Does LPC21XX support programming via Can Bus ???
2003-12-03 by miramfg
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Re: [lpc2100] DDS working
2003-12-03 by Robert Adsett
... Scope your output lines and compare to the glitches. I suspect they are coming from the fact that not all of your lines change at the same time. Going
Re: [lpc2100] DDS working
2003-12-03 by Leon Heller
... From: microbit To: Sent: Wednesday, December 03, 2003 4:00 PM Subject: Re: [lpc2100] DDS working
Re: [lpc2100] Problem with DDS
2003-12-03 by Robert Adsett
... Ah, it just showed up. ... OK, this makes things a little more clear. Q: Is your distortion coming from loop to loop delay or from the delay between set
Re: [lpc2100] DDS working
2003-12-03 by microbit
Hi Leon, ... some ... they I figured it had to do something with the IOCLR write of complemented values. I think you ll find that the glitches represent the
DDS working
2003-12-03 by Leon Heller
Thanks for the suggestions. It s working OK now (sine, triangle, sawtooth and square waves) with the following code: adder = 202500; //set up
Re: [lpc2100] Problem with DDS
2003-12-03 by Robert Adsett
... Strangely enough your original message doesn t seem to have propagated Leon. There are definitely issues with how fast you can update the output ports
Re: [lpc2100] Re: Introduction to the group
2003-12-03 by Robert Adsett
... Get thee a good editor. Actually the only IDE I have ever used that wasn t best lest unused was simply an OEM d high quality editor. ... Considering the
Re: [lpc2100] Re: Problem with DDS
2003-12-03 by microbit
Also BTW, I think you need to mask off the other bits on I/O (D0-D7, D16-D31), especially with the write to IOCLR. I ve actually been thinking of a boolean
Re: [lpc2100] Re: Problem with DDS
2003-12-03 by microbit
Hi Leon, ... ptr is R4. ... The ldrb instruction loads R3 with what R4, offset by R1, points to. So you need to know what s in R1 to work out the offset, and
Re: [lpc2100] Re: Problem with DDS
2003-12-03 by Ben Dooks
... possibly you want to assign `square[ptr]
Re: Problem with DDS
2003-12-03 by leon_heller
... wave, and ... Thanks for the suggestion. This is what I m getting: while (1) 40000150 E3A0024E mov r0, #0xe0000004 40000154 E280090A add r0, r0, #0x28000
Re: [lpc2100] Problem with DDS
2003-12-03 by Ben Dooks
... what is the compiler outputing for this code? do you have a disassembly of the code being produced? [snip] -- Ben Q: What s a light-year? A:
Re: [lpc2100] Problem with DDS
2003-12-03 by otc_friend
Hi Leon - I don t step deep into it but as you using variables greater 8 bits what s about little-endian/big-endian confusion, maybe? Regards - Henry ... Von:
Problem with DDS
2003-12-03 by Leon Heller
I m using the following code for software direct digital waveform synthesis: int main(void) { unsigned int i; unsigned long int acc, adder; unsigned int ptr,
Re: Code Protection on LPC2100
2003-12-03 by leon_heller
... It s the same one: http://www-eu2.semiconductors.philips.com/forums/ It s not as interesting as this one. 8-) Leon
Re: [lpc2100] Code Protection on LPC2100
2003-12-03 by microbit
Hi Leon, Thanks for the heads-up. Could you guide me where to subscribe to their MCU foum ? Or is the same as the old one, general for 8051 / XA ? B regards,
Re: [lpc2100] Code Protection on LPC2100
2003-12-03 by Leon Heller
... From: microbit To: Sent: Wednesday, December 03, 2003 6:46 AM Subject: [lpc2100] Code Protection
Code Protection on LPC2100
2003-12-03 by microbit
This may seem like a dumb question, but has anyone attempted to code protect the Flash on LPC2106 yet ? -- Kris
Re: [lpc2100] Re: LPC2100 Flash Endurance // own test results
2003-12-03 by microbit
Hi Bob, I would presume that a page with some programmed zero bits, but most still erased bytes at 0xff can still be program those 0xFF bytes to another value
Re: Introduction to the group
2003-12-03 by ShinJi
I hope that my introduction post did not demean Ashling in any way. That was not my intention. I tried to word it carefully to point out that Ashling dev kit
Re: [lpc2100] Logic Analyzers used with LPC21xx
2003-12-02 by Robert Adsett
... For embedded work I m a fan of the Agilent 54622D Mixed Signal Oscilloscope. 16 channels of logic analyzer input plus 2 analog channels sharing a common
Re: LPC2100 Flash Endurance // own test results
2003-12-02 by lpc2100_fan
Leon, don t forget to erase the cell between 2 write cycles ;-) Seriously, you could assign e.g. 512 bytes as EEPROM simulation cells and write sequentially.
