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Re: [AVR-Chat] PWM question with ATMega128

2007-11-30 by Jim Wagner

On Thu, 29 Nov 2007 16:44:33 -0800 "Philippe Habib" wrote: > I'm new to using the AVR processors and I'm trying to use > the built in PWM > function. > > > > I have basic PWM working and I've got 2 different pwm > signals going from two > independent timers. So far so good. > > >

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beginner3

2007-11-30 by mido glgl

You may be right and i will do my best then if u have source to let me do this , please tell me about it (any source can help me for those basics) And thank u for your help and i want to complete your help __________________________________________________________________________

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Re: [AVR-Chat] beginner3

2007-11-30 by Roy E. Burrage

Then you're missing some basics. The things you're asking about, as was explained in a previous post, are some of the most basic when it comes to microcontrollers. If you don't understand these there probably isn't anything here for you...not to be short with you, but that's the

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beginner3

2007-11-30 by mido glgl

i do my homework i read more datasheet but what i ask about i cant understand and i search on net and i found the same result....... ____________________________________________________________________________________ Be a better sports nut! Let your teams follow you with Yahoo M

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Re: [AVR-Chat] beginner3

2007-11-30 by dlc

I didn't see a smiley in that post. After I wiped the tea off of the monitor I admit it wasn't all that clear on the screen... DLC BobGardner@aol.com wrote: > In a message dated 11/30/2007 12:02:37 A.M. Eastern Standard Time, > dlc@frii.com writes: > > I do suggest > that you nee

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Re: [AVR-Chat] beginner3

2007-11-30 by BobGardner@aol.com

In a message dated 11/30/2007 12:02:37 A.M. Eastern Standard Time, dlc@frii.com writes: I do suggest that you need to do some homework. ========================================== He WAS doing his homework. This is how its done now. You old dinosaurs dont know anything. **********

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Re: [AVR-Chat] beginner3

2007-11-30 by dlc

You are asking the most basic questions that can be asked. I do suggest that you need to do some homework. Read the data sheets, there is a lot of information there. Put what you read into context. Go to Wikipedia and look these things up. Use Google or hit the library for books

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Re: beginner3

2007-11-30 by majid_pow

i have 2 question first,why when i write long program on bascom-avr the compiler shows error 999 it says DEMO/BETA only supports 2048 bytes of code second, how we can get some personal information about the memberships thanks so much

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Re: [AVR-Chat] beginner3

2007-11-30 by Zack Widup

Dunno but you got a chuckle out of me! Zack On Thu, 29 Nov 2007, BobGardner@aol.com wrote: > > In a message dated 11/29/2007 11:49:55 P.M. Eastern Standard Time, > top_speed_2006@yahoo.com writes: > > thanks for your help > ============================= > Tell me if I got an 'A'

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Re: [AVR-Chat] beginner3

2007-11-30 by BobGardner@aol.com

In a message dated 11/29/2007 11:49:55 P.M. Eastern Standard Time, top_speed_2006@yahoo.com writes: thanks for your help ============================= Tell me if I got an 'A' **************************************Check out AOL's list of 2007's hottest products. (http://money.aol.

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beginner3

2007-11-30 by mido glgl

thanks for your help ____________________________________________________________________________________ Get easy, one-click access to your favorites. Make Yahoo! your homepage. http://www.yahoo.com/r/hs [Non-text portions of this message have been removed]

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Fw: beginner3

2007-11-30 by mido glgl

Difference between flash ,sram any one of them volatile??? Be a better pen pal. Text or chat with friends inside Yahoo! Mail. See how. ____________________________________________________________________________________ Get easy, one-click access to your favorites. Make Yahoo! yo

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Re: [AVR-Chat] beginner3

2007-11-30 by BobGardner@aol.com

In a message dated 11/29/2007 11:43:29 P.M. Eastern Standard Time, top_speed_2006@yahoo.com writes: Difference between flash ,sram any one of them volatile??? ============================================= Put some sram in a bottle and leave the top open. Put a mark on the bottle

