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ATSAMD21E18A-AU

ATSAMD21E18A-AU

ATSAMD21E18A-AU

Microchip Technology

256KB 256K x 8 FLASH ARM® Cortex®-M0+ 32-Bit Microcontroller SAM D21E Series ATSAMD21E18 32 Pin 48MHz 3.3V 32-TQFP

SOT-23

ATSAMD21E18A-AU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 8 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 32-TQFP
Surface MountYES
Number of Pins 32
Supplier Device Package 32-TQFP (7x7)
Number of Terminals 32
Mounting Style SMD/SMT
Interfaces I2C/I2S/SPI/UART/USA
Data Converters A/D 10x12b, D/A 1x10b
Package Tray
Base Product Number ATSAMD21
Mfr Microchip Technology
Product Status Active
Family Name SAM D21
Instruction Set Architecture ARM v6
Dimensions 7.1 x 7.1 x 1.05mm
Typical Operating Supply Voltage 3.3 V
Package Type TQFP
Maximum Operating Temperature+85 °C
Minimum Operating Temperature -40 °C
MSL MSL 3 - 168 hours
DAC Resolution 10 bit
Qualification AEC-Q100
Number of I/Os 26 I/O
Interface Type I2C, I2S, LIN, SPI, USART
Manufacturer Microchip
Brand Microchip Technology / Atmel
RoHS Details
Package Shape SQUARE
Number of I/O Lines 26
Operating Temperature-40°C~85°C TA
PackagingTray
Series SAM D21E
Published 2014
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 32
Terminal Finish Matte Tin (Sn)
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 3.3V
Terminal Pitch0.8mm
Reach Compliance Code compliant
Frequency 48MHz
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number ATSAMD21E18
Pin Count32
JESD-30 Code S-PQFP-G32
Qualification StatusNot Qualified
Operating Supply Voltage3.3V
Power Supplies3.3 V
Temperature GradeINDUSTRIAL
Interface I2C, I2S, LIN, SPI, UART, USB
Max Supply Voltage3.63 V
Min Supply Voltage1.62 V
Memory Size256kB
Oscillator TypeInternal
Number of I/O 26
Speed 48MHz
RAM Size 32K x 8
Memory TypeFLASH
Voltage - Supply (Vcc/Vdd) 1.62V~3.6V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor ARM® Cortex®-M0+
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 32-Bit
Program Memory Size 256KB 256K x 8
Connectivity I2C, LINbus, SPI, UART/USART, USB
Supply Current-Max 7 mA
Bit Size 32
Data Converter A/D 10x12b; D/A 1x10b
Watchdog TimerYes
Has ADC YES
DMA Channels YES
Data Bus Width 32b
PWM Channels YES
DAC Channels YES
Seated Height-Max 1.2 mm
Number of Timers/Counters 5
Product TypeARM Microcontrollers - MCU
ROM (words) 262144
Core Architecture ARM
EEPROM Size --
CPU Family CORTEX-M0
Max Frequency 48 MHz
Number of A/D Converters 2
Number of Programmable I/O 26
Number of UART Channels 1
RAM (bytes) 32768
Number of ADC Channels 10
Max Junction Temperature (Tj) 100°C
ROM Programmability FLASH
Number of PWM Channels 6
Number of I2C Channels 4
Ambient Temperature Range High85°C
Number of SPI Channels 4
Number of USB Channels 1
Product MCU
Product CategoryARM Microcontrollers - MCU
Device CoreARM Cortex M0+
Height 1.2mm
Length 7.1mm
Width 7.1mm
REACH SVHC No SVHC
RoHS StatusROHS3 Compliant
In-Stock:1931 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$3.00000$3
25$2.72960$68.24
100$2.47200$247.2

ATSAMD21E18A-AU Product Details

ATSAMD21E18A-AU Overview


The package is 32-TQFP-shaped. There are 26 I/Os. In the case of the IC chip, the type of mounting is Surface Mount. Microcontroller is based on the 32-Bit core architecture. The type of program memory it uses is FLASH. Temperatures in the range of -40°C~85°C TA are operated by this Microcontroller. It is part of the SAM D21E series of electrical components. Having a size of 256KB 256K x 8, Microcontroller has a program memory of X bytes. A ARM® Cortex®-M0+ Core Processor is at the core of this Microcontroller. This device belongs to the MICROCONTROLLER, RISC uPs/uCs/Peripheral ICs category. IC Chip 32 has 32 terminations. 32-bits are used for its size. IC Chip has 3.3V volt supply outputs. With YES DMA channels, Microcontroller chip can handle large data transfers. 256kB is the size of the memory in the IC part. Using the base part number ATSAMD21E18, you will be able to find alternatives for the part. Using a 48MHz frequency, this electronic part can perform efficiently. Devices work in YES PWM channels. On the chip, 32 pins are accessible. In total, there are 5 timers/counters on the device. The pin count is 32. There is an embedded the CORTEX-M0 CPU family inside the device, which makes it a powerful device. There is FLASH memory on this piece of equipment. In addition, it comes with a ARM core architecture. It has 26 Programmable Input/Output pins that can be programmed. A total of 8 UART channels are available on it. The ADC channel count on this device totals up to 10 channels. A total of 2 A/D converters are included in this device. In order for the device to function, it uses 6 PWM channels. 4 I2C channels are integrated by the part.

ATSAMD21E18A-AU Features


32-TQFP package
Mounting type of Surface Mount
Minimum temperature of -40 °C


ATSAMD21E18A-AU Applications


There are a lot of Microchip Technology
ATSAMD21E18A-AU Microcontroller applications.


  • Instrument control
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers

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