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Discussion Title Created date
Xmodem sends a multiple of 128 bytes?
I am trying to send a file using TeraTerm using 128B size Xmodem transfer. I receive using ATSAMD21. It seems to be the PC is always sending a multiple of 128B? I would have...
Saturday, 3 June 2017 - 01:41
Windows USB CDC Serial Issue
I am seeing the following behaviour upon enumeration of my ATSAMD21 (not important) as USB CDC device. Get device descriptor. Assign Address. Get device descriptor. Get Strings....
Thursday, 18 May 2017 - 22:18
ATSAMD21 SPI is doing my head in...
Ok I have done this numerous times with other Atmel chips...UC3, AVR, ATSAME70 and so on...but only this time with ATSAMD21...and its not working. I am connecting a flash...
Sunday, 30 April 2017 - 01:30
Atmel has gone quiet...
Hmm...its been a while now since the acquisition. I see no new products in Atmel's pipeline... :( Is this how it is going to be? ST micro seems to be bringing out new M7 stuff.
Tuesday, 4 April 2017 - 02:48
Spurious IO change..
Ok I am using AT32UC3A1256 its doing a fair bit of stuff....one of which is monitoring a float switch that is at the end of about 2-3meters lead. Lead is not shielded. I am not...
Thursday, 9 February 2017 - 00:27
ATSAMD21 USB Clock requirements...
Hi guys...I am a little confused with this issue of clock source for USB in Host mode. I have successfully used DFLL in closed mode with SOF clock recover option for USB in device...
Friday, 3 February 2017 - 10:46
Atmel's USB hardware using DMA
Ok this is not a chip specific issue...but I have seen the same behaviour with AT32UC3A256 and ATSAME70 series chips. I am using the chip in host mode using USB DMA...trying to...
Monday, 16 January 2017 - 02:27
Function free() shows red squiggly line under it
I see my use of "free()" function in code is producing these red squiggly line under it. References cant find where the function is. Anyone else facing this issue? Code actually...
Tuesday, 3 January 2017 - 22:06
ATSAME70 how to debug code
Ok so I am using ATSAME70 and got very complicated project running...using Ethernet and USB modem for PPP etc. I am in a situation where the controller goes frozen and I have no...
Tuesday, 27 December 2016 - 10:46
bridged LAN through to 3G usb modem
So I am trying to get my ATSAM to act rather like a router...I have so far been able to get PPP interface going using USB modems. Then I am working on LAN interface on board. But...
Sunday, 30 October 2016 - 08:02
repurposing microcontroller inside sim card
Ok guys...title says it all. What do you think? These sim cards generally have a 8/32bit micro in there. Can we reprogram it? What tools t available? Must admit...there arent a...
Sunday, 9 October 2016 - 20:43
ATSAME70 USBHS DPRAM
According to datasheet there is 4096B of DPRAM available for USB. I never understood what this means.... is this is a dedicated separate memory location? or its just a map on...
Wednesday, 28 September 2016 - 10:28

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