描述 Description

The ultra-low-power ATSAML21 based Flash microcontroller (MCU) feature sophisticated power management technologies and consumes under 35 μA/MHz in active mode and 200nA in Sleep mode. In addition to ultra-low-power performance, these devices feature Full Speed USB host and device, Event System and Sleepwalking, 12-bit analog, AES, capacitive touch sensing, built in opAmps and much more.?Supported by MPLAB X IDE and MPLAB Harmony.

特性 Features

? ARM Cortex-M0+ CPU running at up to 48MHz
? 64 KB in-system self-programmable Flash
? 2 KB Flash Read-While-Write section
? 8 KB SRAM Main Memory
? 4 KB SRAM Low power Memory
? Operating voltage: 1.62V – 3.63V
? Ultra Low Power Architecture consuming under 35uA/MHz in Active mode
? Idle, Standby, Backup, and Off sleep modes
? Battery backup support
? Two Performance Levels
? Embedded Buck/LDO regulator supporting on-the-fly selection
? Peripheral Touch Controller (PTC)
? Wake-up on touch in standby mode
? Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
? Temperature Range - 40°C to 85°C, - 40°C to 105°C
? 16-channel Direct Memory Access Controller (DMAC)
? 12-channel Event System
? 16-bit Timer/Counters (TC) including one low-power TC
? Two 24-bit and one 16-bit Timer/Counters for Control (TCC)
? 32-bit Real Time Counter (RTC) with clock/calendar function
? Watchdog Timer (WDT)
? CRC-32 generator
? One full-speed (12Mbps) Universal Serial Bus (USB) 2.0 interface
? USART, I2C, SPI, LIN slave
? One AES Encryption Engine & TRNG
? One Configurable Custom Logic (CCL)Advanced Analog:
? One 12-bit, 1MSPS Analog-to-Digital Converter (ADC)
? Two channel, 12-bit, 1MSPS Dual Output Digital-to-Analog Converter (DAC)
? Two Analog Comparators (AC) with window compare function
? Three Operational Amplifiers (OPAMP)