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beginner3

2007-11-30 by mido glgl

Difference between flash ,sram any one of them volatile??? ____________________________________________________________________________________ Be a better sports nut! Let your teams follow you with Yahoo Mobile. Try it now. http://mobile.yahoo.com/sports;_ylt=At9_qDKvtAbMuh1G1SQ

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Re: [AVR-Chat] Beginner3

2007-11-30 by BobGardner@aol.com

In a message dated 11/29/2007 11:19:01 P.M. Eastern Standard Time, top_speed_2006@yahoo.com writes: flash memory, SRAM , EEPROM ,I/O MEM ========================================== flash memory holds the program instructions... programmed in sectors .code .text section sram holds

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Beginner3

2007-11-30 by mido glgl

Sorry all; For this, i try to understand the use of memories in AVR ATmega8535 but i cant then if anyone can help me, i will be pleasure (abstract for using of memories : flash memory, SRAM , EEPROM ,I/O MEM.) ______________________________________________________________________

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Re: [AVR-Chat] begginer3

2007-11-30 by David Kelly

On Nov 28, 2007, at 9:16 AM, Tom Becker wrote: >> ... while it kills trees, when starting a new project I print... > > So it's _you_! I've been wondering who is using all that paper. > > [Actually, paper pulp is a commodity that is mostly a _by-product_ of > the construction indu

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PWM question with ATMega128

2007-11-30 by Philippe Habib

I'm new to using the AVR processors and I'm trying to use the built in PWM function. I have basic PWM working and I've got 2 different pwm signals going from two independent timers. So far so good. Using the pre-scaler, I can get close to the desired PWM frequency, and by setting

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Re: TQFP Programming Adapter

2007-11-29 by Stefan Wimmer

--- In AVR-Chat@yahoogroups.com, "Bob Gardner" wrote: > > As the OP here, I appreciate all of the responses. My original > intent was just to save a little space on what I hope to be a fairly > small board... I once had a similar decision to make and chose to provide 6 vias space

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Re: TQFP Programming Adapter

2007-11-29 by Dyan Fassett

You could use pogo pins like these http://www.mill-max.com/images/products/pdf/121.pdf I would use this part 0922-0-15-20-75-14-11-0 it is available at mouser as PN 575-922015 for $0.48 each. http://www.mouser.com/search/ProductDetail.aspx?R=0922-0-15-20-75-14- 11-0virtualkey5751

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Message 10355

2007-11-29 by majid motamed rezvani

i have a question from reza_agha. reza_agha please send me an e-mail --------------------------------- Be a better pen pal. Text or chat with friends inside Yahoo! Mail. See how. [Non-text portions of this message have been removed]

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Re: TQFP Programming Adapter

2007-11-29 by Bob Gardner

As the OP here, I appreciate all of the responses. My original intent was just to save a little space on what I hope to be a fairly small board and I have to admit I hadn't really thought through some of the possibilities that evryone has brought up. I don't have any problems wit

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Re: TQFP Programming Adapter

2007-11-28 by Graham Davies

--- In AVR-Chat@yahoogroups.com, "Dyan Fassett" wrote: > All I'm saying is think of all the posibilities that > can occur before you paint yourself into a corner. Ok, so, what we have is this ... if you don't provide a means of directly programming the chip (JTAG, ISP, etc.) in a

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Re: TQFP Programming Adapter

2007-11-28 by thormj_altea

--- In AVR-Chat@yahoogroups.com, Reza wrote: > > seems to be a stupid idea, but you may make a pcb for > this TQFP package and place IC on it without soldering > by forcing IC into it using something like a clips or > something, sorry i dont know the exact word of this > thing in

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beginner3

2007-11-28 by mido glgl

Thanks for all and i will do what u say ____________________________________________________________________________________ Get easy, one-click access to your favorites. Make Yahoo! your homepage. http://www.yahoo.com/r/hs [Non-text portions of this message have been removed]

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Re: [AVR-Chat] begginer3

2007-11-28 by David VanHorn

On Nov 27, 2007 8:59 PM, mido glgl wrote: > Me again > now i ask about ::: > In-System Reprogrammable Flash Program Memory I'd really like to ask you to do your own homework first, before bringing questions to the group. In this particular case, it's not even very clear WHAT you

