i'm first time to used this chip, i just write simple program to blink LED from keil example. It not working, i have testing using keil simulator and it...
Hi all, (new member here...) out of curiousity I had a look at the source code of ISP to ICP bridge v16, available in the files section of this group. It's a...
i want accurate timing so i used external crystal of 8MHZ with LPC936 but i found the following problems. 1.With crystal (8MHZ) & its capacitor value 33pf or...
Do not use AUXR1.... cuase it will not help i think... also check the errata sheet of Micocontroller.. Regards, Nilesh (09925049517)Â Potent embedded...
Try a solid state relay that switches at the zero voltage crossover point. I made my own and it stopped noise getting from the relay (mechanical) to the...
I am using the LPC936 as well with 7.328MHz crystals. I have had the same problem in three different projects therefore I doubt it has anything to do with...
which pin have you used ? Regards, Nilesh (09925049517) Potent embedded solutions  ... From: gogainet <gogainet@...> Subject: [lpc900_users] Re: new...
Which programmer are you using?? and while programming the device have you set the boot location to 0x0000H? Pls check, I faced similar problem. By default in...
I will say use ICP Programming Method... Many Commercial and low cost programmers available... Regards, Nilesh (09925049517)Â Â ... From: navneet_copper...
i'm using universal programmer. the compiler i using is keil, in the example there are start900.a51, and i have disable the ISP entry during power up?, that is...
i'm using Parallel method with hi-lo system programmer. i have the ICP proggrammer but i not yet try it. ... programming ... <gsembox- ... program ... ...
can you send me your software ??? Regards, Nilesh (09925049517)Â Â ... From: gogainet <gogainet@...> Subject: [lpc900_users] Re: new LPC925 user-haw to...
this example program from keil. #include <REG925.H> // register definition void delay (unsigned int cnt) { while (--cnt); } void main() { unsigned char i; ...
Hello folks, Anyone of you ever tried to succesfully "talk" to an SPI device like a flash memory or a RTC(?) I tried Code architect but in vain :( Plz any code...
Hello Timothy, I made a project with LPC932. I code the simulating SPI to "talk" to a digital temperature sensor. It means that you should write the driver...
Min
minming.zheng@...
Jul 28, 2008 6:49 am
517
Hello Min, Thanks for the reply. I wrote a software SPI comunication routine in C using he Keil simulator , all ok , but it seems that the core is too slow for...
Hello Timothy, attached you find extracts from a project I worked on 2 years ago. Because of copyright I can not send the whole project. But the files includes...
Armin, Thank you very much for your responce :))) But i cant download the .zip file , cause it says (not stored) and i cant download it - it does not hand and...
Try downloading it using mozilla FireFox (info can be found at: http://www.mozilla.com/en-US/about/whatismozilla.html . Use FireFox instead of Internet...
Hello Timothy, below I have pasted the 3 files, which was included in the zip file. The identifier not defined in P936lib.h come from Reg936.h, the Keil header...
Hi I had a problem during startup. LPC936 does not reset upon power on during startup whenever there is a Mains power failure or while switch on the device....
rahul shinde
rahul.shinde@...
Aug 1, 2008 6:36 am
523
Dear Rahul,  This is th eproblem of Power On Reset if your Vdd will not drop below 0.2V and again Mains power will on .. then your Vdd cycle is not proper...
Hi Nilesh, Thanks for your reply.... 1) I m using the SMPS power supply, so how can i drop my VDD immediately? 2) I have tested the setup for minimun 30 sec...
rahul shinde
rahul.shinde@...
Aug 1, 2008 10:25 am
525
Dear Rahul, Â YOu can check the with Battery of 3.3V.. and check is your system hangs or not. Â Second : you can use P89LPC952 or P89LPC954 which is not...
Hi Nilesh, 1) I m Using SMPS with 12V,1A current rating for my application so it is not possible me to test the system on Battery. 2) I have tested the system...
rahul shinde
rahul.shinde@...
Aug 1, 2008 10:50 am
527
Use CAP Free LDO... in Power Supply... And if your controller will not start all port may be high around 3.4 or 4.5V but behaviour may be erratic... Â ...
How about using the MCP809 three terminal processor reset chip. It holds the system in reset until the power supply reaches 2.9 volts on a 3.3 volt system....
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
