ATSAML21G18B Series

Catalog

ARM MCU, SAM 32 FAMILY SAM L21 SERIES MICROCONTROLLERS, ARM CORTEX-M0+, 32 BIT, 48 MHZ, 256 KB

Part	Oscillator Type	Connectivity	Data Converters [custom]	Data Converters [custom]	Program Memory Size	Package / Case	Mounting Type	Supplier Device Package	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Peripherals	Core Size	Program Memory Type	Operating Temperature [Max]	Operating Temperature [Min]	Core Processor	Number of I/O	Speed	RAM Size	Data Converters
Microchip Technology ATSAML21G18B-MNT	Internal	I2C LINbus SCI SPI UART/USART USB	12 12	2 14	256 KB	48-VFQFN Exposed Pad	Surface Mount	48-QFN (7x7)	1.62 V	3.63 V	DMA POR PWM WDT	32-Bit Single-Core	FLASH	105 °C	-40 °C	ARM® Cortex®-M0+	37	48 MHz
Microchip Technology ATSAML21E17B-ANT	Internal	I2C LINbus SCI SPI UART/USART USB			128 KB	32-TQFP	Surface Mount	32-TQFP (7x7)	1.62 V	3.63 V	DMA POR PWM WDT	32-Bit Single-Core	FLASH	105 °C	-40 °C	ARM® Cortex®-M0+	25	48 MHz	16 K	A/D 10x12b D/A 2x12b
Microchip Technology ATSAML21J18B-ANT	Internal	I2C LINbus SCI SPI UART/USART USB	12	2 channels 20	256 KB	64-TQFP	Surface Mount	64-TQFP (10x10)	1.62 V	3.63 V	DMA POR PWM WDT	32-Bit Single-Core	FLASH	105 °C	-40 °C	ARM® Cortex®-M0+	51	48 MHz
Microchip Technology ATSAML21G16B-MUT	Internal	I2C LINbus SCI SPI UART/USART USB	12 12	2 14	64 KB	48-VFQFN Exposed Pad	Surface Mount	48-QFN (7x7)	1.62 V	3.63 V	DMA POR PWM WDT	32-Bit Single-Core	FLASH	85 °C	-40 °C	ARM® Cortex®-M0+	37	48 MHz	8 K
Microchip Technology ATSAML21G16B-MNT	Internal	I2C LINbus SCI SPI UART/USART USB	12 12	2 14	64 KB	48-VFQFN Exposed Pad	Surface Mount	48-QFN (7x7)	1.62 V	3.63 V	DMA POR PWM WDT	32-Bit Single-Core	FLASH	105 °C	-40 °C	ARM® Cortex®-M0+	37	48 MHz	8 K
Microchip Technology ATSAML21J18B-AUT	Internal	I2C LINbus SCI SPI UART/USART USB	12	2 channels 20	256 KB	64-TQFP	Surface Mount	64-TQFP (10x10)	1.62 V	3.63 V	DMA POR PWM WDT	32-Bit Single-Core	FLASH	85 °C	-40 °C	ARM® Cortex®-M0+	51	48 MHz
Microchip Technology ATSAML21J17B-AUT	Internal	I2C LINbus SCI SPI UART/USART USB	12	2 channels 20	128 KB	64-TQFP	Surface Mount	64-TQFP (10x10)	1.62 V	3.63 V	DMA POR PWM WDT	32-Bit Single-Core	FLASH	85 °C	-40 °C	ARM® Cortex®-M0+	51	48 MHz	16 K
Microchip Technology ATSAML21G16B-ANT	Internal	I2C LINbus SCI SPI UART/USART USB	12 12	2 14	64 KB	48-TQFP	Surface Mount	48-TQFP (7x7)	1.62 V	3.63 V	DMA POR PWM WDT	32-Bit Single-Core	FLASH	105 °C	-40 °C	ARM® Cortex®-M0+	37	48 MHz	8 K
Microchip Technology ATSAML21J18B-MUT	Internal	I2C LINbus SCI SPI UART/USART USB	12	2 channels 20	256 KB	64-VFQFN Exposed Pad	Surface Mount	64-QFN (9x9)	1.62 V	3.63 V	DMA POR PWM WDT	32-Bit Single-Core	FLASH	85 °C	-40 °C	ARM® Cortex®-M0+	51	48 MHz
Microchip Technology ATSAML21E16B-MUT	Internal	I2C LINbus SCI SPI UART/USART USB			64 KB	32-VFQFN Exposed Pad	Surface Mount	32-VQFN (5x5)	1.62 V	3.63 V	DMA POR PWM WDT	32-Bit Single-Core	FLASH	85 °C	-40 °C	ARM® Cortex®-M0+	25	48 MHz	8 K	A/D 10x12b D/A 2x12b

Catalog

Key Features

• * ARM Cortex-M0+ CPU running at up to 48MHz

• * 128 KB in-system self-programmable Flash

• * 4 KB Flash Read-While-Write section

• * 16 KB SRAM Main Memory

• * 8 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)

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](https://www.microchip.com/en-us/tools-resources/configure/mplab-harmony). **Functional Safety** This device supports the IEC 61508 ([SIL 2](https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/32-bit-mcus/32-bit-functional-safety/industrial-safety-self-test-library)) 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](https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/32-bit-mcus/32-bit-functional-safety/industrial-safety-self-test-library) web page · Learn more about [32-bit MCUs with Functional Safety](https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/32-bit-mcus/32-bit-functional-safety)capabilities including device hardware and certified software libraries.