RE: [lpc2000] Re: CS8900A question
2005-07-11 by Luciano Almeida
I had the same problem. Solution: insert some delay cycles between the write and the read. (I put : static int dummy = 1; #define delay() {int
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Re: To philips_apps: Questions on upcoming LPC2148, especially on USB...
2005-07-11 by tlarson_greatnotions
... for ... Just ... even ... Per the USB Spec, these need to be matched differential pairs at 90 ohms of impedance. This can be very difficult to achieve on
Re: Two layer PCB and LPC2000 and EMC
2005-07-11 by Owen Mooney
Uploaded as pdf to the files section crt diagram + images. Owen Hi, Owen Would it be possible to have a image of this part of the board ? It would help a lot
Re: [lpc2000] GNU inline assembler return value
2005-07-11 by Bill Knight
yes, I blew it. Didn t check the docs and had my head on a totally different project. Saw the correct answer shortly after posting mine. -Bill
Re: [lpc2000] Re: To philips_apps: Questions on upcoming LPC2148, especially on USB...
2005-07-11 by Clyde Stubbs
... USB 2.0 full speed is identical to USB 1.1 except for the version number in the device descriptor, which you can choose to set to 1.1 anyway if you prefer.
Re: To philips_apps: Questions on upcoming LPC2148, especially on USB...
2005-07-11 by slawcus
... USB 2.0 low and full speed devices should work with 1.1 hosts and hubs. ... As I see it USB part has seperate PLL and therefore 14,745 could be used (or
Re: [lpc2000] GNU inline assembler return value
2005-07-11 by Richard Duits
I made a few errors in this short post... Destination register should be on the left: unsigned long retval asm volatile ( mov %0, sp : =r (retval) : /* no
Re: [lpc2000] GNU inline assembler return value
2005-07-11 by Richard Duits
Copying one register to another is done with the mov instruction: unsigned long retval; asm volatile ( mov sp, %0 : =r (retval) : /* no inputs */ );
Re: [lpc2000] GNU inline assembler return value
2005-07-11 by Bill Knight
... 1st, retval is not val I haven t compiled this but try static inline unsigned StackPointerValue(void) unsigned long retval; asm volatile ( str sp, %0
Re: CS8900A question
2005-07-11 by ian_wraith
Hello ... I have just double checked this and it seems I can t read the company ID correctly after all. When I check this my program returns a value of 0x6355
Re: [lpc2000] GNU inline assembler return value
2005-07-11 by 42Bastian Schick
xjag74 schrieb am Mon, 11 Jul 2005 15:00:32 ... gcc (or better gas) does not know anything about retval, so it takes it as external
GNU inline assembler + return value
2005-07-11 by xjag74
Hi, I wonder why GCC don t compile that simple code: static inline unsigned StackPointerValue(void) { unsigned long val; asm volatile ( str R13, retval );
re: CS8900A question
2005-07-11 by Ian Wraith
Hello I tried compilng the uIP code but it came up with a number of errors. To tell you the truth I wasn t to bothered about these as I just wanted the code to
Keil and LPC2138 JTAG Debugger ?
2005-07-11 by eng_amrahmed2005
Salam, Are there any Jtag debugger schematics works with uV3 keil ? I heared about MACRAIGOR WIGGLER debugger, Does it works with Keil ? Thanks very much
RE: [lpc2000] CS8900A question
2005-07-11 by Paul Curtis
Ian, Does the original port of the uIP code to the CS8900A run correctly on your board? You do have an LPC-E2124? -- Paul.
CS8900A question
2005-07-11 by Ian Wraith
Hello I am currently writing some low level code for interfacing the LPC2124 to a CS8900A (it is an Olimex LPC2124 board). I am basing my code around that on
Re: Two layer PCB and LPC2000
2005-07-11 by Grzegorz
Our design - smart card reader, based on LPC2104/6, failed with 2- layer pcb. High voltage spikes (although with proper ESD guarding/decoupling on socket/MCU
To philips_apps: Questions on upcoming LPC2148, especially on USB...
2005-07-11 by capiman26061973
(Sorry if this email is coming multiple times, but it looks like i have problems sending email to the mailinglist...) Hello, first many thanks to
Re: Two layer PCB and LPC2000
2005-07-11 by Jack Yu
All our boards are 2 layers andwith gsm/cdma module. JackYu 2005/7/11 ... Sell on Yahoo! Auctions - No fees. Bid on great items. [Non-text portions of this
Re: Philip Aps. - Stack Issue
2005-07-10 by charlesgrenz
Hi Keith, I am Charles and part of this group. I just recieved a message from Mark Moran at IAR. Here it is.
