ATSAML21J18B-MNT by Microchip Technology

Status: Active
Series: ATSAML21J18B
RoHS: Compliant
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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. 

Prices starting from US$4.97


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Logo for Microchip Technology Microchip Technology US$4.97
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Logo for Newark Electronics Newark Electronics US$5.85
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Logo for Avnet America Avnet America US$6.90
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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
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)

Specifications

Part Family SAML21
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
SPI™ 6
I2C 6
UART 6
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 20
Max ADC Resolution (bits) 12
Max ADC Sampling Rate (ksps) 1000
Number of DACs 2
Number of Op Amps 3
Input Capture 10
Standalone Output Compare/ Standard PWM 24
Motor Control PWM Channels 14
Max 16 Bit Digital Timers 5
Number of Comparators 2
Internal Oscillator 32Khz ULP, 16Mhz
Hardware RTCC Yes
Max I/O Pins 51
Pin Count 64
Low Power Yes
Pins | Packaging 64 | VQFN
Temp Range -40C to +105C
Packing Media Tape and reel (4000)

Resources



Application Notes
32-bit Microcontroller Wafer-Level Chip-Scale Package (WLCSP)
AN3346 - Introduction to MPLAB X IDE and MPLAB Harmony v3 for Atmel Studio and ASF users
AN_42413 - AT03974: Read While Write EEPROM
AN_42411 - AT06549: Ultra Low Power Techniques
AN_42382 - AT04056: Getting Started with FreeRTOS on SAM Flash MCUs
AN_42336 - AT09331: ASF USB Stack Manual
AN2468 - Production Programming of Microchip AVR and SAM Microcontrollers
AN_42750 - AT14973: SAM L21 Wearable Demo Reference Design User Guide
AN2587 - EMI, EMC, EFT, and ESD Circuit Design Consideration for 32-bit Microcontrollers Application Note
sam i2c bus driver sercom i2c applicATion note AT03254
AT03975: Getting Started with SAM L21
sam configurable custom logic ccl driver AT10942 applicATion note
MPLAB Harmony v3 Project Migration



