Comments (6)
Sorry, the documentation really needs an update...
Anyway, you can find a list of supported parts on this file:
https://github.com/ElTangas/jtag2updi/blob/master/source/parts.h
Probably other chips can be added. The most important requirement is at least 512 bytes of SRAM.
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Thank you! There seems to be no list of what pin is used for the programming line. Where can I find the pin assignment and how can they be reassigned?
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The configuration is mostly done in this file:
https://github.com/ElTangas/jtag2updi/blob/master/source/sys.h
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Any chance for the old ATtiny parts to be supported?
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Any chance for the old ATtiny parts to be supported?
It's not likely, because those parts usually have small amounts of RAM, and jtag2updi requires at least 300 bytes.
This means only chips with 512 bytes of RAM or more can run it.
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I have a lot of small boards with ATtiny85 and a USB port on them (with the size of a usb flash drive). It would be very nice to be able to run jtag2updi on them (the attiny85 does have 512 bytes of ram and 8k of flash). I think the main issue is that this board (and many other boards with the tiny series) do not have any USB-to-Serial chip, and would require the integration with V-USB, which although probably possible, is not necessarily easy. The ease with the arduino boards is that they come with the serial part ready to use.
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Related Issues (20)
- After locking AVR32DA28, unable to communicate via UPDI HOT 1
- Unable to erase ATtiny402 HOT 5
- Suppressing avrdude harmless warning on "Cannot locate “flash” and “boot” memories in description" HOT 2
- Which parts support NVM version 2? HOT 3
- Unstable trailing edge of stopbit pulse while using software UPDI I/O HOT 8
- Change Programmer Pin HOT 1
- The programmer is not able to unbrick locked tinyAVR MCU at all HOT 7
- Unable to program ATMega4809 HOT 1
- Can't unlock ATTiny1624 HOT 3
- erasing locked AVR32DA28 - impossible HOT 3
- Status LED feature HOT 1
- Arduino uno progrramer error HOT 2
- jtag2updi broken with avrdude-7.0 HOT 2
- Can't program with verify without power-cycle on DxCore (AVR32DD14)
- Question: programing atmega4809 chips? HOT 1
- Building fail for Arduino Leonardo/ProMicro (Atmega32u4) HOT 4
- No support for NVMv3 devices such as AVR-EA and AVR-EB
- Can at tiny 1616 act as programmer?
- avr128da28 to be programmed by arduino uno?
- Using jtag2updi as a library for a standalone Arduino (use case being over-the-air programming) HOT 1
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