ATSAMD21-XPRO vs ATSAMD21J18A-CU Comparison
Detailed side-by-side comparison of ATSAMD21-XPRO by Microchip Technology and ATSAMD21J18A-CU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMD21-XPRO - SAM D21 Xplained Pro ARM Cortex-M0+ Eval Board
ATSAMD21-XPRO β ActiveMicrochip Technology
ATSAMD21J18A-CU - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J18A-CU β ActiveSpecification Comparison
| Parameter | ATSAMD21-XPRO | ATSAMD21J18A-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Development Boards | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $36.25 | $2.52 |
| Product Type | Evaluation Board (Xplained Pro) | β |
| Target MCU | ATSAMD21J18A | β |
| Core Processor | ARM Cortex-M0+ 32-bit | β |
| CPU Max Frequency | 48 MHz | β |
| Flash Memory (on-chip) | 256 KB | β |
| SRAM | 32 KB | 32 KB |
| On-board SPI Flash | 1 MB | β |
| Low-frequency Crystal | 32.768 kHz | β |
| High-frequency Crystal | 12 MHz | β |
| Debug Interface | nEDBG (CMSIS-DAP) on-board | β |
| USB Connectors | 1x Micro-B (debug/CDC), 1x Micro-B (target) | β |
| Extension Headers | 3x 20-pin Xplained Pro (compatible with I/O1, OLED1, QT1, PROTO1) | β |
| User Inputs | 1x mechanical reset button, 1x user touch button | β |
| User Outputs | 1x user LED | β |
| Arduino-compatible Headers | Yes (subset of ATSAMD21J18A I/O) | β |
| Operating Voltage (target) | 3.3 V | β |
| Board Power Source | USB Micro-B | β |
| Supported IDEs | MPLAB X IDE, Atmel Studio 7, Atmel START | β |
| RoHS Status | Compliant | Compliant (GREEN) |
| Form Factor | Xplained Pro standard (approx 88 mm x 53 mm) | β |
| Core | β | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | β | 48 MHz |
| CoreMark/MHz | β | 2.46 |
| Flash Memory | β | 256 KB |
| Operating Voltage | β | 1.62 V to 3.6 V |
| Package | β | 64-ball UFBGA (CU), 5x5 mm |
| SERCOM Channels | β | 6 (configurable as UART/SPI/I2C) |
| USB | β | USB 2.0 Full-Speed Device with on-chip PHY |
| ADC | β | 12-bit, up to 1 MSPS, up to 12 analog inputs |
| DAC | β | 10-bit, 1 channel |
| Timers/Counters | β | Up to 8 TC channels (24-bit), 3 TCC channels (16-bit) |
| I/O Pins | β | Up to 52 GPIO (depending on package) |
| Operating Temperature | β | -40C to +85C (Industrial / GREEN) |
| On-chip Oscillator | β | 48 MHz DFLL48M with PLL |
| Mounting Type | β | Surface Mount (BGA) |
| MSL Level | β | 3 (per JEDEC J-STD-020) |