[lpc2000] Electrical specifications of LPC2148
2006-04-28 by Alexey Bishletov
Hi, all! Where can I find electrical characteristics of LPC2148, e.g. I consumed from Vbat? User manual has not such information. WBR, Alex
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Re: Bootloader initializations ?
2006-04-28 by austin.linux.lpc2294@boardsailor.com
I have been trying to get my LPC2294 eval board from Olimex working with interrupts, and I am having quite a bit of trouble. Could I see some code that would
Re: Real time library from Keil (ARTX)
2006-04-28 by liawkimjuan
... I try it before. but the related document of ARTX is hard to find. Anyone can share out in this forum?
Re: lpc3000 forum?
2006-04-27 by elektrknight
Hi, I don t think much is happening with the lpc3000 family, at least from our point of view. There was only one data sheet update since Philips announced
Re: DCD signal force LPC2xxx go into Bootloader during reset
2006-04-27 by brendanmurphy37
John, I m sure what you describe, or something close to it can be made to work OK. I guess we just took the easy way out and said: let s not use the pin for
Re: Problem running LPC2106 with MAM, PLL and UART1 interrupts.
2006-04-27 by karlstiller
Hey Guys, Problem solved. The supply of 1.8V to the processor was ok when running without the PLL and MAM. When the PLL was added, the voltage fell to 1.3V.
Re: [lpc2000] Powerdown and 3.3V supply
2006-04-27 by 3gpabko
Hello Richard, I have such a device. Just before the MCU goes in PowerDown it cuts 3.3V supply. In this mode on board remains only 1.8V powering the MCU and a
Re: DCD signal force LPC2xxx go into Bootloader during reset
2006-04-27 by John Heenan
I think the problem can be solved with a single OR gate. 1. As soon as power becomes available to a reset LPC2xxx any free port1 pin will be pulled high due to
Re: CodeWarrior license issue
2006-04-27 by dicianni3
... Sorry! Wrong group too many projects I guess.
Re: [lpc2000] Re: CodeWarrior license issue
2006-04-27 by Dave Such
Ditto....also couldn t get it to compile either. Tech support never responded to my questions. This was after I bought two eval boards. Message should have
Re: [lpc2000] Re: CodeWarrior license issue
2006-04-27 by Ralph Hempel
... I hear you. The CodeWarrior License message should read: You will be unable to use MetroWerks C/C++ because of all the compiler bugs I think
Re: CodeWarrior license issue
2006-04-27 by bobtransformer
I think you meant to post this to a Freescale or Motorola micro group. Having said that though, I ve had MANY unwanted messages from Code- terrorist in the
CodeWarrior license issue
2006-04-27 by dicianni3
Has anyone had a problem where a message appears Unable to use plugin MetroWerks C/C++ . I orginally thought I had a license problem, but a valid license is
Re: Powerdown and 3.3V supply
2006-04-27 by Richard
Powering the 1.8 volt regulator and a supervisor IC (1.8 v threshold)from the battery will solve the issue, I think..... Rich
Powerdown and 3.3V supply
2006-04-27 by Richard
I am working on a battery powered device using the 2106. I would like to use 3.3V supply that I can shut down and a 1.8V supply with low quiescent current. I
Re: Real time library from Keil (ARTX)
2006-04-27 by zarozaro
I looked at the web and there are not many hits and links for it. I wonder if it is something that works right out of the box or just an incentive to buy
Re: [lpc2000] Re: DCD signal force LPC2xxx go into Bootloader during reset
2006-04-27 by Mark Norton
Use a transceiver chip with an enable pin. The enable is controlled by the micro so on reset the transceiver is disabled and thus the micro will not go into
Re: DCD signal force LPC2xxx go into Bootloader during reset
2006-04-27 by brendanmurphy37
John, I don t think this approach would solve the basic problem, which as I understand it is something like: - system is using modem, which is on a call: hence
Re: DCD signal force LPC2xxx go into Bootloader during reset
2006-04-27 by John Heenan
What about a simple brute force hardware approach that 1. Forces P0.14 high as soon as power is available. 2. Turns off the brute force during initialisation.
Re: [lpc2000] UART current limits
2006-04-27 by David Hawkins
... Analog devices makes a product line called iCoupler. It can be used as a replacement for optoisolators (they re magnetic isolators). They operate up to may
Odd behaviour when writing to external flash
2006-04-27 by davidbinar
I m trying to implement CoDeSys SP (http://www.3s-software.com/) on a Olimex 2294 Development board but have run into some problems. I ve got the program up
Re: UART current limits
2006-04-27 by donhamilton2002
... http://www.analog.com/en/prod/0,2877,ADuM1201,00.html Max. Data Rate 25Mbps
Re: [lpc2000] UART current limits
2006-04-27 by Mukund Deshmukh
... Can you suggest some opto coupler for 115200 baud rate? Best Regards, Mukund Deshmukh. Beta Computronics Pvt Ltd 10/1, IT Park, Parsodi, Nagpur-440022 Cell
Re: [lpc2000] UART current limits
2006-04-27 by Peter Jakacki
... That depends on your choice of opto, drive and load resistors more than anything else, these are your limiting factors. Assuming the opto is fast enough
Re: [lpc2000] UART current limits
2006-04-27 by Herbert Demmel
... That depends very heavily on the optocoupler you use; some of them can be used for 9600 baud only, some are very fast. Have a look in the specs of the
Re: [lpc2000] UART current limits
2006-04-27 by Mukund Deshmukh
... What is maximum baud rate achievable in isolated RS232. We are unable to get more than 38400. Best Regards, Mukund Deshmukh. Beta Computronics Pvt Ltd
Re: [lpc2000] UART current limits
2006-04-27 by Peter Jakacki
... Yes, I have implemented isolated coms using HP2531s via 220R resistors without any problems. Vol/Voh are not as relevant as Iol/Ioh when driving leds and
Counting time intervals using for loop!
