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.
Functional Safety This device supports the IEC 61508 (SIL 2) functional safety standard. · To request any information about the SIL 2 STL, please fill out and submit the request form on Industrial Safety Self-Test Library web page · Learn more about 32-bit MCUs with Functional Safety capabilities including device hardware and certified software libraries.
Additional Features Key Features:
ARM Cortex-M0+ CPU running at up to 48MHz
256KB in-system self-programmable Flash
8KB Flash Read-While-Write section
32KB SRAM Main Memory
8KB 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 Peripheral Features:
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
Up to six Serial Communication Interfaces (SERCOM) including one low-power SERCOM
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)
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.
Functional Safety
This device supports the IEC 61508 (SIL 2) functional safety standard.
· To request any information about the SIL 2 STL, please fill out and submit the request form on Industrial Safety Self-Test Library web page
· Learn more about 32-bit MCUs with Functional Safety capabilities including device hardware and certified software libraries.
Additional Features
Key Features:
- ARM Cortex-M0+ CPU running at up to 48MHz
- 256KB in-system self-programmable Flash
- 8KB Flash Read-While-Write section
- 32KB SRAM Main Memory
- 8KB 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
Peripheral Features:
- 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
- Up to six Serial Communication Interfaces (SERCOM) including one low-power SERCOM
- 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)
