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Discussion Title Created date
USB HID device does not start (Windows)
Hi guys, I'm building a composite USB 2.0 device with SAM3 chip and I ran into this weird problem... the device uses HID and Audio. It works totally fine on a Mac but when I load...
Tue. Jan 30, 2018 - 12:57 AM
Dual Bank Flash Linker Script Help
Hi guys, I'm trying to download my application to my SAM3 in both flash bank 0 and flash bank 1; this way the user can use the "backup" (bank 1) if bank 0 ever encounters any...
Sat. Jan 13, 2018 - 12:59 AM
SAM-BA Custom Script Error
Hi everyone,   I'm trying to write/finish up a batch script for my custom SAM3U board for SAM-BA 2.16 production that I started months ago. The script I wrote months ago...
Wed. Nov 1, 2017 - 10:17 PM
SAM3 SPI MISO always high
*Solved; SPI Modes was wrong. Data sheet error with SPI Flash used.   
Tue. Aug 29, 2017 - 12:19 AM
Internal Flash Writes + USB Conflict
Hi everyone,   I have a continuous USB isochronous transfer going on in my SAM3U. Whenever I perform writes to internal flash (to save configuration data), the USB gets "...
Thu. Jul 27, 2017 - 03:25 PM
UI Processes during USB isochronous transfers
Another USB question here... same as last time; USB Audio on an ARM microcontroller. I have both endpoints (input and output) as isochronous/asynchronous transfers. In addition I...
Tue. Jul 25, 2017 - 02:41 PM
USB Audio Correct Frame Calculation
*Solved- Add extra frame every 10th packet (each USB packet sent will be 1 ms of data; 10ms will have extra frame) when running at 44.1kHz.
Tue. Jul 11, 2017 - 09:31 PM
SAM3 USB High Speed Device Not Recognized
Hi everyone,   I'm working on a custom SAM3U board and running into an issue with its USB peripheral. I've copied the SAM3U-EK's schematic for the USB on my custom board but...
Wed. Jul 5, 2017 - 04:21 PM
Troubleshooting TWI Writes
Hi everyone, it seems I'm running into an issue with TWI peripheral and digital potentiometers (MCP45HVX1) on my SAM3U. It always stalls when I try to write to the pot (...
Wed. Jun 21, 2017 - 10:04 PM
SSC-DMAC Loop Mode to Sync Stereo Input
Hi everyone, as a preface, I almost have this implementation working but I'm missing one last part; hoping someone here will help me out "kickstart" my thinking process and have a...
Fri. Jun 9, 2017 - 02:47 PM
USB HID Bootloader
Hi everyone, I'm working on a USB bootloader for the SAM3U chip and I'm running into issues. To get readers up to date, I'm using LUFA's USB HID Bootloader PC-Application to run...
Wed. Apr 5, 2017 - 09:31 PM
SAM3U SSC DMAC Channel Swapping
Hi everyone, I'm interested to see if anyone has ever run into this problem before: I'm running a USB Audio device on my SAM3U-EK. Occasionally my left and right channels (input...
Fri. Mar 17, 2017 - 08:56 PM