2006-04-27 by ghetto_shinobi
Hi!! I wanted to replace my current timer function with simple for loop to measure time interval.So i added in my code function void delay (volatile unsigned
Re: DCD signal force LPC2xxx go into Bootloader during reset
2006-04-27 by brendanmurphy37
I don t believe I did misinterpret what the original poster said: they expressed a concern that units in the field could potentially be left in a state that is
Re: UART current limits
2006-04-27 by theothervmax
... Hi, I haven t got the datasheet right for this part. If you have one you may search there for IOH and IOL in Static characteristics section. Most
Re: [lpc2000] DCD signal force LPC2xxx go into Bootloader during reset
2006-04-27 by Branko Karaklajic
Hello misstero, Wednesday, April 26, 2006, 8:42:10 PM, you wrote: m Dear All, m I have design which is connected modem signals to UART1 (Full UART) of m
Re: DCD signal force LPC2xxx go into Bootloader during reset
2006-04-27 by jayasooriah
Murphy s law of this forum seems to have struck yet again -- if there is any way a comment can be misinterpreted, someone surely will :) ... Nobody said
UART current limits
2006-04-27 by Andrew Berney
Does anybody know if the UART TX line on the LPC2129 is capable of supplying 2.2mA, as I need it to drive an optocoupler for isolation Cheers Andy
Re: [lpc2000] Re: SPI Slave / SSEL0 using as GPIO ?
2006-04-27 by Herbert Demmel
Don, thank you for your effort. No, I m not desperate, I m just in the design phase and I *will* use SSEL0, as the SPI connects to customer s hardware, so I
Re: [lpc2000] UART0 and Printf
2006-04-27 by John Stamos
Thanks for the help guys. I finally got things working and ultimately George was right in that I inited some of the UART0 parameters wrong. In addition to
Re: 2103 forces dual supply?
2006-04-27 by Ed Schlunder
... Quick heads up for all you guys looking at fixed voltage regulators for the LPC2103... There s an errata on the 1.8V pin that says you should provide 1.95V
Re: DCD signal force LPC2xxx go into Bootloader during reset
2006-04-27 by brendanmurphy37
... pin to enter Bootloader mode. If you re producing product in any sort of volume this is a poor strategy, in my opinion. Apart from not guaranteeing the
Re: [lpc2000] 2103 forces dual supply?
2006-04-27 by Robert Adsett
... Others have pointed out the use of dual regulators to save space but just as important is the use of a fixed voltage regulator. Unless you are using
Re: [lpc2000] Re: Re: Re: 2103 forces dual supply?
2006-04-27 by Robert Adsett
... I had misread your quiescent current as operating current. Makes a bit of difference :) ... Not quite, you still have to add your sleep current that
Re: [lpc2000] Re: SPI Slave / SSEL0 using as GPIO ?
2006-04-27 by Don Williams
May I reply that asynchronous serial comms has just the same problem and DTR and CTS etc need not be used. Although asynch USARTs have overclock per bit space
Re: DCD signal force LPC2xxx go into Bootloader during reset
2006-04-27 by jayasooriah
... location. Have you considered using another pin for DCD purposes so that it does not intefere with Bootloader functions? ... One client had the same
Re: Re: Re: 2103 forces dual supply?
2006-04-26 by Steve Franks
... supply of from 7mA to 41mA you are already in a different league. Three orders of magnitude is not easily crossed. Not necissarially - the AtMega128 8-bit
Re: DCD signal force LPC2xxx go into Bootloader during reset
2006-04-26 by brendanmurphy37
It s probably not much help to you, but we specifically don t use the DCD line in a connection to a modem for this very reason. In other words, if there s even
Re: [lpc2000] Real time library from Keil (ARTX)
2006-04-26 by Marko Pavlin (home)
I do. Why? BTW: author of the ARTX is just 500m away from my company ;)
DCD signal force LPC2xxx go into Bootloader during reset
2006-04-26 by misstero
Dear All, I have design which is connected modem signals to UART1 (Full UART) of LPC2xxxx but I found serious problem with DCD signal. DCD signal of UART1 is
Re: 2103 forces dual supply?
2006-04-26 by rtstofer
... The TI TPS767D318PWP is in stock at Mouser $4.8. Unfortunately, it comes in a 28 pin power pad package about 7x10 mm. Richard
Re: Any Example assembler Program for ARM
2006-04-26 by karlstiller
... I use the IAR Kickstart compiler. I know of this limitation, but if you just want an idea of what the assembly is like, what you can do is the following:
Re: Problem running LPC2106 with MAM, PLL and UART1 interrupts.
2006-04-26 by karlstiller
... before and ... No no, nothing like that, just a set-up and use strategy. After a somewhat decent sleep I will add in use of the UART in the test program to
RE: [lpc2000] 2103 forces dual supply?
2006-04-26 by Matthew Kavalauskas
I have used that Maxim chip for another purpose (it is pretty low noise), but good luck getting small quantities of it and forget Digi-Key or Newark.
Re: [lpc2000] Re: 2103 forces dual supply?
2006-04-26 by Herbert Demmel
... Did you have a look for the MOQ (2 or 3000 !!!) ??? Regards Herbert ... [Non-text portions of this message have been removed]