SAMD21
Features
- Processor
- Arm® Cortex®-M0+ CPU running at up to 48 MHz
- Single-cycle hardware multiplier
- Micro Trace Buffer (MTB)
- Memories
- 4/2/1/0.5 KB Read-While-Write (RWWEE) Flash section (not available on 256 KB devices)
- 256/128/64/32/16 KB in-system self-programmable Flash
- 32/16/8/4 KB SRAM Memory
- System
- Power-on Reset (POR) and Brown-out Detection (BOD)
- Internal and external clock options with 48 MHz Digital Frequency-Locked Loop (DFLL48M) and 48 MHz to 96 MHz Fractional Digital Phase-Locked Loop (FDPLL96M)
- External Interrupt Controller (EIC)
- 16 external interrupts
- One Non-maskable Interrupt (NMI)
- Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
- Low Power
- Idle and Standby Sleep modes
- Sleep Walking peripherals
- Peripherals
- 12-channel Direct Memory Access Controller (DMAC)
- 12-channel Event System
- Up to five 16-bit Timer/Counters (TC), configurable as either:
- One 16-bit TC with two pare/capture channels
- One 8-bit TC...
