Re: [lpc2000] Re: SPI Slave / SSEL0 using as GPIO ?
2006-04-26 by Herbert Demmel
... Thank you all for your input. Yes, Ian, you are right, I really forgot the framing issue, I just thought when being a slave, SSEL0 is held low all the time
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Re: [lpc2000] 2103 forces dual supply?
2006-04-26 by Leon Heller
... From: Xtian Xultz To: Sent: Wednesday, April 26, 2006 3:45 PM Subject: Re: [lpc2000] 2103 forces dual
Re: 2103 forces dual supply?
2006-04-26 by fordp2002
I have looked on Digikey and found some regulators which have both 3.3V and 1.8V in one package :- PQ2L3182MSPQ and LP2966IMMX-1833. I have not tried them but
Re: SPI Slave / SSEL0 using as GPIO ?
2006-04-26 by ian.scanlon
... is set ... SSEL0 can ... which start ... start and ... decoder ... which is ... cant we ... I think the original question concerned ssel pin when the LPC
Re: [lpc2000] 2103 forces dual supply?
2006-04-26 by Xtian Xultz
... Thats what I am using, LM317 with SOT23 footprint. What makes me sad is that both regulators (one for 3,3 and one for 1,8V) plus the resistors ocuppies
Real time library from Keil (ARTX)
2006-04-26 by zarozaro
Does somebody use Keil s real time library that comes with RealView MDK- ARM?
re: boot sector diagnostics
2006-04-26 by Jayasooriah
Hello, A read-only version of my boot sector diagnostics for LPC family (Windows executable) is available at:
Re: [lpc2000] SPI Slave / SSEL0 using as GPIO ?
2006-04-26 by Don Williams
Herbert, Hi There, I do not believe the last advice you received is correct. When SPI is set for Master the table 108 in UM for LPC2138 states clearly that
Re: [lpc2000] Re: external memory on LPC2214
2006-04-26 by Timo Bruderek
Hi ! Thanks for the tip, but i did it already. My schematics are a little bit different in regard to the memory chipselect generation, but i think that is not
Re: [lpc2000] external memory on LPC2214
2006-04-26 by Timo Bruderek
Hi Robert ! Thanks for your idea ! I have desoldered one of the memory chips and limited the SRAM to 2MB now. At the moment, i have no error and uCLinux is
Re: SPI Slave / SSEL0 using as GPIO ?
2006-04-26 by ian.scanlon
... SPI ... (e.g. ... LPC as ... Herbert, You need the SSELx pin in slave mode to start and stop each transfer, otherwise the SPI port wouldn t know where the
Re: [lpc2000] Re-programming device with CRP via JTAG ?
2006-04-26 by 42Bastian Schick
... But AFAIK, ISP should still work. -- 42Bastian
Re: external memory on LPC2214
2006-04-26 by atmelbr
Hi Timo, Take a look at: http://www.ulrichradig.de/site/arm_projekts/webserver/index.htm Look for eagle schematics. Or put a message on this forum:
SV: [lpc2000] LPC2129 Interrupt Problem
2006-04-26 by Kell Jørgensen
Hi Todd, ... I have played a little around with this and I have found that if you write an extra 0 to _VPBDIV before you set the final _VPBDIV it will survive.
SPI Slave / SSEL0 using as GPIO ?
2006-04-26 by Herbert Demmel
Hi all, I plan to use the LPC2138 or LPC2148 SPI (SCK0, MISO0, MOSI0) as a SPI slave only device. Is it possible to use SSEL0 for any other function (e.g.
RE: [lpc2000] Interfacing 8 bit controller
2006-04-26 by Lasse Madsen
Hi vaibhav, This is no problem you just cannot utilize the upper 8/16/24 bits unless you use regular I/O pins to address the high bits of the databus. Best
Interfacing 8 bit controller
2006-04-26 by vaibhav chauhan
well it could be odd to ask peoples of 32-bit about 8-bit...... But can i connect a 8-bit controller with a 16-bit or 32-bit external memory .You can take any
Re: [lpc2000] Re-programming device with CRP via JTAG ?
