Re: Offtopic: any high efficiency voltage regulator suggestion?
2005-12-02 by Guillermo Prandi
Thanks, Joel. Efficiency on those chips seems still very low (around 50% for my circuit s average load, 15 mA), though the low quiescent current seems
Messages
Browse messages
Page 110 of 329 · 16407 messages matched
RE: [lpc2000] Offtopic: any high efficiency voltage regulator suggestion?
2005-12-02 by Joel Winarske
Guille wrote, ... I ve used the MAX5035 for automotive apps. Nice part. http://www.maxim-ic.com/solutions/automotive/parts.mvp/scpk/1458/pl_pk/0 You might
RE: [lpc2000] [IAR EW-ARM] Internal Error???
2005-12-02 by Dan Beadle
I believe that this may be caused by including CSPY options. Things like printf work in debug to display messages to the debugger screen. The underlying
Re: GCC reading ram in lpc 2292 - is it possible??
2005-12-02 by Ken Wada
/* To read */ unsigned long LPC2292_ramRead (const unsigned long address) { return (* (volatile unsigned long *)(address)); } /* To write */ void
Re: [lpc2000] Re: LPC2103 User Manual
2005-12-02 by Mauricio Scaff
I know that a manual is important, but as far as I know all LPC21xx members are very compatible, so why don t you start your development using as base, let s
Re: LPC2103 User Manual
2005-12-02 by Gus
I asked the same question last week with no response! Having the manual now is a MUST Gus ... this,
Re: [lpc2000] GCC reading ram in lpc 2292 - is it possible??
2005-12-02 by Joe G (Work)
#define IOSET1 (*((volatile unsigned long *) 0xE0028014)) for address 0xE0028014 ... From: boje_d To:
Re: [lpc2000] GCC reading ram in lpc 2292 - is it possible??
2005-12-02 by 42Bastian Schick
boje_d schrieb am Fri, 02 Dec 2005 14:35:34 ... Question back: How would you do it normaly (sounds like a homework question to me.)
GCC reading ram in lpc 2292 - is it possible??
2005-12-02 by boje_d
Hi im using gnuarm GCC toolset. I want to make a c routine to read on a specefic ram location. I want this to be a c file. I am using a lpc2292processor Is
LPC2103 User Manual
2005-12-02 by Paul Curtis
Hi All, Well, I have an LPC2103 board. Great, the silicon exists. Now, come along Philips, you need to publish the User Manual for this, not just a wretched
Re: [lpc2000] LD for samsung S3c4510b
2005-12-02 by Tom Walsh
... Sure: info ld has lots of information about linker scripts. There is a whole section of the ld info pages just about linker scripts! RTFM ... -- Tom
Re: [lpc2000] Multiple microcontrollers
2005-12-02 by Tom Walsh
... I use a 3.3v osc and attenuate that. It is digikey P/N: 535-9255-1-ND Along with that osc, I also have 1)3.9K, 2)2.2K, and 2)100p caps. The two 2.2K
Re: [lpc2000] [IAR EW-ARM] Internal Error???
2005-12-02 by 42Bastian Schick
Mukadder Ceyhan schrieb am Fri, 2 Dec 2005 01:22:52 ... Try support@iar.com ?! -- 42Bastian Schick
LD for samsung S3c4510b
2005-12-02 by latheef
Following is the Linker script for samsung S3C4510B.Can anyone explain how it is interpreted. SECTIONS { Image_RO_Base = 0x0; Image_RO_Limit = 0x0200000; . =
[IAR EW-ARM] Internal Error???
2005-12-02 by Mukadder Ceyhan
When compiling the project in debug mode, there is no error that EW-ARM gives. But compiling in release mode, the following errors occur and .hex file can not
Re: communication channel interrupt
2005-12-02 by tasking12
I do it, but I have had hope the communication channel Interrupt is edge driven and not level driven. I mean Interrupt is not a free flag. Thanks for help
Re: [lpc2000] Multiple microcontrollers
2005-12-02 by Laurens Swaans
Tom, Could you please tell me what kind of oscillator circuit you use? I m quite confused about what the LPC2129 datasheet specifies. What I get from it is
Re: [lpc2000] JTAG problem
2005-12-02 by Dominic Rath
Hello, this seems to be a minor bug in the LPC chips. Just write to the register, and ignore the value you read back. Regards, Dominic
Re: [lpc2000] Multiple microcontrollers
2005-12-02 by Laurens Swaans
Thanks Tom, It s good to hear that someone has already succesfully used this idea. I ve almost finished the PCB lay-out. Looks pretty need! Regards, Laurens
Re: [lpc2000] Umang new member
2005-12-02 by 42Bastian Schick
haare_in_der_dusche schrieb am Thu, 01 Dec ... But search the list archive before asking :-) -- 42Bastian Schick
Re: [lpc2000] Re: Question about Ashling Opella ?
2005-12-02 by 42Bastian Schick
otakupigboy schrieb am Thu, 01 Dec 2005 15:12:44 ... One thing, the one who sold you the Opellas, should have sold you the Pathfinder
Re: [lpc2000] Re: Question about Ashling Opella ?
2005-12-02 by 42Bastian Schick
otakupigboy schrieb am Thu, 01 Dec 2005 15:12:44 ... You can buy the LPC2000 eval board (195USD) which comes with the limited
Re: Offtopic: any high efficiency voltage regulator suggestion?
2005-12-02 by Guillermo Prandi
Thanks, Clyde. Yes, this is more like it. However it seems a little hard to get. None of the TI distributors seem to have it in stock, though it seems that it
Re: Offtopic: any high efficiency voltage regulator suggestion?
