*Hello,* * * *I've been reading some documentation about the LPCXpresso, I found this board is really smart due to the junction of jtag and...

*Hello,* * * *I've been reading some documentation about the LPCXpresso, I found this board is really smart due to the junction of jtag and target at the same board.* * * *But I have a question, s**eems that the modifications made at the eclipse IDE isn't free, and has firmware limitations, what whould be the limitations? * *(bad nxp move here, the cheaper the better, free, even better ...

Hi, we just got first prototypes of a new board with LPC2468 (beside an Actel Flash FPGA, SDRAM and MicroSD slot). Without DBGEN, the...

Hi, we just got first prototypes of a new board with LPC2468 (beside an Actel Flash FPGA, SDRAM and MicroSD slot). Without DBGEN, the LPC responds to an UrJTAG "detect" with a proper response that I expected for Boundary Scan mode: IR length: 3 Chain length: 1 Device Id: 01000000000111110000000000101011 (0x00000000401F002B) Manufacturer: Philips Semi. (Signetics) But with DBGEN, U...

Hi all!. I think that my chip has corrupted bootloader. I programmed it several times, but now it only can be programmed via JTAG, Philips...

Hi all!. I think that my chip has corrupted bootloader. I programmed it several times, but now it only can be programmed via JTAG, Philips flash utility says: "cannot communicate with test board". Is any way to upgrade or fix bootloader? I found on net bootloader hex file for 2104, but no for LPC2103. Thanks in advance. Mariusz

This is a follow up to a message on DMA transfers on the LPC2148 I wrote last month. Someone suggested trying the Keil example for the usb...

This is a follow up to a message on DMA transfers on the LPC2148 I wrote last month. Someone suggested trying the Keil example for the usb audio. As this was tailored for the Keil eval board, I bought the board and JTAG emulator to try their example. First of all Keil is loaded with bugs. It took me a day to get any example to build and run on their evaluation board, but eventually I go...

Hello friends, I'm with the same problem. After uploading of a test software using H-JTAG, parallel j-tag (from Olimex) and LPC-E2294,...

Hello friends, I'm with the same problem. After uploading of a test software using H-JTAG, parallel j-tag (from Olimex) and LPC-E2294, the microcontroller seems to be damaged. When in the internal flash operation (boot0 and boot1 selected) the messages displayed is "can't halt target and make it enter DEBUG state". Curiously, when I change to 32-bit external memory (changing boot0 and boot 1...

Hello, colleagues! I would like to ask you helping me! I need write a simple program, which periodically sent Ethernet frames with 100 bytes...

Hello, colleagues! I would like to ask you helping me! I need write a simple program, which periodically sent Ethernet frames with 100 bytes information. Physical interface is KS8721BL. Chip is LPC2468. I've tried explore a sample from IAR 5.50, but it isn't work at all. It seems that KS8721BL can't be initialized. Now my JTAG go mad - doesn't work properly. I would be glad if you da...

I wonder how to use the Olimex LPC2148 board - it only has USB connector and no RS232. A virtual com port based bootloader would be nice. I'm...

I wonder how to use the Olimex LPC2148 board - it only has USB connector and no RS232. A virtual com port based bootloader would be nice. I'm not considering JTAG.

Hi all, I was working with my custom board which I designed and recently I could write a simple firmware to turn off/on some LEDs, I wanted to...

Hi all, I was working with my custom board which I designed and recently I could write a simple firmware to turn off/on some LEDs, I wanted to test what would happen if we program device with even values for CCLKSEL that I saw it is not working any longer but when I changed the value to odd one and tried to download the code to the chip I couldn't. I am working with H-JTAG V0.4.3 and it gives a...

I'm using an LPC2138 and I've figure out how to enable code read protection by writing 0x87654321 to 0x01FC. Is there any way to load new...

I'm using an LPC2138 and I've figure out how to enable code read protection by writing 0x87654321 to 0x01FC. Is there any way to load new firmware, do a full chip erase, or disable this feature now? Since the JTAG debugger and relevant ISP commands are now not available, I'm thinking that having a bit of code that uses IAP calls to read the sector, substitute a new value, then re-write...

I have read several threads where new ARM programmers like myself have encountered a problem where their code (custom board) only runs...

I have read several threads where new ARM programmers like myself have encountered a problem where their code (custom board) only runs when using the debugger. I have yet to find my problem. I have programmed two other ARM boards using the LPC2101 chip with problems. This board using the LPC2131 is somehow different. The JTAG interface has pulldown and pullup resistors. The emulator sele...

