AT90S, AT90S Datasheet, AT90S Pin 8MHz 8kb 8-bit Microcontroller, buy AT90S Disclaimer: Whilst information is supplied in good faith, we are not liable for any errors or omissions. Please consult the relevant Atmel datasheet. E&OE. The AT90S is a low-power CMOS 8-bit microcontroller based on the AVR RISC By executing powerful instructions in a single clock cycle, the AT90S
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I tried changing the crystal to 8MHz, and it did not help, could it be that the delay before the AVR responds is too short for the old controllers? Margin,quality,low-cost products with low minimum orders. Recent History What is this?
Pololu USB AVR Programmer problem with AT90S – Other Pololu products – Pololu Forum
What kind of clock or crystal is the AT90S connected to? Unfortunately, I do not know what might be going wrong. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers. I looked at90ss8535 the two datasheets wide by vatasheet and the only difference I can see in the text and the drawing is that on the the RESET pin is shown to be connected to GND!
AT90S Datasheet(PDF) – ATMEL Corporation
I have checked the voltage settings, and tried many combinations. I tested a board I found with an megaL, and it worked perfectly. I am reading the AT90S datasheet and trying to determine what might be going wrong.
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We have not tested the programmer with the AT90S and I at90z8535 not know of any customers who have done that either, so there might be trouble getting it to work. SeekIC only pays the seller after confirming you have received your order. In that section, it says:. The on-chip ISP Flash allows the program memory to be reprogrammed in-system through an SPI serial interface or by a conventional nonvolatile memory programmer.
The Power Down mode saves the register contents but freezes the oscillator, disabling all other chip functions until the next interrupt or hardware reset. The frequency matters too, so what frequency is the clock or crystal?
In Power Save mode, the timer oscillator continues to run, allowing the user to maintain a timer base while the rest of the device is sleeping. Freight and Payment Recommended logistics Recommended bank. Please create an account or Sign in.
In that section, it says: I would buy my own AT90S and try to debug this with you, but it seems like it is pretty hard to buy the AT90S online, and according to Atmel, that chip is a mature product and not recommended for new designs.
I have not tested any other controllers, as I have a stock of about s. Shop Blog Forum Support. All the 32 registers are directly connected to the Arithmetic Logic Unit ALUallowing two independent registers to be accessed in one single instruction executed in one clock cycle.
We will also never share your payment details with your seller. Faithfully describe 24 hours delivery 7 days Changing or Refunding. I have also tried with avrdude, it gives me: If you want to look at the programming lines on an oscilloscope and diagnose the problem, that might allow me to make a firmware update that fixes the problem, but you should probably just use the programmer you have that works.
STK never failes at all. The complete avrdude command is: Thank you for your fast reply! When you place an order, your payment is made to SeekIC and not to your seller.