RE: [lpc2000] ARM7+4UART+FLAHS?
2005-04-12 by Curt Powell
ST Microelectronics STR7xx family. ... From: James Dabbs [mailto:jdabbs@tga.com] Sent: Tuesday, April 12, 2005 6:34 AM To: lpc2000@yahoogroups.com Subject:
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Re: [lpc2000] ARM7+4UART+FLAHS?
2005-04-12 by Robert Adsett
... I think one of the ST variants may. I was looking at them for a possible project but haven t been tracking them very closely since they dropped the serial
Re: [lpc2000] ARM7+4UART+FLAHS?
2005-04-12 by Robert Wood
... functional USARTs and a Debug Unit (I wish Atmel would change its name). The Debug Unit is a UART (not USART) with transmit and receive lines (no control
RE: [lpc2000] ARM7+4UART+FLAHS?
2005-04-12 by Anton Erasmus
... Which external quad UART ? I have had issues with the Texas Instruments TL16C754BPN connected to an LPC2292. Regards Anton Erasmus ... -- A J Erasmus
RE: [lpc2000] ARM7+4UART+FLAHS?
2005-04-12 by Lowry, Jeff
I m using the philips 16C554DBIA. Still in prototyping but so far so good. ... From: Anton Erasmus [mailto:antone@sentechsa.com] Sent: Tuesday, April 12, 2005
Re: [lpc2000] ARM7+4UART+FLAHS?
2005-04-12 by Bill Knight
The Atmel AT91SAM7A3 has four UARTs. There are three fully functional USARTs and a Debug Unit (I wish Atmel would change its name). The Debug Unit is a UART
RE: [lpc2000] ARM7+4UART+FLAHS?
2005-04-12 by Lowry, Jeff
There may be but my current project uses a Philips 2131 with an external quad uart. ... From: James Dabbs [mailto:jdabbs@tga.com] Sent: Tuesday, April 12, 2005
ARM7+4UART+FLAHS?
2005-04-12 by James Dabbs
Is there a FLASH ARM7 uC that has 4 UARTS in it?
Data abort
2005-04-12 by jones3hsu
I have project to use LPC2214 , but I found sometime i will got Data abort. I use F10 to run the function call is ok , but if i use F8 to step the function, i
power sequencing
2005-04-12 by Gennady Palitsky
Could anybody please reference me to the proper power sequencing procedure for the LPC2124. I couldn t find it anywhere. Thank you, Gennady
Re: CAN interrupt problem
2005-04-12 by lpc2100_fan
Artturi, did you use the CAN examples programs that can be found in the files section? THose do work.
Re: LPC2138 at high speed
2005-04-12 by lpc2100_fan
Gus, did you program MAMTIM to 2 or even 3? That is the only issue that would come to mind for not working at 60 MHz if MAMTIM = 1 hth, Bob
LPC2138 at high speed
2005-04-12 by Gus
When I run LPC2138 at speed close to 60Mhz, the chip acts funny! My code wouldn t work. The EXACT same code works fine on LPC2114 and on 10Mhz-LP2138. Did
Re: [lpc2000] borked serial port in LPC210x ???
2005-04-12 by Bill Knight
Pawel It might be that because the clocks on the two machines are not EXACTLY the same,t the PC is overrunning the UART on the LPC every so often. For a qucik
borked serial port in LPC210x ???
2005-04-12 by Pawel Sikora
Hi all, I wrote a simple program called serial-echo . It receiving bytes from PC and sending they back to the PC. During long time transmissions received
Re: [lpc2000] Re: HOT Debuging
2005-04-11 by Anton Erasmus
... I am not exactely sure what you are warning against. Do you mean line voltage or mains voltage when you say netspanning ? Are you saying that the
Re: [lpc2000] CAN interrupt problem
2005-04-11 by Richard Duits
Hello Artturi, To use the CAN controller you need to connect both CAN-RX and CAN-TX pins to a CAN tranceiver, which is connected to the CAN bus. In your code I
Re: [lpc2000] Re: port timing
2005-04-11 by Gennady Palitsky
... From: embeddedjanitor To: Sent: Sunday, April 10, 2005 3:12 PM Subject: [lpc2000] Re: port timing ...
Re: [lpc2000] CAN interrupt problem
2005-04-11 by artturi
I still haven t managed to get this working. Could someone give me little advice please? //Artturi
Re: spi in lpc2106
2005-04-11 by Jeetendra Singh
Thanks aumat123 i followed your advice and got the fault actualy SSEL pin was dry soldered. Now i am trying to interface MMC card through SPI. Jeetendra ...