I'm hoping someone can shed some light on the following intermittent LPC2129 power-up problem: Power is applied; V18, V3, V18A and V3A...

I'm hoping someone can shed some light on the following intermittent LPC2129 power-up problem: Power is applied; V18, V3, V18A and V3A become stable within 600us, the clock stabilises 1ms later. After a further 250ms nRESET is taken high, but the code doesn't appear to run. Once in this state I can stop execution using a JTAG debugger and examine the PC & other register contents. Somet...

Hello, During configuration of Ethernet, JTAG losing communication with the target. In LPC17xx manual there is a remark as follow...

Hello, During configuration of Ethernet, JTAG losing communication with the target. In LPC17xx manual there is a remark as follow Remark: when initializing the Ethernet block, it is important to first configure the PHY and insure that reference clocks (ENET_REF_CLK signal in RMII mode, or both ENET_RX_CLK and ENET_TX_CLK signals in MII mode) are present at the external pins and conne...

I am beginner in LPC2000. I want to ask some questions. Thank you! 1. I wonder whether there's any free software that can be used to download...

I am beginner in LPC2000. I want to ask some questions. Thank you! 1. I wonder whether there's any free software that can be used to download programs to the external flash via UART or JTAG? 2. I don't know how to use the ISP protocol provided by Philips, will anyone who has written a program to download programs to the external flash teach me how to do that, or send me the source code? th...

I am very new to the microcontroller world. I have an LPC-H2148, but haven't yet received my JTAG dongle, so I've been attempting to set...

I am very new to the microcontroller world. I have an LPC-H2148, but haven't yet received my JTAG dongle, so I've been attempting to set up the serial port bootloader interface from Sparkfun (http://www.sparkfun.com/commerce/product_info.php?products_id=714) without success. I've tried using both the Phillips Flash Utility and FlashMagic. I've removed the Debug jumper from the LPC-H2148. ...

hello; After a couple of year on PIC uCs ,recently I started working on LPC2132 Arm microcontroller.I use Keil Real View uc development kit...

hello; After a couple of year on PIC uCs ,recently I started working on LPC2132 Arm microcontroller.I use Keil Real View uc development kit to compile and H-JTAG to flash. I've compiled a few project and they worked well, however I couldn't figure out how to arrange startup.s file. I have been working on a simple uart program explaining in AN10369 paper. But, what i see at output is just...

I've got a LiIon barrery design with an LPC2132, and when I put it into power down the supply current stays up around 700uA. That seems way...

I've got a LiIon barrery design with an LPC2132, and when I put it into power down the supply current stays up around 700uA. That seems way too high. I am running it on 3.3V and I have switched basically all of the pins to Input so that non are driving pull up/dn resistors during powerdown. I even shut off the JTAG and UART so there was no current being put out to anywhere else. I ...

I'm evaluating Rowley's CrossStudio and am having serious problems. I'm using the Olimex 2106 demo board and the Wiggler JTAG...

I'm evaluating Rowley's CrossStudio and am having serious problems. I'm using the Olimex 2106 demo board and the Wiggler JTAG interface. I'm new to the LPC devices and GCC but not MCUs in general. The tools and board work mostly as expected when using RAM for the codespace.

Howdy, I've been parachuted into a project using an LPC2378 and I have to figure out why the micro will not program via the serial port or...

Howdy, I've been parachuted into a project using an LPC2378 and I have to figure out why the micro will not program via the serial port or via the JTAG port. I've been studying the user manual and the flash magic docs so have a running start. I have been able to prove that my setup works using flash magic and a Keil MCB2300 dev board. I know that DTR and RTS are controlling reset and...

Hi Guys, I have a strange problem. with the CTL(crossworks tasking lib). Have created two tasks , and hooked the timer0 for...

Hi Guys, I have a strange problem. with the CTL(crossworks tasking lib). Have created two tasks , and hooked the timer0 for the task switching. every thing works fine if I program it using JTAG. but when I start the application by switching the power off and on then the application hangs when the ctl_taskrun is called. boot loader is running and it starts the application. ...

I've two Philips LPC designs. One uses a LPC2294 and the other a LPC2194. I've been working on the LPC2294 design for some time...

I've two Philips LPC designs. One uses a LPC2294 and the other a LPC2194. I've been working on the LPC2294 design for some time and have not had any problems at all. My LPC2194 design is a different story. I'm using the Keil DKARM (V1.4) and ULINK to program the LPC's via