https://www.microchip.com/en-us/products/microprocessors/32-bit-mpus/sam-ba-in-system-programming-provisioning
SAM-BA In-System Programming and Provisioning | Microchip Technology
Our 32-bit MPUs offer a range of performance, low-power and advanced security options and are supported by Linux and our MPLAB development ecosystem.
in system programmingsambaprovisioningmicrochip
https://en.wikipedia.org/wiki/In-system_programming
In-system programming - Wikipedia
in system programmingwikipedia