ATSAMD21-XPRO vs ATSAMD20-XPRO Comparison
Detailed side-by-side comparison of ATSAMD21-XPRO by Microchip Technology and ATSAMD20-XPRO 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
ATSAMD20-XPRO - SAM D20 Xplained Pro Cortex-M0+ Eval Kit | Microchip
ATSAMD20-XPRO β ActiveSpecification Comparison
| Parameter | ATSAMD21-XPRO | ATSAMD20-XPRO |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Development Boards | Development Boards |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $36.25 | $70.00 |
| Product Type | Evaluation Board (Xplained Pro) | β |
| Target MCU | ATSAMD21J18A | ATSAMD20J18A |
| 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 KiB |
| 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 | Embedded Atmel EDBG (USB HID) |
| 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) | 3 x Xplained Pro 20-pin |
| 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 |
| Form Factor | Xplained Pro standard (approx 88 mm x 53 mm) | β |
| Manufacturer | β | Microchip Technology |
| Series | β | SAM D20 Xplained Pro |
| Core | β | ARM Cortex-M0+ 32-bit |
| Clock Speed | β | 48 MHz |
| Flash Memory | β | 256 KiB |
| Crystal Oscillator | β | 32.768 kHz |
| Arduino Shield Compatibility | β | Yes, R3 footprint |
| Power Input | β | USB micro-B 5 V |
| Board Form Factor | β | Xplained Pro (approx. 75 x 100 mm) |
| Toolchain Support | β | Microchip Studio / Atmel Studio / MPLAB X IDE / ASF |
| Lead-Free | β | Yes |
| Operating Temperature | β | 0C to +60C (commercial eval kit) |