Status: | Active |
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Series: | ATSAML21E18B |
RoHS: | Compliant |
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.
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 |
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) |
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) |
Part Family | SAML21 |
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CPU Type | Cortex-M0+ |
MaxSpeed (MHz) | 48 |
Program Memory Size (KB) | 256 |
SRAM (KB) | 40 |
Data EEPROM (bytes) | 8192 |
Temp. Range Min. | -40 |
Temp. Range Max. | 105 |
Operation Voltage Min.(V) | 1.62 |
Operation Voltage Max.(V) | 3.63 |
Direct Memory Access (DMA) Channels | 16 |
SPIâ„¢ | 4 |
I2C | 4 |
UART | 4 |
I2S | 0 |
Ethernet | None |
Quadrature Encoder Interface (QEI) | 0 |
Hardware Touch Peripheral | PTC |
Crypto Engine | Yes |
Number of USB Modules | 1 |
USB Interface | Full Speed |
Number of CAN Modules | 0 |
Type of CAN module | None |
ADC Channels | 10 |
Max ADC Resolution (bits) | 12 |
Max ADC Sampling Rate (ksps) | 1000 |
Number of DACs | 2 |
Number of Op Amps | 3 |
Input Capture | 6 |
Standalone Output Compare/ Standard PWM | 18 |
Motor Control PWM Channels | 12 |
Max 16 Bit Digital Timers | 5 |
Number of Comparators | 2 |
Internal Oscillator | 32Khz ULP, 16Mhz |
Hardware RTCC | Yes |
Max I/O Pins | 25 |
Pin Count | 32 |
Low Power | Yes |
Pins | Packaging | 32 | TQFP |
Temp Range | -40C to +105C |
Packing Media | Tape and reel (2000) |
Data Sheets |
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SAM L21 Family Data Sheet |
Brochures |
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32-bit Microcontroller Families Brochure |
32-bit Peripherals Quick Reference Card |
Atmel-Integrating the Internet of Things |
32-bit MCU Low Power Sell Sheet |
Design Checklist |
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Basic 32-Bit MCU Design and Troubleshooting Checklist |
User Guides |
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QTouch Modular Library Peripheral Touch Controller User Guide |
Atmel SAM L21 Xplained Pro User Guide |
JEDEC Indicator | e3 |
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ROHS | Compliant |
China EFUP | Compliant |
Device Weight (g) | 0.3383 |
Shipping Weight (kg) | 0.410625 |
Lead Count | 32 |
Package Type | TQFP |
Package Width or Size | 7x7x1.0mm |
Soldering Composition | Matte Tin |
Mcu, 32Bit, 48Mhz, Tqfp-32 | Newark Electronics |
32TQFP 85C, GREEN,1.6-3.6V,48MHZ | Avnet America |
32TQFP 105C, GREEN,1.6-3.6V,48MHz | Microchip Technology |
MCU, 32BIT, 48MHZ, TQFP-32 | Farnell |
Where can I find additional details, specifications and documents for a ATSAML21E18B-ANT?
Additional datasheets, footprints and schematics for ATSAML21E18B-ANT are listed on our Part Details page. You can also find images and similar parts to ATSAML21E18B-ANT on this page.
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Is the ATSAML21E18B-ANT RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
Which authorised distributors for ATSAML21E18B-ANT have stock available?
Authorised distributors including Newark Electronics, Avnet America, Microchip Technology and Farnell have stock available or on a lead time for ATSAML21E18B-ANT.
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