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84 Threads found on edaboard.com: Fuse Bits
Hello everybody. I am building a dmx usb device, for controlling stage lightning with a laptop. I designed my own version of pcb for this device. There is a hex file for microcontroller on website, but I don't know which fuses must be burned on atmega. Now I am wondering, is i
First things first - are you sure that the timer is running? Try executing your start routine code, sit in a simple for() loop for a while, and then stop and read the timer register value. If it isn't running, you haven't configured it properly - perhaps the clock source for it must be configured? Have you set the clock fuse bits appropriately
Hello, I am using USBasp to program my board with ATmega128, hardware is single side PCB by Thomas Fischl board was working well and I decided to change some parts of the code but when I tried to read chip signature I got error (attachment) as well as when I tried to read
Didīt you see any configuration bits on datasheet for doing that ? In general the fuse is designated with a sugestive acronym.
hello friend, i was used an ic atemag32,in it i programmed and it work well for adc,uart,ext interrupt,timer all...but some days before i bought 3 new atmega32 ics,i placed it in my old board and burned the same old working program, but the adc is not working in new 3 ics...i am using avr studio complier.then i compired the fuse settings of worki
Disable the jtag fuse on the M32. Jtag uses pins on PortC /Bingo
Hi, I design new USBasp programmer to easy and safety use. Why my USBasp easy to use ? - You just insert all chip from pin 1 on ZIF socket. programmer detected chip without any jumper or switch setting! - You set CKSEL and CKDIV8 fuse bits to every options you want. Don't Worry! USBasp programmer generate clock on ZIF socket and ISP connector f
you first get some understanding check these links Intro to Bootloaders for
Whats wrong to Atmega8 after setting its fuse bits as High=D9/Low=E1 Asn per the below code, i just identifying that which switch is pressed by ON particular LED. Atmega8 does this task perfectly if i set its fuse bits as defaults, but after setting fuse bits as High=D9/Low=EF, the i/p (...)
I presume, "extreme AVR burner" is a simple serial programmer. You can't set SPIEN bit to 1 (disabling serial programming mode) with a serial programmer, in so far High fuse EF won't be set. But it's easy to set a wrong clock option that requires an external clock source to XTAL1 for furher programmer access, as indicated in the datasheet. Yo
The problem that I see using the software watchdog is in the case of failure occurrence on the code so that stops the timer operation. Most microcontrolers have watchdog enable configured at the fuse bits, turning difficult to disable it during normal operation.
For my purpose I need to report to Hyperterminal what is the value of the frequency generated by the external Oscillator attached to my microcontroller.The main reason being reporting proper health of the oscillator and to calculate the frequency in runtime in the software..I initially thought reading the fuse bits and calculting thr frequency ran
Hi all, I am using ATMEGA64. It's the first time I used it, so the fuse bits I programed to it was wrong. Now, the JTAG interface is disabled. Please help me to fix this problem. Thanks a lot!
Dear Friends HAPPY NEW YEAR TO All I am doing this Project But My problem is not Finding the ATMEGA8 configuration (fuse bits) Please help me what is the fuse bits of Atmega8
SALAM TO AAL i m using USBASP programmer with KAHZAMA AVR programmer.. i have used tiny85 and tiny 45but when i burn the contoller after 2-4 writes it does not write any more same problem again facing with tiny45 and chip also not erased any thing wrong with fuse bits??? :cry:
A trivial compiler usage problem. Each compiler has specific symbols for fuse bits and include files that must be imported to make it known. Apparently you didn't get it right. I presume it's well explained in a compiler user manual and demonstrated in example projects. You didn't tell which compiler was used.
lower fuse = 0xFF higher fuse = 0xC9 A simple google u would have got lots of help
You say, your 16F887 is presently working with 2.5 V supply and should be used at 5V in the new design. There's no configuration fuse that must be changed in this case, unless you plan other modifications that haven't been reported yet. A confusing point in your post is the said 10 MHz crystal, because 2.5 V operation is specified for 8 MHz
Yes, your setting is fine, you can check using Note that for crystals >8MHz you should program the CKOPT fuse but for 8MHZ both modes will work
The bits of fuse is same in the datasheet!!! If you not use the fuses, the mcu works wrong or not run!!! To see the all fuses available for the pic, search into folder (?:\Program Files (x86)\HI-TECH Software\PICC\X.XX\include\) the file pic16f877a.h... In this file have all about of the target pic. // // Configur