Logic Analyzers used with LPC21xx
2003-12-02 by crp1124
All, We are investigating logic analyzers to be used with our lpc development. Specifically we are interested in tracing the interaction between the lpc
Re: LPC2100 Flash Endurance // own test results
2003-12-02 by leon_heller
... game. Something I ve thought of doing so that I can continuously update values in non-volatile memory like Flash or EEPROM with a limited lifetime is to
Re: [lpc2100] Re: LPC2100 Flash Endurance // own test results
2003-12-02 by microbit
Thanks for the clarification Bob. Flash endurance performance at high temperatures always seems to be an issue where manufacturers just *don t* provide
Re: LPC2100 Flash Endurance // own test results
2003-12-02 by lpc2100_fan
Hi, as usual, Philips specification is rather conservative. Under very simple lab conditions in an automated test we did not see any failures within 500,000
Re: [lpc2100] LPC2100 Flash Endurance
2003-12-02 by Amit KB
Hi Kris Further to my last email. Here is the link to the UM http://www.semiconductors.philips.com/acrobat/usermanuals/UM_LPC2106_2105_2104_2.pdf There are
Re: [lpc2100] LPC2100 Flash Endurance
2003-12-02 by microbit
Thanks Amit ! Will check what version UM I have. ... From: Amit KB To: Sent: Wednesday, December 03, 2003
OT : Freedom - Re: [lpc2100] Introduction to the group
2003-12-02 by microbit
... Hi Robert, The Freedom statement above has always intrigued me. Talking about radio signals - take the HF band, once deemed unusable by governments around
Re: [lpc2100] LPC2100 Flash Endurance
2003-12-02 by Amit KB
Hi Kris This information is added in the October version of the UM. 10,000 erase and write cycles are guaranteed per 512 byte line. Check it out. Bye microbit
Re: [lpc2100] Re: LPC2100 Flash Endurance
2003-12-02 by microbit
... Hi Leon, Thanks for the response ! We ll have to ask Philips I guess, as I assume that implies it indeed isn t specified yet. Best regards, Kris
Re: LPC2100 Flash Endurance
2003-12-02 by leon_heller
... Perhps it s similar to that on their 80C51 chips - 10,000 min. cycles per byte. Leon
Re: [lpc2100] Introduction to the group
2003-12-02 by Robert Adsett
... Yes, although I haven t tried to load a program into RAM. Actually, why would you want to load a program into RAM? I can help you through the tool
LPC2100 Flash Endurance
2003-12-02 by microbit
Hi All, I posted this question some time ago, but to no avail. I can t seem to find , or am looking in the wrong place : Does anyone know what the Flash
Hello!
2003-12-02 by m11vny
Just joined will post something later! I m using my LPC2106 to build an MP3 player!
Re: [lpc2100] How many MIPS can the lpc2106 do ?
2003-12-02 by Leon Heller
... From: bobi catorski To: Sent: Tuesday, December 02, 2003 7:28 AM Subject: [lpc2100] How many MIPS can
RE: [lpc2100] Introduction to the group
2003-12-02 by Hugh O'Keeffe
Hi Shinji, Disappointed to hear of your problems with Ashling tools and that you are not happy with the support from Ashling. As manager of the development
Introduction to the group
2003-12-02 by ShinJi
Hello Everyone, I just wanted to post a message introducing myself to the group. You cannot imagine how excited I was to find it (via a link from the
How many MIPS can the lpc2106 do ?
2003-12-02 by bobi catorski
Hi all Dose any one know how many MIPS can the lpc2106 do @ 60Mhz ? Best bobi ... Do you Yahoo!? Free Pop-Up Blocker - Get it now
Poll "who will suffer the most from the LPC2100-family"
2003-12-01 by lpc2100_fan
Hi, because there are many engineers in the group that seem similar excited about the LPC2100 as I am, I dared to set up a poll to pick your brains. While in
New poll for lpc2100
2003-12-01 by lpc2100@yahoogroups.com
Enter your vote today! A new poll has been created for the lpc2100 group: Which microcontroller in an existing or planned design is most likely to be replaced
Re: LPC2100 website
2003-12-01 by lpc2100_fan
Has been updated but still needs more work. Cheers, Bob ... touch out of date,
Re: [lpc2100] Re: UART1 - lpc2106
2003-12-01 by Leon Heller
... From: vidya srinivasan To: Sent: Monday, December 01, 2003 3:55 AM Subject: Re: [lpc2100] Re:
Re: [lpc2100] Re: UART1 - lpc2106
2003-12-01 by vidya srinivasan
i guess there is no problem with connections - since it was working and suddenly stopped for some strange unknown reason :-
Re: leddisp hex
2003-11-30 by leon_heller
... I ve got standard LEDs directly connected. I think they are taking about 5 mA each. Leon
Re: leddisp hex
2003-11-30 by lpc2100_fan
Hi, just a thought. did you use either drivers for the LEDs or low power LEDs? If not, the ports of the LPC210x can drive a few mA only. Cheers, the Fan ...
LPC2106 webcast form philips
2003-11-30 by bobi catorski
Hi all This link to philips webcast on the LPC21xx femiliy You have to register ! http://seminar2.techonline.com/~philips/oct2203/register.shtml best Bobi ...
Re: UART1 - lpc2106
2003-11-29 by leon_heller
... Further to my previous post, have you checked the integrity of the connections between the RS-232 connector and the LPC2106? You might simply have a bad
Re: [lpc2100] UART1 - lpc2106
2003-11-29 by Leon Heller
... From: vidya_srinivas2000 To: Sent: Saturday, November 29, 2003 4:31 AM Subject: [lpc2100]