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Can't change PWM output pin on SAMC21
I modified the TCC_QUICK_START example project for the Xplained Pro to use pin PA20 instead of PA15 (which is the on board LED) and can't get it to work.  Following the "I/O...
Friday, 8 March 2019 - 22:18
ASF4 CAN driver examples for SAMC21?
I have production code based on the CAN "Quick Start Guide"   I have a new project and wanted to try ASF4,  but find the CAN example in the ASF4 API seriously lacking in...
Monday, 24 September 2018 - 21:57
How to program a word to flash on SAMC21 with Atmel ICE?
I am wanting to be able to program a 32-bit word to an unused area of flash after flashing the main program with Atmel ICE.   This word will then be used at run time to...
Monday, 30 April 2018 - 15:17
Eagle libraries
Does anyone know where to find an Eagle Cad library that has the ATSAMC21J18A?  I see Spark Fun has one for the smaller ATSAMD21G18.  Not a big deal to make one but...
Monday, 23 April 2018 - 13:55
SAMC21 UART Receive Interrupt
Coming from an 8 bit Freescale uC, I'm finding the USART of the SAMC21 to be very complex.  I am playing with USART_QUICK_START_CALLBACK example project for the Xplained Pro...
Thursday, 22 March 2018 - 15:21
SAMC21 Xplained Pro - UART Pinmux problem
I have taken the USART Quick Start example and want to remap the UART tx/rx from the default (USB CDC debug on PB10 & PB11, SERCOM4) to SERCOM3, PA22 & PA23....
Friday, 16 March 2018 - 20:37
ATSAMC21 CAN Bootloader?
I want to be able to re-flash an ATSAMC21 over the CAN bus.  From the data sheet:   The Flash program memory can be reprogrammed in-system through the SWD interface. The...
Wednesday, 20 September 2017 - 21:55
Group output level confusion
I am working on a SAMC21 project that involves several IO on PORTA. Here is my initialization code: static void configure_ports(void) { struct port_config pin_conf...
Tuesday, 15 August 2017 - 19:27
ATSAMC21 Samples?
I am migrating our company from NXP processors to the ATSAMC21G17A.  I have successfully done development on the Xplained Pro and am now in the prototype phase.  I...
Thursday, 3 August 2017 - 21:34
SAMC21 - CAN transmit buffers/FIFO
I building off the CAN driver for the C21 Xplained Pro board to migrate code written for an 8 bit Freescale processor to the SAMC21.  This code transmits and receives J1939...
Wednesday, 17 May 2017 - 19:25