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Manufacturer Part #
ATSAMD21E18A-MU
SAMD21E Series 256 KB Flash 32 KB SRAM 48 MHz 32-Bit Microcontroller - QFN-32
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| Mfr. Name: | Microchip | ||||||||||
| Standard Pkg: | Product Variant Information section Available PackagingPackage Qty:490 per Tray Package Style:QFN-32EP Mounting Method:Surface Mount | ||||||||||
| Date Code: | 2402 | ||||||||||
Microchip ATSAMD21E18A-MU - Product Specification
Shipping Information:
ECCN:
PCN Information:
Description of Change:Section DescriptionOrdering Information• Updated the Diagram to reflect the addition of OTP.SYSCTRL• Added a note to the BOD33RDY bitfield in the PCLKSR Register.• Removed obsolete content from the ONDEMAND bitfield in the DFLLCTRL Register.USB• Corrected verbiage in the Register description for the EPINTENSETn Register.Electrical Characteristics at 85°C• Updated the Min and Typ Characteristics for table 37-52 in DFLL48M Characteristics.Electrical Characteristics at 105°C• Updated the Min and Typ Characteristics for table 38-25 in DFLL48M Characteristics.Electrical Characteristics at 125°C• Updated the Min and Typ Characteristics for table 39-37 and 39-38 in DFLL48M Characteristics.• Updated the Min and Max Characteristics for table 39-42 in OSC32K Characteristics.AEC-Q100 125°C Specifications• Updated the Min, Typ, and Max Characteristics for table 40-49 in DFLL48M Characteristics.Schematic Checklist• Updated Table 45-5 with a new MHz rating in Crystal Oscillator.Reason for Change: To Improve Productivity Date Document Changes Effective: 28 Mar 2025
Description of Change:The following updates were performed in this revision:? Updated the document throughout to reflect new silicon revisions H, I, and J? Removed obsolete Data Sheet Clarifications? Added errata Device: 1.5.9 One-Time Programmable LockPlease be advised that this is a change to the document only the product has not been changed.Reason for Change: To Improve Productivity
PCN Status:Final NotificationDescription of Change:Qualification of MP3A as an additional assembly site for ATSAMC20xxx, ATSAMC21xxx, ATSAMD20xxx and ATSAMD21xxx device families available in 32L VQFN (5x5x1mm) package.Reason for Change:To improve productivity by qualifying MP3A as an additional assembly site.
PCN Status:Initial NotificationDescription of Change:Qualification of MP3A as an additional assembly site for ATSAMC20xxx, ATSAMC21xxx, ATSAMD20xxx and ATSAMD21xxx device families available in 32L VQFN (5x5x1mm) package.Reason for Change:To improve productivity by qualifying MP3A as an additional assembly site.Change Implementation Status:In ProgressEstimated Qualification Completion Date:July 2023
Notification Status: FinalDescription of Change:The following errata were added:? SERCOM: 1.15.15 USART in Auto-Baud Mode? TC: 1.17.3 DMA TriggerImpacts to Data Sheet: NoneChange Implementation Status: CompleteDate Document Changes Effective: 07 Oct 2022NOTE: Please be advised that this is a change to the document only the product has not been changed.Markings to Distinguish Revised from Unrevised Devices::N/A
Part Status:
Microchip ATSAMD21E18A-MU - Technical Attributes
| Family Name: | SAMD21E |
| Core Processor: | ARM Cortex M0+ |
| Program Memory Type: | Flash |
| Flash Size (Bytes): | 256kB |
| RAM Size: | 32kB |
| Speed: | 48MHz |
| No of I/O Lines: | 26 |
| InterfaceType / Connectivity: | I2C/LIN/SPI/UART/USART |
| Peripherals: | Brown-out Detect/DMA/I2S/POR/PWM/Reset/Watchdog |
| Supply Voltage: | 1.62V to 3.6V |
| Operating Temperature: | -40°C to +85°C |
| On-Chip ADC: | 10-chx12-bit |
| On-Chip DAC: | 1-chx12-bit |
| Watchdog Timers: | 1 |
| Package Style: | QFN-32EP |
| Mounting Method: | Surface Mount |
Available Packaging
Package Qty:
490 per Tray
Package Style:
QFN-32EP
Mounting Method:
Surface Mount
