Skip to main content

Microchip Technology ATSAMD21J16A-CU Microcontroller, Microprocessor, FPGA Modules

IC MCU 32BIT 64KB FLASH 64UFBGA

20,293 ActiveMicrochip Technology64-UFBGARoHS
ATSAMD21J16A-CU 64-UFBGA package illustration

Same model may have multiple batches, images only for reference.

ATSAMD21J16A-CU
Part Number (MPN)
ATSAMD21J16A-CU
Detailed Description
IC MCU 32BIT 64KB FLASH 64UFBGA
Package
64-UFBGA
Key Features
Package / Case: 64-UFBGA; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PDF ATSAMD21J16A-CU Datasheet
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

Technical Specifications

Microchip Technology ATSAMD21J16A-CU Microcontroller, Microprocessor, FPGA Modules technical specifications.

General

Series
SAM D21J, Functional Safety (FuSa)
RAM Size
8K x 8
RoHS
Yes
Package / Case
64-UFBGA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O
52

Related Parts Comparison (ATSAMD21J16A-CU vs ATSAMD21J17D-CUT vs ATSAMD20J18A-CUT vs ATSAMD21J18A-CUT)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Package / Case64-UFBGA64-UFBGA64-UFBGA64-UFBGA
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage1.62V ~ 3.6V1.62V ~ 3.63V1.62V ~ 3.6V1.62V ~ 3.6V
Core ProcessorARM® Cortex®-M0+ARM® Cortex®-M0+ARM® Cortex®-M0+ARM® Cortex®-M0+
Core Size32-Bit Single-Core32-Bit Single-Core32-Bit Single-Core32-Bit Single-Core
RAM Size8K x 816K x 832K x 832K x 8
RoHSYesYesYesYes
Lifecycle StatusActiveActiveActiveActive
ConnectivityI²C, LINbus, SPI, UART/USART, USBI²C, LINbus, SPI, UART/USART, USBI²C, SPI, UART/USARTI²C, LINbus, SPI, UART/USART, USB
Data ConvertersA/D 20x12b; D/A 1x10bA/D 20x12b; D/A 1x10bA/D 20x12b; D/A 1x10bA/D 20x12b; D/A 1x10b
Number of I/O52525252
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

More Parts in Microcontrollers

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.