A low-power, high-performance Microchip's ARM® Cortex®-M0+ based flash microcontroller, the ATSAMD21G17 is ideal for a wide range of home automation, consumer, metering, and industrial applications. As used in the Arduino Zero.
Family SAM D21
Max Speed MHz 48
Program Memory Size (KB) 128
RAM (KB) 16
Auxiliary Flash (KB) 0.064
Temperature Range (C) -40 to 85
Operating Voltage Range (V) 1.62 to 3.63
DMA Channels 12
SPITM 6
I2CTM Compatible 6
Peripheral Pin Select (PPS) Crossbar Yes
USB 1
USB Interface Host, Device
A/D channels 14
Max A/D Resolution 12
Max A/D Sample Rate (KSPS) 350
Input Capture 6
Motor Control PWM Channels 6
16-bit Digital Timers 5
Parallel Port GPIO
Comparators 2
Internal Oscillator 32khz, 32Khz ULP, 8Mhz
RTCC Yes
I/O Pins 38
Pin Count 48