SAM D20 Family
Low-Power, 32-bit Cortex-M0+ MCUs with 12-bit ADC, 10-
bit DAC, 256-Channel PTC, RTC, and SERCOM
Features
Operating Conditions
1.62V 3.63V, -40C to +85C, DC up to 48 MHz
1.62V 3.63V, -40C to +105C, DC up to 32 MHz
Core
ARM Cortex -M0+ CPU running at up to 48 MHz
Single-cycle hardware multiplier
Memories
16/32/64/128/256 KB in-system self-programmable Flash
2/4/8/16/32 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)
External Interrupt Controller (EIC)
16 external interrupts
One non-maskable interrupt
Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
Low-Power
Idle and Stand-by Sleep modes
SleepWalking peripherals
Peripherals
8-channel Event System
Up to eight 16-bit Timer/Counters (TC), configurable as:
One 16-bit TC with two compare/capture channels
One 8-bit TC with two compare/capture channels
One 32-bit TC with two compare/capture channels, by using two TCs
32-bit Real Time Counter (RTC) with clock/calendar function
Watchdog Timer (WDT)
CRC-32 generator
Up to six Serial Communication Interfaces (SERCOM), each configurable to operate as either:
USART with full-duplex and single-wire half-duplex configuration
2
Inter-Integrated Circuit (I C) up to 400 kHz
Datasheet Complete DS60001504B-page 1
2017 Microchip Technology Inc. SAM D20 Family
Serial Peripheral Interface (SPI)
One 12-bit, 350 ksps Analog-to-Digital Converter (ADC) with up to 20 channels
Differential and single-ended input
1/2x to 16x programmable gain stage
Automatic offset and gain error compensation
Oversampling and decimation in hardware to support 13-, 14-, 15- or 16-bit resolution
10-bit, 350 ksps Digital-to-Analog Converter (DAC)
Two Analog Comparators (AC) with Window Compare function
Peripheral Touch Controller (PTC)
256-Channel capacitive touch and proximity sensing
I/O
Up to 52 programmable I/O pins
Packages
64-pin TQFP, QFN
64-ball UFBGA
48-pin TQFP, QFN
45-ball WLCSP
32-pin TQFP, QFN
Power Consumption
Power Consumption
Down to 50 A/MHz in Active mode
Down to 8 A running the PTC
DS60001504B-page 2
Datasheet Complete
2017 Microchip Technology Inc.