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Re: [AVR-Chat] begginer

2007-11-28 by Zack Widup

The chip designers tried to make the devices as versatile as possible for the money you pay. Face it, these microcontrollers are inexpensive! I can remember what 8008's cost when they first came out. :-) Having provisions for an internal RC oscillator, an external RC oscillator,

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Re: Fw: [AVR-Chat] begginer3

2007-11-28 by Tom Becker

> ... while it kills trees, when starting a new project I print... So it's _you_! I've been wondering who is using all that paper. [Actually, paper pulp is a commodity that is mostly a _by-product_ of the construction industry, which gets the good stuff - or it is made from trees

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Re: [AVR-Chat] Re: TQFP Programming Adapter

2007-11-28 by David VanHorn

> As long as you remember to program it before you solder it on and > create a BRICK. > As long as you don't need to change the loader code. > As long as you don't need to debug the application with JTAG. > All I'm saying is think of all the posibilities that can occur > before y

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Re: TQFP Programming Adapter

2007-11-28 by Dyan Fassett

--- In AVR-Chat@yahoogroups.com, "David VanHorn" wrote: > > > As long as you remember to program it before you solder it on and > > create a BRICK. > > As long as you don't need to change the loader code. > > As long as you don't need to debug the application with JTAG. > > All I

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Re: Fw: [AVR-Chat] begginer3

2007-11-28 by Zack Widup

Yes, I often do that, too. It's not easy flipping pages back and forth, or bookmarking them, in a PDF file! :-) Zack On Wed, 28 Nov 2007, David Kelly wrote: > On Wed, Nov 28, 2007 at 07:59:46AM -0600, Zack Widup wrote: >> >> The FIRST thing I do when I want to work with a new par

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Re: Fw: [AVR-Chat] begginer3

2007-11-28 by David Kelly

On Wed, Nov 28, 2007 at 07:59:46AM -0600, Zack Widup wrote: > > The FIRST thing I do when I want to work with a new part (not just > AVR's) is download the data sheet if I can find it. And while it kills trees, when starting a new project I print the possibly 500 page data sheet

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Re: Fw: [AVR-Chat] begginer3

2007-11-28 by Jim Wagner

Mido - I don't know what you are asking. The quote you include seems very clear to me. The details are all in the data sheet. Jim On Wed, 28 Nov 2007 01:21:57 -0800 (PST) mido glgl wrote: > > > > > Me again > now i ask about ::: > In-System Reprogrammable Flash Program Memory > T

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Re: TQFP Programming Adapter

2007-11-28 by Dyan Fassett

--- In AVR-Chat@yahoogroups.com, "Graham Davies" wrote: > > --- In AVR-Chat@yahoogroups.com, "Dyan Fassett" wrote: > > > ... I can't tell you how many times > > engineers have come to me and ask me > > to fix their BRICK after they ... > > overwrote the bootloader. ... > > Using

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Re: Fw: [AVR-Chat] begginer3

2007-11-28 by Zack Widup

Is there any reason you're not getting all this data from the data sheet? The data sheets are all available from Atmel's website and contain all the info you would need. If it's not in the data sheet, there's most likely also an application note that has further data. Usually 10

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Fw: [AVR-Chat] begginer3

2007-11-28 by mido glgl

Me again now i ask about ::: In-System Reprogrammable Flash Program Memory The ATmega8535 contains 8K bytes On-chip In-System Reprogrammable Flash memory for program storage. Since all AVR instructions are 16 or 32 bits wide, the Flash is organized as 4K x 16. For software securi

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Re: [AVR-Chat] begginer

2007-11-28 by Philippe Habib

I'm new to AVR so I can't get into specifics. In general, to avoid using an external crystal a timebase for the chip can be generated by an internal RC. These types of RC are not very precise so the chip maker can do one of two things. 1. Make them more precise by individually tr

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Re: [AVR-Chat] I have a problem with ADC

