AT13382
Changes from SAM L21A to SAM L21B
This chapter describes the functional changes in SAM L21B compared to SAM L21A.
Non-Volatile Memory Controller (NVMCTRL)
Supply Controller (SUPC)
Power Manager (PM)
External 32kHz Crystal Oscillator (XOSC32K)
RTC
High-speed Bus Matrix (HMATRIX)