Flash firmware onto an AVR microcontroller chip via UPDIDesigned by LeoNerd's Store in United Kingdom
Still active despite the COVID-19 situation; though shipping times will be slightly slower at the moment.
What is it? This cable allows writing firmware to an AVR microcontroller that uses UPDI, such as the new 0-series and 1-series ATtiny, or 0-series ATmega chips. It uses a USB-UART chip, using the o...Read More…
This cable allows writing firmware to an AVR microcontroller that uses UPDI, such as the new 0-series and 1-series ATtiny, or 0-series ATmega chips. It uses a USB-UART chip, using the one-wire scheme, which connects RX directly to the target UPDI, and TX via a 4.7k resistor.
Note that the cable itself may be white or black, depending on available stock.
In order to use this programmer you will need to use one of the following tools for actually writing firmware files to AVR chips:
For example, if you install the first one that will give you a new command,
avr-updi. You can write an ATtiny814 chip from a file called
firmware.hex with the command
$ avr-updi write-flash -p t814 firmware.hex
I needed a cable like this for developing on the ATtiny814, using my new development board.
Besides this cable, there don't appear to be any maker-oriented UPDI programming products. This cable allows easy use of UPDI to write firmware onto AVR chips.
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