Re: [lpc2000] Two layer PCB and LPC2000 and EMC
2005-07-10 by Alexandre Guimaraes
Hi, Owen Would it be possible to have a image of this part of the board ? It would help a lot many of us that are starting to work with the LPC s. Best
Two layer PCB and LPC2000 and EMC
2005-07-10 by Owen Mooney
What I did (with an LPC2138) was to put a ground layer (polygon) under the board (top and component side) extended out to under the Xtal. In the 2138 this
Re: [lpc2000] Two layer PCB and LPC2000
2005-07-10 by Charles Manning
... If you are using a system where your memory bus is going out of the chip to access other chips, then a 4 layer board is a good idea. With single-chip
Fwd: [lpc2000] Re: Two layer PCB and LPC2000
2005-07-09 by dasbento@aeiou.pt
I made a board PCB with 4 layers of 32mmx32mm with LPC2129 and have all available ports and works well. Domingos Bento ... -----
Re: Two layer PCB and LPC2000
2005-07-09 by tonalbuilder2002
... Almost any board can be laid out with just 2 layers if you have enough room. But keep in my mind that is it possible to make a 4 layer board a lot smaller
Re: Two layer PCB and LPC2000
2005-07-09 by Gus
All our boards are 2 layers!!! www.ghielectronics.com ... route
Re: [lpc2000] Two layer PCB and LPC2000
2005-07-09 by Boris Králik
I am working with fourth layer board. More spaces for ground and power supplies. BorisK ... Regards / S pozdravom Boris Kralik
Re: [lpc2000] Two layer PCB and LPC2000
2005-07-09 by Leon Heller
... From: varuzhandanielyan To: Sent: Saturday, July 09, 2005 4:48 AM Subject: [lpc2000] Two layer PCB and LPC2000
Re: [lpc2000] Two layer PCB and LPC2000
2005-07-09 by sudip nag
Hi Varuzhan, I have tested LPC2138 both in single layer and double layer PCB. In double layer I had run it at 55.296MHz cclk. It was absolutely reliable. 4
Re: Two layer PCB and LPC2000
2005-07-09 by valdef78
... why not ?? here is a two layer example : http://www.geocities.com/leon_heller/lpc2104.html as for any high speed mcu, you should be careful at the way you
Re: [lpc2000] Two layer PCB and LPC2000
2005-07-09 by Digital Systems, Partner
I am working with single layed board @24MHz on LPC2132. NO prob;em Vimal Amin
Two layer PCB and LPC2000
2005-07-09 by varuzhandanielyan
Does anybody succeeded with design of two layer PCB with LPC2138 or similar chip? There was an opinion on this forum, that at least 4 layers are necessary. But
IAP problems
2005-07-08 by haim_ec
Hi everybody!!! I m new in the group. I m working with an LPC2194 and the uVision3 Keil Software using the GNU compiler. My boot loader version (from the Flash
Re: [lpc2000] 10BaseT Transformer
2005-07-08 by Bill Knight
I ordered some online from Arrow about a year ago. http://www.arrownac.com -Bill Knight R O SoftWare & http://www.theARMPatch.com
Re: Lpc2292 external flash
2005-07-08 by roelof t Hooft
... is at49bv320c. ... waitstate tuning:), but flash test is fail. I know that olimex using INTEL flash with other ID, but I can t read the ID either. ...
Re: [lpc2000] Bootloader initializations ?
2005-07-08 by 42Bastian Schick
Gromann, Klaus schrieb am Thu, 7 Jul 2005 17:51:30 ... You should not rely on any setup, just spend the code to setup the chip as you
10BaseT Transformer
2005-07-08 by sudip nag
Hi Everyone, I am searching for ethernet transformer (E2023 or TS2023) in order to interface CS8900A-CQ3 (3.3V version) with LPC, but unable to find the same.
Re: [lpc2000] Re: Philip Aps. - Stack Issue - Not???
2005-07-07 by Arie de Muynck
From: dsidlauskas1 ... Hmmm... I ve seen two bugs in my 30 years of computerbuilding that looked like this. Both were semi-analog problems: specific patterns
Re: Philip Aps. - Stack Issue - Not???
2005-07-07 by dsidlauskas1
I got tired of waiting for Philips so I wrote my own simple program to investigate this stack problem. I used Keil. The code below first fills the stack area
Re: Philip Aps. - Stack Issue
2005-07-07 by lp2000c
It looks like you ve done a great job documentating this. Apparently, the people at Philips in a position to examine this are on shut down this week, so we
Bootloader initializations ?
2005-07-07 by Gromann, Klaus
Hi all, does anyone know which parts of the LPC2294 are initialized by the internal bootloader? I have strange differences when I start with HW reset (includes
Re: [lpc2000] Const string in Flash location with GCC
2005-07-07 by 42Bastian Schick
Ralf ... use the attribute((__section__( sectionname ))) Then add this section in the linker script. E.g.: #define MYSECT
Const string in Flash location with GCC
2005-07-07 by Ralf Knorr
Hi together, how can I store a special string in flash at a specific location under the KeilµV3 environment by using the GCC compiler? With the Keil compiler
Lpc2292 external flash
2005-07-07 by Szemző András
Hi, I d build my own board with 4MB ext. SRAM and 4MB flash. The flash is at49bv320c. I ve try the olimex test program, SRAM test is fine,(after some waitstate
Re: How do i build project with GNUARM tools
2005-07-06 by Richard
... file. ... You can obtain a compatible make utility from: http://unxutils.sourceforge.net You might also want to take a look at:
Re: Philip Aps. - Stack Issue
2005-07-06 by unity0724
Hi, Thanks, ..mmm... May be using the LPC2138 as LPC2137 (first 32KB of flash memory non use-able) will have that problem fixed.. :) Regards /MH ... NOT
Re: Philip Aps. - Stack Issue
2005-07-06 by keithgw_strider
Please don t bother IAR with this problem. I am 99.9% sure it is NOT their problem. Use any tool that uses POP instructions. When the address of the pop
Re: How do i build project with GNUARM tools
2005-07-06 by lynchzilla
... file. ... Hi Boje. Why not take a look at my tutorial ARM Cross Development with Eclipse which is mentioned in the links section of this LPC2000 group.
Re: Philip Aps. - Stack Issue
2005-07-06 by keithgw_strider
I sent a copy of my project to Mike Nelson at IAR. He was able to duplicate the problem using the latest tools on the LPC213x but he could NOT duplicated it on
Re: [lpc2000] How do i build project with GNUARM tools
2005-07-06 by 42Bastian Schick
boje_d schrieb am Wed, 06 Jul 2005 12:33:13 ... If you are really new to all this, expect a hard time. If you have no Unix background