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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AT90S8535 Datasheet PDF

Unfortunately, I do not know what might be going wrong. I tested a board I found with an megaL, and it worked perfectly. In that section, it says:. The Power Down mode saves the register contents but freezes the oscillator, disabling all other chip at90s5835 until the next interrupt or hardware reset.

The complete avrdude command is: Month Sales Transactions. In that section, it says: When you place an order, your payment is made to SeekIC and not to your seller. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers. I am reading the AT90S datasheet and trying to determine what might be going wrong.

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AT90S ATMEL Corporation, AT90S Datasheet

SeekIC only pays the seller after confirming you have received your order. I looked at the two datasheets wide by side 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! 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 also tried with avrdude, it gives me: 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.

The frequency matters too, so what frequency is the clock or crystal? Please create an account or Sign in.

If you want to look at the programming lines on an oscilloscope and diagnose the problem, that might allow me to make a firmware att90s8535 that fixes the problem, but you should probably just use the programmer you have that works.

We will also never share your payment details with your seller. Shop Blog Forum Support. You may also be interested in: I have checked the voltage settings, and tried many combinations.


What kind of clock or crystal is the AT90S connected to? Thank you for your fast reply!


Recent History What is this? 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? Freight and Payment Recommended logistics Recommended bank. STK never failes at all.


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. 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.

Faithfully describe 24 hours delivery 7 days Changing or Refunding. I have not tested any other controllers, as I have a stock of about s. We have not tested the programmer with the AT90S and I do not know of any customers who have done that either, so there might be trouble getting it to work.