Hi there, I'm having problems putting the LPC into the total power-down mode when using a boud rate of 9600 for the UART interface. The courious thing is that...
Hi Im a beginer in this. Im from Slovenia so my language is not so good, and i have a question how to connect and program 4X20 LCD to LPC936, and ho to write a...
Hi All and NXP App's, I am doing a development with a LPC925 that will be the ISP to ICP bridge. I would like to modify the latest (ver 1.7) Bridge code so I...
I just found an error in the P89LPC952 User Manual (Rev.00), and also in the reg952.h header file that you can download from the Keil website. The error is in...
... My fault: this is not true. I just checked the esacademy code generator, and the code is correct now. Maybe I downloaded the UART0 code and then modified...
I found out another problem with using LPC952 serial port 1: the interrupt enable bit is IEN2.2 and the IEN2 SFR address is D5H. (This is correct, as in the...
... No, my fault again... the bug is in the Esacademy code architect that generates an ANL instead of a ORL with the bitmask. I was so "fused" after many hours...
I have just purchased a Keil EPM900 emulator. After installing the uVision software, I am unable to use the help system. I was told to update the software to...
Using a P89LPC932, 3, 4, or 5, when Timer 1 overflow (Timer 1 in Mode 2) is used as the source for I2C SCL (CRSEL = 1), TH1 determines I2C SCL rate. I have...
Hello, I am starting a small project on LPC932. There seems to be quite a few toolchain options out there: Keil Rigel Raisonance IAR SDCC (open-source) Which...
Hi, there are two options from Keil. A free 4k version called LPC-Studio and a low cost 16k version for NXP LPC900 only. This version can be found here:...
I noticed that the User manual (UM10116.pdf Rev. 02 — 9 June 2005) states that the IAP functions return an error when the Carry Flag is set. But the ISP boot...
Dear John, I had a look at the LPC2_ISP_8K_V04.a51, and it is the F0 flag in PSW. You are right that the IAP function returns error when the Carry Flag is set,...
I don't believe that F0 is the PSW flag bit since I can't find a definition (like: F0 EQU D0) in the file. This would mean the assembler would interpret it as...
Dear John, FO bit is PSW only. You can also look at header(.h) file or include(.inc) file In LPC9xx.h ---> sbit F0 = PSW^5; In LPC9xx.INC ---> F0 BIT...
I did not include either of those header files. In fact, the 'LPC2_ISP_8K_V04.a51' compiles without adding any other files to the project. I compiled...
Ok let me know which crosss compiler are you using ? If you are using Keil then by default SFR definition is of 8051 standard SFR definition. Nilesh john...
OK, I see what you guys mean. The uVision IDE try's to be too smart for it's own good and adds the definitions (somewhere?) for the standard 8051 by default....
Hi, just found this one on Digikey. http://www.teamfdi.com/products/downloads/support/brochures/LCD%20Demo% 20Brochure%20Rev1.pdf It is a demokit for LPC900 +...
Hi, I'm using a P89LPC936 with a 12MHz crystal (SMD case HC49/4H) The uC doesn't always start. It seems that oscillation level is too small (0.5V to 1.6V with...
Hi, i have a problem with the output ports of the LPC930. I try to switch a FET by toggling a port pin. Works just fine, but if I set the output = LOW in the...
denverone@...
Aug 3, 2007 1:41 pm
445
You must set it high during initialization as this overrides toggeling (I'm assuming that you are open drain or weak pull-up mode) John W. Poore, Principal...
At another pin I have a LED and there it is working, even if I set the pin LOW during the initialization....
denverone@...
Aug 6, 2007 6:40 am
447
Hi -- I just joined this group and am looking for some feedback. A) To program (write programs for) the LPC9XX which compiler do you find better 1) SDCC or 2)...
I used both, and I can say that depends on your knoledge an target: if you want to hava a free tool, you have to choose SDCC and will have also a lot of ather...
Hi! The LPC935 has two DAC outputs. I thought it would be nice to use those DACs in a new design. I've done some testing with DAC and it works... well, in some...
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