2006-04-26 by Herbert Demmel
Dominic, sh... this are bad news :-( Anyway, thank you for the info, Dominic. Regards Herbert ... demmel products Radnitzkygasse 43 A-1100 Vienna / Austria /
Re: [lpc2000] Re-programming device with CRP via JTAG ?
2006-04-26 by Dominic Rath
No, there is no such way. If the bootloader finds the value 0x87654321 at address 0x1fc, it leaves the JTAG pins configured as GPIO, and they can t be used for
Re-programming device with CRP via JTAG ?
2006-04-26 by Herbert Demmel
Hi guys, as I could not find the appropriate information in the manual I ask this question to the community: If I have a (e.g.) LPC2148 device with CRP (0x1FC
Re: 2103 forces dual supply?
2006-04-26 by fordp2002
The ports on the LPC2103 can be treated as 4 x 8 bit ports or 2 x 16 bit ports. You can even mix 8 bit / 16 bit / 32 Bit access. The chip also supports setting
Re: ADC zooming along
2006-04-26 by pitstock_kiwi
... Well I tried lots of different ways but found this line to be the fastest in my case. #define ADC_CLK_60_50 0x0B00 // 60MHz/12 = 5.0mhz #define
Re: [lpc2000] Re: Re: 2103 forces dual supply?
2006-04-26 by Robert Adsett
... That s what switched capacitor regulators are for (like the TPS60240). Generally low current but it looks like that is something you are watching anyway.
Re: Re: 2103 forces dual supply?
2006-04-26 by Steve Franks
Ah, thanks for all the feedback. I was not specific enough. I was more interested in an all 1.8V soution than just a single supply. Which is to say 3.3V is
Re: [lpc2000] 2103 forces dual supply?
2006-04-25 by Robert Adsett
... Just put in an LDO. You can get them as small as a sot23 giving you about 90mA with a 30C rise dropping down from the 3V3 supply. Robert Freedom has
Re: [lpc2000] 2103 forces dual supply?
2006-04-25 by Peter Jakacki
Yes, something similar in that I have powered MSP430s with a red led from +5V which gives me 3.2...3.4V. This is of course limited to the maximum forward
Re: [lpc2000] external memory on LPC2214
2006-04-25 by Robert Adsett
... Some debugging suggestions. It s possible but unlikely that uCLinux is copying in a strange fashion. The first thing to do is probably to verify your
Re: [lpc2000] 2103 forces dual supply?
2006-04-25 by Xtian Xultz
... Its too dangerous to generate 1.8V (more or less) from the 3.3V with two diodes in series? Someone tryed this?
LPC2129 Interrupt Problem
2006-04-25 by meepmeep24
Hi, I am using an LPC2129. My VPBDIV is set to 1 . I have been using EINT2 without a problem. I am able to set EXTPOLAR and EXTMODE without a problem. I am
Re: [lpc2000] Re: Problem running LPC2106 with MAM, PLL and UART1 interrupts.
2006-04-25 by Robert Adsett
... Just a thought but you don t try to use the same UART settings both before and after setting the PLL do you? ... Not that I ve noticed. I did see some odd
Re: Problem running LPC2106 with MAM, PLL and UART1 interrupts.
2006-04-25 by karlstiller
Hi guys, I ve done some more testing with some of the different values proposed for the PLL and MAM, but the problems continue. From this I suppose that the
Re: 2103 forces dual supply?
2006-04-25 by rtstofer
... after...
Re: [lpc2000] 2103 forces dual supply?
2006-04-25 by Robert Wood
... VccIO and VccA pins on the 2103 is 3.0V. How disappointing - a tiny chip and I have to run a split supply just to get it to boot? Anyone done the
Re: 2103 forces dual supply?
