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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AT90S datasheet & applicatoin notes – Datasheet Archive

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. 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 satasheet programmer you have that works.

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What kind of clock or crystal is the AT90S connected to? STK never failes at all.

AT90SPC IC MCU 8K FLSH 8MHZ A/D 40DIP Atmel datasheet pdf data sheet FREE from

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. You may also be interested in: 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.


I have not tested any other controllers, as I have a stock of about s. The Power Down mode saves the register contents but freezes the oscillator, disabling all other chip functions until the next interrupt or hardware reset. In that section, it says:.

AT90S8535 Datasheet

Unfortunately, I do not know what might be going wrong. Margin,quality,low-cost products with low minimum orders.

I have also tried with ah90s8535, it gives me: When you place an order, your payment is made to SeekIC and not to your seller. I tested a board I found with an megaL, and it worked perfectly. Month Sales Transactions. I have checked the voltage settings, and tried many combinations.

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.

I looked datzsheet 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! 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 resulting architecture is more code efficient dataxheet achieving throughputs up to ten times faster than conventional CISC microcontrollers.


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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? The frequency matters too, so what frequency is the clock datasheeh crystal?


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Freight and Payment Recommended logistics Recommended bank. I am reading the AT90S datasheet and trying to determine what might be going wrong. The complete avrdude command is: Thank you for your fast reply!

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