2007-11-28 by John Samperi

At 03:57 AM 28/11/2007, you wrote: >If someone has a simple assembler program to test the ADC's atmega 8535, It's right there in the data sheet for the Mega8535. Post your version of the code and we'll help out if it doesn't work. Regards John Samperi ****************************

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begginer3

2007-11-28 by mido glgl

Me again now i ask about ::: In-System Reprogrammable Flash Program Memory The ATmega8535 contains 8K bytes On-chip In-System Reprogrammable Flash memory for program storage. Since all AVR instructions are 16 or 32 bits wide, the Flash is organized as 4K x 16. For software securi

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Re: [AVR-Chat] Fw: begginer2

2007-11-28 by mido glgl

Thanks Jim for those information and iwiil ask u about another after 20 min if u can . thanks ----- Original Message ---- From: Jim Wagner To: AVR-Chat@yahoogroups.com Sent: Tuesday, November 27, 2007 4:00:56 PM Subject: Re: [AVR-Chat] Fw: begginer2 The internal oscillator is a s

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Re: [AVR-Chat] Fw: begginer2

2007-11-28 by mido glgl

thanks Jim but u mean that by control of temprature and power supply i can vary frequency of this clk??? can u more explain about this clk??? ----- Original Message ---- From: Jim Wagner To: AVR-Chat@yahoogroups.com Sent: Tuesday, November 27, 2007 3:47:16 PM Subject: Re: [AVR-Ch

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Fw: begginer2

2007-11-28 by mido glgl

Dear all; i want ask about Calibrated Internal RC Oscillator and Oscillator Calibration Register � OSCCAL for ATmega8535(L) As i need to understand it .so if anyone can explain it , i will be pleasure. if u want to read about it click here Thanks for all Never miss a thing. Make

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Fw: begginer2

2007-11-28 by mido glgl

Dear all; i want ask about Calibrated Internal RC Oscillator and Oscillator Calibration Register � OSCCAL for ATmega8535(L) As i need to understand it .so if anyone can explain it , i will be pleasure. Thanks for all Never miss a thing. Make Yahoo your homepage. _________________

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begginer

2007-11-27 by mido glgl

Dear all; i want ask about Calibrated Internal RC Oscillator and Oscillator Calibration Register � OSCCAL for ATmega8535(L) As i need to understand it .so if anyone can explain it , i will be pleasure. Thanks for all _______________________________________________________________

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Re: TQFP Programming Adapter

2007-11-27 by Graham Davies

--- In AVR-Chat@yahoogroups.com, "Dyan Fassett" wrote: > ... I can't tell you how many times > engineers have come to me and ask me > to fix their BRICK after they ... > overwrote the bootloader. ... Using the lock bits, you can make it impossible to overwite the bootloader. That

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Re: TQFP Programming Adapter

2007-11-27 by Dyan Fassett

Being a test engineer I always cringe when I see a designer lock out the ability to upgrade the software, I know you are just programming the bootloader and the application gets downloaded. I can't tell you how many times engineers have come to me and ask me to fix their BRICK af

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Re: [AVR-Chat] Timer1 error

2007-11-27 by Pedro Ayala Muñoz

Thank you so much John. Using the LDS instruction my problem was solved. Absolutely the operand was out of range because in the ATmega169P the address is higher than 63 for the timer1 counter registers wish is not supported by the "IN" instruction. Reference:Page 79, AVR instruct

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I have a problem with ADC

2007-11-27 by Stefanny Lorena Chamorro

If someone has a simple assembler program to test the ADC's atmega 8535, please send me thanks! Stefanny Lorena ______________________________________________ ¿Chef por primera vez? Sé un mejor Cocinillas. http://es.answers.yahoo.com/info/welcome [Non-text portions of this messag

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Re: [AVR-Chat] Re: Begginer

2007-11-27 by mido glgl

i understand and i will ask again about another thing Thanks for all ----- Original Message ---- From: Graham Davies To: AVR-Chat@yahoogroups.com Sent: Tuesday, November 27, 2007 2:45:05 PM Subject: [AVR-Chat] Re: Begginer --- In AVR-Chat@yahoogroup s.com, "Jim Wagner" > This is

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Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.