2005-12-02 by Guillermo Prandi
I thought of that, Tom (separate supplies), but I realized that I wouldn t get anything from it, because there is this single device that goes from
Re: Offtopic: any high efficiency voltage regulator suggestion?
2005-12-02 by Guillermo Prandi
The battery will be recharged after... 21 days of continuous operation!!!! You can imagine how big a deal is a couple of mAmps in such a long time... The
Re: [lpc2000] Offtopic: any high efficiency voltage regulator suggestion?
2005-12-02 by Clyde Stubbs
... How about this one? http://focus.ti.com/docs/prod/folders/print/tps62111.html -- Clyde Stubbs | HI-TECH Software Email:
Re: [lpc2000] Offtopic: any high efficiency voltage regulator suggestion?
2005-12-02 by Tom Walsh
... Keep in mind that most off-the-shelf supplies are intended for general purpose use / short run / prototypes. Anyone doing significant production
Re: [lpc2000] Offtopic: any high efficiency voltage regulator suggestion?
2005-12-02 by Sean
Is this for use in an automotive environment? Is 4.3mA or 50% efficiency when at low currents that big a deal? What s the amp-hour rating of the battery, and
Offtopic: any high efficiency voltage regulator suggestion?
2005-12-02 by Guillermo Prandi
Hi! I am in trouble trying to find a voltage regulator suitable for my project; my project features an LPC2138, a GPS and a radiomodem. When idle, it draws
RE: [lpc2000] IAR and .HEX file for LPC2294
2005-12-01 by Joel Winarske
... I use JTAG for loading, but I recall this working: General Options, Linker, Format - other, Output format: intel-extended, Form variant: none Joel
JTAG problem
2005-12-01 by Gus
Hello, I am writing my own code to do JATG on LPC chips. In Shift-IR state, I am able to select any one of the JTAG commands and I get back 0001 as the ARM
Re: [LPC2000] external address and data bus (was: communication channel interrupt)
2005-12-01 by Sean
{Heh... I totally responded to the wrong email on this one. I meant to respond to the following email:} ... Depending on what you want to do you may be able
Re: [lpc2000] communication channel interrupt
2005-12-01 by Sean
... Depending on what you want to do you may be able to simulate the bus yourself. I have an external 512KB SRAM chip hooked up to my 2148 just bit-banging on
Re: communication channel interrupt
2005-12-01 by Karl Olsen
... I guess you are thinking of the A*mel USARTs. The Transmit Holding Register Empty interrupt flag of the 16C550 compatible UARTs in LPC2000 must be reset
RE: [lpc2000] Re: RTC problem
2005-12-01 by Dan Beadle
Have you tried an oscilloscope to look at it? Normally, you should see a low voltage signal - a sine wave about 1Vpp at 32K. If no signal... - swap
Re: [lpc2000] communication channel interrupt
2005-12-01 by Richard Duits
The DCC (debug communications channel) interrupts are cleared when the data is read (rx interrupt) or written (tx interrupt). If you have no more data to send,
Re: [lpc2000] Umang new member
2005-12-01 by haare_in_der_dusche
Umang new member
2005-12-01 by malhotra_umang@yahoo.com
Hello Friends, I am working in Delhi (India)...in embedded field. I am a new comer to this field. So, I have many queries. If anyone can help me out...plz
Re: External address and data bus
2005-12-01 by Jean-Rene David
... No, as even a cursory look at the datasheet will reveal. You might want to look at the LPC22xx flavors. They do have external bus pins. -- JR
communication channel interrupt
2005-12-01 by tasking12
Hi all, does anyone know, has a communication channel an interrupt flag which must be cleared in the Interrupt routine? Thanks
Re: Question about Ashling Opella ?
2005-12-01 by otakupigboy
... Hi shridhar.. Thanks for the info... Question though - where did you get the limited pathfinder from ? I ve been quoted over $600, which is a fair whack of
Re: [lpc2000] External address and data bus
2005-12-01 by Leon Heller
... From: vineet jain To: Sent: Thursday, December 01, 2005 3:04 PM Subject: [lpc2000] External address and
External address and data bus
2005-12-01 by vineet jain
Hello everyone, Just wanted to know if there was support for external address and data buses on LPC2104 controller.., i mean the pins acting as addr. and
IAR and .HEX file for LPC2294
2005-12-01 by mahbub1833
Hi, How can I generate .hex file for LPC2294 using IAR workbench? I found several extra output options and 3/4 types of .hex file type. But I couldn t download
Re: [lpc2000] Multiple microcontrollers
2005-12-01 by Tom Walsh
... Pretty much what I m doing, I have two processors on my board: LPC2106 doing outside world communications through multiple serial interfaces, LPC2138 doing
Re: [lpc2000] Re: RTC problem
2005-12-01 by Tom Walsh
... If you have a scope, you would see about 1v p-p signal there, at least on my board. Two can stop the RTC from running, the PCON settings and the CCR. My
Re: LPC2146 Keil Mass Storage Example
2005-12-01 by mark_dell555
Thanks for the help, just figured it out. You need to use CMD_SET_MODE, to tell it to generate interrupts on Bulk In NAK. Check out pg224, of the LPC214x
Re: [lpc2000] Re: MMC DOS FAT16 filesystem source available
2005-12-01 by Tom Walsh
... There is so much confusing information on the wigglers on the net. Almost all of it is half-baked information, they seem to think that people have as much
Re: LPC2146 Keil Mass Storage Example
2005-12-01 by mark_dell555
... Hrmm according to the LPC214x User Manual, if the Bulk-In endpoint is empty, it should send a NAK back to the host, and then generate the Bulk-In
Re: LPC2146 Keil Mass Storage Example
2005-12-01 by goudoevr
... can ... togather ... had ... Hi mark I had the same problem with my own bulk-in transfer intially, but it was solved after I made sure there was always a