Legacy Collaterals
ATULPC-DEMO User Guide
AN_42115 - AT03255: SAM D/R/L/C Serial Peripheral Interface (SERCOM SPI) Driver
AN_42118 - AT03256: SAM D/R/L/C Serial USART (SERCOM USART) Driver
AN_42116 - AT03254: SAM D/R/L/C I2C Slave Mode (SERCOM I2C) Driver
AN_42122 - AT03261: SAM D/R/L/C System Interrupt (SYSTEM INTERRUPT) Driver
AN_42121 - AT03262: SAM D/R/L/C System Pin Multiplexer (SYSTEM PINMUX) Driver
AN_42123 - AT03263: SAM D/R/L/C Timer Counter (TC) Driver
AN_42124 - AT03264: SAM D/R/L/C Watchdog (WDT) Driver
AN_42126 - AT03266: SAM D/R/L/C RTC Calendar (RTC CAL) Driver
AN_42138 - AT03664: Getting Started with FreeRTOS on SAM D20/D21/R21/L21/L22
AN_42446 - AT10799: SAM L21 Operational Amplifier Controller (OPAMP) Driver
AN_42410 - AT03975: Getting Started with SAM L21
AN_42419 - AT03716: Implementation of SAM L Configurable Custom Logic (CCL) Peripheral
AN2709 - Low Power Features of SAM L Series Devices
AN_42471 - AT12705: SAM L21 ADC Sampling using Low-Power Features
AN_42438 - AT09423: SAM-BA Overview and Customization Process
AN_42453 - AT11512: SAM L Brown Out Detector (BOD) Driver
AN_42445 - AT10747: SAM L Advanced Encryption Standard (AES) Driver
AN_42444 - AT10732: SAM L True Random Number Generator (TRNG) Driver
AN_42448 - AT10942: SAM Configurable Custom Logic (CCL) Driver
AN_42452 - AT11389: SAM System Clock Management (SYSTEM CLOCK) Driver
AN_42447 - AT10931: SAM Read While Write EEPROM (RWW EEPROM) Emulator Service
AN_42400 - AT03976: SAM L21 OPAMP as ADC Gain Amplifier
AN_42125 - AT03265: SAM D10/D11/D20/D21/R/L/C EEPROM Emulator (EEPROM) Service
AN_42344 - AT09339: USB Host Interface (UHI) for Mass Storage Class (MSC)
AN_42346 - AT09341: USB Host Interface (UHI) for Vendor Class Device
AN_42338 - AT09333: USB Host Interface (UHI) for Communication Class Device (CDC)
AN_42342 - AT09337: USB Host Interface (UHI) for Human Interface Device Mouse (HID Mouse)
AN_42337 - AT09332: USB Device Interface (UDI) for Communication Class Device (CDC)
AN_42345 - AT09340: USB Device Interface (UDI) for Vendor Class Device
AN_42339 - AT09334: USB Device Interface (UDI) for Human Interface Device Generic (HID Generic)
AN_42257 - AT07683: SAM D09/D10/D11/D21/DA1/R/L/C Direct Memory Access Controller (DMAC) Driver
AN_42256 - AT07058: SAM D10/D11/D21/DA1/R/L/C Timer Counter for Control Applications (TCC) Driver
AN_42451 - AT11380: SAM L/C Analog-to-Digital Converter (ADC) Driver
AN_42650 - AT10840: SAM-BA Bootloader for SAM L Series Devices
AN_42449 - AT11378: SAM L21 System (SYSTEM) Driver
AN_42450 - AT11379: SAM L21 Digital-to-Analog Converter (DAC) Driver
AN_42341 - AT09336: USB Device Interface (UDI) for Human Interface Device Mouse (HID Mouse)
AN_42343 - AT09338: USB Device Interface (UDI) for Mass Storage Class (MSC)
AN_42340 - AT09335: USB Device Interface (UDI) for Human Interface Device Keyboard (HID Keyboard)
AN_42107 - AT03229: SAM D/R/L/C Peripheral Access Controller (PAC) Driver
AN_42106 - AT03242: SAM D20/D21/D10/D11/DA1/L/C Analog Comparator (AC) Driver
AN_42108 - AT03245: SAM D/R/L/C Event System (EVENTS) Driver
AN_42112 - AT03246: SAM D/R/L/C External Interrupt (EXTINT) Driver
AN_42114 - AT03247: SAM D/R/L/C Non-Volatile Memory (NVM) Driver
AN_42113 - AT03248: SAM D/R/L/C Port (PORT) Driver
AN_42111 - AT03249: SAM D/R/L/C RTC Count (RTC COUNT) Driver
AN_42117 - AT03250: SAM D/R/L/C I2C Master Mode (SERCOM I2C) Driver
AN_42512 - AT13382: Migrating from SAM L21 variant A to variant B
AN_42728 - AT15004:Using SAM-BA for Linux on SAM Devices
AN_42699 - AT11513: ASF Manual (SAM L21)
Atmel ARM GNU Toolchain 5.3.1 - Release Note
Arm GNU Toolchain Frequently Asked Questions
Using Device Family Packs (DFP) with Toolchain
Computers that You Wear Help Your Work and Play
Atmel QTouch Modular Library Peripheral Touch Controller (v1.0.000)
AN2465 - SAM D21 SERCOM SPI Configuration
ASF4 API Reference Manual
SAM-BA Monitor for ROMless Cortex M Devices - SAM-BA® Monitor for ROMless Cortex Devices Application Note
How to Customize ASFv3 SAM-BA Bootloader on Cortex-





Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.1885
Shipping Weight (kg) 0.30725
Lead Count 64
Package Type VQFN
Package Width or Size 9x9x1mm
Soldering Composition Matte Tin

Alternative Descriptions

64QFN 105C, GREEN,1.6-3.6V,48MHz | Microchip Technology
Mcu, 32Bit, 48Mhz, Qfn-64 | Newark Electronics
64QFN 85C, GREEN,1.6-3.6V,48MHZ | Avnet America
MCU, 32BIT, 48MHZ, QFN-64 | Farnell


Frequently Asked Questions

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Is the ATSAML21J18B-MNT RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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