ATSAML21J18A-AUT

$3.66

Description：IC MCU 32BIT 256KB FLASH 64TQFP
Series：SAM L21J
Mfr：Microchip Technology
Package：Tape & Reel (TR)
Core Processor：ARM® Cortex®-M0+

SKU:2e6197b82f99 Category: Microcontrollers Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：IC MCU 32BIT 256KB FLASH 64TQFP
Series：SAM L21J
Mfr：Microchip Technology
Package：Tape & Reel (TR)
Core Processor：ARM® Cortex®-M0+
Core Size：32-Bit Single-Core
Speed：48MHz
Connectivity：I2C, LINbus, SCI, SPI, UART/USART, USB
Peripherals：DMA, POR, PWM, WDT
Number of I/O：51
Program Memory Size：256KB (256K x 8)
Program Memory Type：FLASH
EEPROM Size：-
RAM Size：32K x 8
Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.63V
Data Converters：A/D 20x12b; D/A 2x12b
Oscillator Type：Internal
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：64-TQFP (10x10)
Package / Case：64-TQFP
Grade：-
Qualification：-

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ATSAML21J18A-AUT

Overview

The ATSAML21J18A-AUT is an ARM Cortex-M0+ microcontroller featuring 256KB Flash and 32KB SRAM. It operates at a maximum frequency of 48MHz with a supply voltage range of 1.62V to 3.63V. The device includes a 12-bit ADC, USB interface, and touch controller capabilities.

Feature Summary

Ultra-low-power architecture with SleepWalking and power domain gating
Integrated full-speed USB 2.0 embedded host and device function
Configurable Custom Logic (CCL) for flexible peripheral interconnection

Applications

Battery-powered wearable devices
Industrial sensor nodes
Smart home appliances

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing design constraints before procurement.

Selection Notes

Select this model for applications requiring high integration in a compact form factor. Consider pin count and memory requirements relative to other SAM L21 variants.