2006-04-25 by rtstofer
... VccIO and ... I have ... unthinkable ... replace ... The datasheet says no. However, the LPC213x series uses a single 3.3V supply. Unfortunately, it is a
2103 forces dual supply?
2006-04-25 by Steve Franks
So, Closer inspection reveals to me that the Minimum Voltage for the VccIO and VccA pins on the 2103 is 3.0V. How disappointing - a tiny chip and I have to
lpc3000 forum?
2006-04-25 by Bryce Schober
I ve looked around a bit, and haven t found much forum activity regarding the new lpc3000 family. Philips_apps (or anyone else), do you have any pointers? --
LPC2129
2006-04-25 by rafik0681
hi i m just a begginer!!with lpc E2129 and windows XP i cant communicate with the board, i trryed eclips with ocd without succes and winARM ( error creating .o
回覆: [lpc2000] LPC 2148 -->>> LCD/CRT Control ler
2006-04-25 by chang luke
you can find it in www.pbjtech.com where has very interesting VGA controller using LPC2138/2148. majid_mokhtari »¡¡G Hello Everybody ,
Re: [lpc2000] Re: Any Example assembler Program for ARM
2006-04-25 by K B Shah-lascaux
Hi, As per my knowledge the IAR code limited version doesnot allow generation of ASM listing. But you can write your own assembly code and use it with other
Re: Problem running LPC2106 with MAM, PLL and UART1 interrupts.
2006-04-25 by rtstofer
... It is worth noting that in MAM USAGE NOTES on page 59 or the September 17, 2003 User Manual, for a speed above 40 MHz, 3 CCLKs are proposed as the MAMTIM
Re: Any Example assembler Program for ARM
2006-04-25 by ian.scanlon
... compiler. ... generation ... Service. ... time. ... Look in the IAR tutorial projects. Took me less than 30 seconds to find it. Ian
Re: [lpc2000] Re: Any Example assembler Program for ARM
2006-04-25 by Rock Raj
Dear Ian, Can I able to do assembley coding in the compiler? How can i start my assembley coding. Kindly provide me some examples program which works in the
Re: Any Example assembler Program for ARM
2006-04-25 by ian.scanlon
... Output List file ... not allowed in this version of the compiler. ... have got a limited version of 32k CODE SIZE.(V4.30) ... Program ... to ... time. ...
Re: [lpc2000] Re: CRP (Code Read Protection) investigation by stepping through the boot loader
2006-04-25 by Robert Adsett
... Sorry Jaya, I was referring to the defect reporting and fixing process not the security setup. Robert
Re: [lpc2000] Any Example assembler Program for ARM
2006-04-25 by 42Bastian Schick
Hi ... Now you know it is not only code-size limited :( But nevermind, try gcc (www.gnuarm.org IIRC), it has similiar options. E.g. gcc -S uart.c creats uart.s
Re: [lpc2000] Any Example assembler Program for ARM
2006-04-25 by Rock Raj
Dear Schick, In the Project, Options - Category i just checked all boxes in Output List file and Output assembler file. I have got an error message, that
Re: [lpc2000] Any Example assembler Program for ARM
2006-04-25 by 42Bastian Schick
Rajendra ... Turn on listing in the compiler + C source as commets. Best way to learn assembly. ... Don t you have one in C ? If so see above hint. --
Any Example assembler Program for ARM
2006-04-25 by Rajendra
Hi, I am a silent member of this group. I always program ARM using C- Languages. Now i want to learn how to do coding using Assembley. I am using IAR
Re: Problem running LPC2106 with MAM, PLL and UART1 interrupts.
2006-04-25 by karlstiller
... frequency, ... works). Oops.. I knew I forgot something. I m running using an external crystal of 14.7456 MHz. VPDIV = 0 default - one fourth of the
Re: PWM isr
2006-04-25 by icapapindi
... Hi !! I have solved it, I forgot to activate isr Now I m trying to generate single PWM but it doesn t work, has anybody done it? Thanks