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Discussion Title Created date
Are PA24 and PA25 5v tolerant?
I just designed a board which uses the SamD11, and when USB is not in use, PA24 and PA25 are configured to use SPI.   Since USB data lines are 5v, does that mean PA24 and...
Friday, 26 November 2021 - 08:07
Connect USB Hub to SAM MCU USB Host?
I'm not entirely sure how USB hubs work, so just wondering if it would be possible to hook up a USB hub, such as the USB2541B to something like an SAMD51 in host mode?   How...
Friday, 7 May 2021 - 03:21
SAMD51 FATFS SDMMC with regular SPI?
I'm just in the middle of designing a prototype board, and am trying to get a base started with Atmel Start. I originally chose the D51 for its SDMMC peripheral, but decided to...
Wednesday, 16 September 2020 - 18:42
HWB Equivalent on Samd21j?
Like the title says, is there a pin that acts like HWB on AVR, on the SamD21J?   If not, how is entering the boot loader usually handled?
Wednesday, 22 January 2020 - 05:13
Jtag read voltage out of range
Can a moderator please move this to In System Debugging and Programmers? * Done. Ross.* I was reading a similar topic in this sub-forum when I created this, and didn't think to...
Tuesday, 16 July 2019 - 04:40
Detect Host Device on USB
Right now I'm designing a game controller, I got it working on PC, and am now getting it to work with the Nintendo Switch(which I have working, just need to remap buttons in...
Sunday, 30 June 2019 - 05:03
Any bluetooth modules that act as USB middle man?
Are there any Bluetooth modules where you communicate with it exactly like a USB device? For example, lets say you were using an atmega32u4, and instead of connecting D+ and...
Friday, 28 June 2019 - 04:08
LUFA DFU Bootloader Help
Board and Setup Before I tell you my problem, I'm using the 32u4, and the HWBE fuse is set, while BOOTRST is not. If you want to know other fuses, LOW is 0xFF, HIGH is 0xD0 and...
Monday, 24 June 2019 - 05:06
LUFA, Change Joystick name?
I've changed the ManufacturerString and ProductString string in descriptors.c, and it does change the name in most places, but... On windows, if you view the Game Controller's in...
Friday, 21 June 2019 - 03:38
Toggle LED when current is flowing towards GPIO
I recently created a mod chip from an open source project, and they were toggling 2 LED's with the current flowing towards the GPIO. It seemed to work with no issues, so I decided...
Saturday, 15 June 2019 - 05:45
Polarizing Film Question
When etching circuit boards at home. I notice there is a small amount of bleed with the UV light and the mask. I was thinking this could be sorted out by straightening the light,...
Wednesday, 19 December 2018 - 20:04
Trouble Programming Atmega8 with USBasp
Currently I am trying to upload the Arduino boot loader, as well as a sketch to an Atmega8 that currently resides on a breadboard. I have swapped the Atmega8 out...
Wednesday, 5 December 2018 - 05:20