Microchip Technology ATSAMD21J17A-CU Microcontroller, Microprocessor, FPGA Modules
IC MCU 32BIT 128KB FLASH 64UFBGA

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAMD21J17A-CU
Detailed Description
IC MCU 32BIT 128KB FLASH 64UFBGA
Package
64-UFBGA
Key Features
Package / Case: 64-UFBGA; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATSAMD21J17A-CU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAMD21J17A-CU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
16K x 8
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
Speed
48MHz
Core Processor
ARM® Cortex®-M0+
Alternate Parts Comparison (ATSAMD21J17A-CU vs ATSAMD21J17D-CUT vs ATSAMD20J18A-CUT vs ATSAMD21J16A-CU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 64-UFBGA | 64-UFBGA | 64-UFBGA | 64-UFBGA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.63V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 16K x 8 | 16K x 8 | 32K x 8 | 8K x 8 |
| Connectivity | I²C, LINbus, SPI, UART/USART, USB | I²C, LINbus, SPI, UART/USART, USB | I²C, SPI, UART/USART | I²C, LINbus, SPI, UART/USART, USB |
| Data Converters | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b |
| Number of I/O | 52 | 52 | 52 | 52 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, POR, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| 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
MKL26Z128VLH4NXP SemiconductorsNXP
IC MCU 32BIT 128KB FLASH 64LQFP
MKL17Z128VMP4NXP SemiconductorsNXP
IC MCU 32BIT 128KB FLSH 64MAPBGA
MKL16Z128VLH4NXP SemiconductorsNXP
IC MCU 32BIT 128KB FLASH 64LQFP
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.