S3C4510, can be programmed using a JTAG parallel cable without a emulator. Does anyone konw...

Hi everyone, I know that some ARM7 chip, such as S3C4510, can be programmed using a JTAG parallel cable without a emulator. Does anyone konw how to program AT91SAM7S64 using a JTAG parallel cable? Thanks, Ken


low-cost, high-speed JTAG interface solution

Started by Amontec Team, Laurent Gauch in comp.arch.embedded20 years ago 3 replies

Hi, You are using GNU tools... You are searching a low cost generic JTAG solution... You are working with both LINUX and WINDOWS...

Hi, You are using GNU tools... You are searching a low cost generic JTAG solution... You are working with both LINUX and WINDOWS platform... You are coming crazy with the low-speed of the Wiggler JTAG interface... So try 'ARM Debug ValuePack' from Amontec ( www.amontec.com ). 'ARM Debug ValuePack' is fully compatible with the Raven JTAG interface. 'ARM Debug ValuePack' is 5x faster th...


FT2232 JTAG

Started by Elektrolot in comp.arch.embedded18 years ago 3 replies

Are anybody using FT2232 in JTAG interface with FTCJTAG.dll? I'm trying to read IDCODE and I always get bad value. I will be very grateful if...

Are anybody using FT2232 in JTAG interface with FTCJTAG.dll? I'm trying to read IDCODE and I always get bad value. I will be very grateful if someone send me example code in Delphi or C? Thanks, Elektrolot


56800/E dsp jtag adapter?

Started by Jan Wagner in comp.arch.embedded19 years ago 5 replies

Hi, in the CodeWarrior v7.2 for the Freescale hybrid 56800/E DSP series it is stated the IDE can program e.g. 56F8322 using the Motorola JTAG...

Hi, in the CodeWarrior v7.2 for the Freescale hybrid 56800/E DSP series it is stated the IDE can program e.g. 56F8322 using the Motorola JTAG Parallel Port Converter (which, as this is a hobby project, I'm not very inclined to buy for > $200 and wait 4+ weeks for). One (inofficial?) schematic for the Motorola JTAG Parallel Port Converter is apparently at http://www.hc08.cz/attachment


JTAG for C8051F040

Started by Mikkel Lund in comp.arch.embedded20 years ago 1 reply

Hi I have to make/design a RS232 to the JTAG module on the C8051F040 ?C interface. But I can't seem to find any documentation on how this is...

Hi I have to make/design a RS232 to the JTAG module on the C8051F040 ?C interface. But I can't seem to find any documentation on how this is done. Can anyone help me? -- Hilsen / Best Regards Mikkel Lund www.control.auc.dk/~mmlu03


TriCore TC1130 JTAG

Started by Jedi in comp.arch.embedded19 years ago 1 reply

Still nobody knows if the TC1130 supports boundary scan through JTAG? jedi

Still nobody knows if the TC1130 supports boundary scan through JTAG? jedi


MSP430 fuse blowing issue

Started by Narottam in comp.arch.embedded18 years ago 5 replies

Hello All, I am using IAR Embedded Work bench C/C++ compiler for MSP 430 devices. I would like to program the fuse of MSP430 chip using JTAG...

Hello All, I am using IAR Embedded Work bench C/C++ compiler for MSP 430 devices. I would like to program the fuse of MSP430 chip using JTAG interface. I studied from MSP 430 Embedded Workbench User guide, which directed me to use the 'Secure' option in the Emulator menu after downloading the Software using JTAG interface. I downloaded the software using JTAG interface & found that the...


Jtag interface supporting RDI

Started by Old Wolf in comp.arch.embedded19 years ago 1 reply

Hi all Is there any software available that will let me use ARM AXD debugger with a plain old Wiggler or similar home-made device? (I'm...

Hi all Is there any software available that will let me use ARM AXD debugger with a plain old Wiggler or similar home-made device? (I'm trying to debug on a device that already has a Jtag port, but not ICE). If not, are there any IP issues etc. that would prevent me from writing my own?


Seeking JTAG emulator for Atmel AT91 ARM Cores on Linux

Started by Johnson in comp.arch.embedded14 years ago 39 replies

Hi there, We are porting a windows application from desktop into embedded Linux on Atmel AT91 ARM Cores, thus we need JTAG to debug the...

Hi there, We are porting a windows application from desktop into embedded Linux on Atmel AT91 ARM Cores, thus we need JTAG to debug the firmware under a Linux environment. However, SAM-ICE only connects via USB to a PC running Microsoft Windows2000 or XP. So I am looking for a JTAG emulator running on Linux. If you have any good idea/knowledge, could you please help? BTW, a frien...


JTAG wiggler

Started by lear...@gmail.com in comp.arch.embedded18 years ago 11 replies

I am new to embedded programming and I am working on MPC8xx. What exactly is JTAG wiggler and how will it help me with the development? I tried...

I am new to embedded programming and I am working on MPC8xx. What exactly is JTAG wiggler and how will it help me with the development? I tried to find info on it and most groups say that it speeds up development process. Thanks in advance....


MPC860 JTAG boundary scan tools

Started by Scott in comp.arch.embedded20 years ago 1 reply

Hi, I am trying to find a good JTAG emulator for the MPC860 in order to perform boundary scans. Can anyone recommend a...

Hi, I am trying to find a good JTAG emulator for the MPC860 in order to perform boundary scans. Can anyone recommend a solution? Thanks scott


How to operate a JTAG PORT

Started by Anonymous in comp.arch.embedded18 years ago 3 replies

Hello I would like to know how to operate a JTAG PORT to drive the entire scan system? Is this risky? Any responses greatly...

Hello I would like to know how to operate a JTAG PORT to drive the entire scan system? Is this risky? Any responses greatly appreciated Thanks krithiga


MSP430 JTAG to use at IAR Kickstart

Started by mgemb in comp.arch.embedded18 years ago 10 replies

Hi, I am testing IAR Kickstart to program MSP430 EasyWeb3 board . I want to program and debug this board by using MSP430-JTAG (cost 14.95 $)...

Hi, I am testing IAR Kickstart to program MSP430 EasyWeb3 board . I want to program and debug this board by using MSP430-JTAG (cost 14.95 $) from http://www.sparkfun.com/commerce/product_info.php?products_id=15 But I only found MSP-FET tools for debug, how can I configure to debug and program with this MSP430-JTAG on my board Regards, nyt2005


Can I use JTAG to programme FLASH Memory?

Started by CC in comp.arch.embedded17 years ago 5 replies

Hi,I'am planning to use AT91SAM9260 but i don't have a SAM-ICE which is so expensive.So can i just use Wiggler JTAG to programme...

Hi,I'am planning to use AT91SAM9260 but i don't have a SAM-ICE which is so expensive.So can i just use Wiggler JTAG to programme my AM29LV160D(AMD Boot Sector Flash,16Mbit)? If i can,how to implement it?


WTD: I386EX jtag emulator

Started by hamilton in comp.arch.embedded19 years ago 2 replies

I have googled for an hour now, but the i386EX family does not seem to have a jtag emulator/debugger available. Is this true ?? hamilton

I have googled for an hour now, but the i386EX family does not seem to have a jtag emulator/debugger available. Is this true ?? hamilton