Re: [lpc2000] LPC programming only at low baudrate
2005-04-11 by Peter Jakacki
I have had problems with USB serial interfaces. The utility works flawlessly at 115.2K on my desktop but can be a dog on some types of serial ports. I also had
Re: [lpc2000] Re: port timing
2005-04-11 by Peter Jakacki
SSP as SSI slave
2005-04-11 by lxlxlx_83
Hi, I will use the SSP interface of LPC2138 in slave the mode (SSI). I tried many settings, this has only not yet conducted to an workable result. In the user
LPC programming only at low baudrate
2005-04-11 by acetoel
Hello. Yesterday I finished my LPC board. I used a MAX3232 CPE instead of the MAX232 that I used on the protoboard. The 3.3V and 1.8V regulators are working
Re: port timing
2005-04-11 by philips_apps
Hi community, Yes we are listening and yes we are working to make the ports as fast as possible. Give us another 6-8 weeks and you can get samples of such a
Re: [lpc2000] Re: Wiggler with LPC2124
2005-04-11 by Leon Heller
... From: yekai1k To: Sent: Monday, April 11, 2005 8:45 AM Subject: [lpc2000] Re: Wiggler with LPC2124 Hello
Re: Wiggler with LPC2124
2005-04-11 by yekai1k
Hello Leon I down load OCD Commander and short P1.8 and P1.15 as you mentioned . OCD Commander can read the register and cpu status, but while i trying to
Re: [lpc2000] Re: port timing
2005-04-11 by Peter Jakacki
I am quite aware of the cell nature of the beast. Butting cells together is fine for predesigned and certified functions. The current cell design for the ARM
Re: [lpc2000] Re: port timing
2005-04-11 by Leon Heller
... From: Peter Jakacki To: Sent: Monday, April 11, 2005 2:49 AM Subject: Re: [lpc2000] Re: port timing ...
Re: [lpc2000] Re: port timing
2005-04-11 by Peter Jakacki
Different strokes for different folks, and even those folks differ their strokes for different folk. The cpu shouldn t be constrained by something that really
Re: [lpc2000] Re: port timing
2005-04-11 by Robert Adsett
... Well I do embedded real-time control and pin toggling speed is not of great importance for what I do. Different problem areas have different constraints.
Re: [lpc2000] Re: port timing
2005-04-11 by Gennady Palitsky
... From: Peter Jakacki To: Sent: Sunday, April 10, 2005 9:49 PM Subject: Re: [lpc2000] Re: port timing ...
Re: [lpc2000] Questions on LPC Flash Programming Routines
2005-04-11 by Bruce Paterson
... OK on that. Only the first write can change it. Subsequent writes to the same area must re-write the same data. ... Thought it might :) ... Ahhh I get it.
Re: [lpc2000] Re: port timing
2005-04-11 by Peter Jakacki
Update frequency is not the same as output frequency when toggling. If you turn the outputs on and off at an update rate of 7.4MHz you will end up with a
Re: [lpc2000] Re: port timing
2005-04-10 by Gennady Palitsky
... From: embeddedjanitor To: Sent: Sunday, April 10, 2005 3:12 PM Subject: [lpc2000] Re: port timing ...
i2c
2005-04-10 by djflaechenbrand
Hi I use an olimex evaboard (LPC2106) and the gcc (Winarm). I would like to use the I2C interface but it won t work. ARM should be the master. I have 10K
Re: HOT Debuging
2005-04-10 by lxlxlx_83
... ULINK? For ... like ... not to difficult to ... isolated, and you ... isolation. ... Careful! An ethernet transformator has not been arranged for
[lpc2000] Re: port timing
2005-04-10 by Gennady Palitsky
... From: embeddedjanitor To: Sent: Sunday, April 10, 2005 3:12 PM Subject: [lpc2000] Re: port timing ...
Re: [lpc2000] Re: port timing
2005-04-10 by Marko Pavlin (home)
... Here s a message: http://groups.yahoo.com/group/lpc2000/message/4000 You are right, max. toggle is 3.7MHz. Marko
Re: port timing
2005-04-10 by embeddedjanitor
... I once asked Philps for a spec and they weasled out of it saying that there were too many variables. There are a few, including clock speed, MAM settings,
Re: port timing
2005-04-10 by leon_heller
... data ... 3.7MHz). ... cycle (3 ... pld and ... The group is archived here. The search facility isn t very good, you have to step through lots of pages.
Re: [lpc2000] port timing
2005-04-10 by Gennady Palitsky
Thanks a lot for the reference. Too bad it s not documented anywhere in Philips papers. So it seems that the BEST result I can get with loading consecutive
Re: [lpc2000] port timing
2005-04-10 by Robert Adsett
... There have been multiple threads on this starting with Simple test program - is now instruction pipeline/VPB question back in Nov of 2003. An
port timing
2005-04-10 by Gennady Palitsky
Maybe someone can help me to clarify the question with GPIO timing. My intention is to move some data from flash to port0 on LPC2138 as fast as possible. I
Re: [lpc2000] Re: float in interrupt function?
2005-04-09 by Robert Adsett
... On an ARM the only difference between an int and an unsigned long is the sign bit. If you are changing to prevent overflow that won t be any help you
Re: [lpc2000] Re: float in interrupt function?
2005-04-09 by Robert Adsett
... Um, no. The C compiler MUST assume that any global variable can change across a function call if it can t trace the call (ie if it s in a separate
Re: [lpc2000] Re: float in interrupt function?
2005-04-09 by Robert Adsett
... Hmm, you need a new startup, the startup should initialize all globals for you (either to zero if unspecified or whatever is assigned to them) ... There
Re: float in interrupt function?
2005-04-09 by charlesgrenz
Yes that makes sense. I always initialize all my global variables in main as a standard procedure (or some initialization procedure for each module). That also
Re: float in interrupt function?
2005-04-09 by ed_hage
I also posted the question on the gnuarm group and there I got a good tip. Apparently my startup code was not good; the globally defined variables were defined
Re: float in interrupt function?
2005-04-09 by charlesgrenz
What s the assembly look like? Charles