ATSAMD21-XPRO vs ATSAMC21-XPRO Comparison
Detailed side-by-side comparison of ATSAMD21-XPRO by Microchip Technology and ATSAMC21-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 ✓ ActiveMicrochip Technology
ATSAMC21-XPRO - SAM C21 Xplained Pro Evaluation Kit | Microchip
ATSAMC21-XPRO ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21-XPRO | ATSAMC21-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 | $43.08 |
| Product Type | Evaluation Board (Xplained Pro) | Evaluation / Development Board |
| Target MCU | ATSAMD21J18A | ATSAMC21J18A |
| Core Processor | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit |
| CPU Max Frequency | 48 MHz | — |
| Flash Memory (on-chip) | 256 KB | — |
| SRAM | 32 KB | — |
| On-board SPI Flash | 1 MB | — |
| Low-frequency Crystal | 32.768 kHz | — |
| High-frequency Crystal | 12 MHz | — |
| Debug Interface | nEDBG (CMSIS-DAP) on-board | USB (micro-B) to host PC |
| USB Connectors | 1x Micro-B (debug/CDC), 1x Micro-B (target) | — |
| Extension Headers | 3x 20-pin Xplained Pro (compatible with I/O1, OLED1, QT1, PROTO1) | 3x Xplained Pro (EXT1, EXT2, EXT3) |
| User Inputs | 1x mechanical reset button, 1x user touch button | — |
| User Outputs | 1x user LED | — |
| Arduino-compatible Headers | Yes (subset of ATSAMD21J18A I/O) | — |
| Operating Voltage (target) | 3.3 V | — |
| Board Power Source | USB Micro-B | — |
| Supported IDEs | MPLAB X IDE, Atmel Studio 7, Atmel START | — |
| RoHS Status | Compliant | Compliant |
| Form Factor | Xplained Pro standard (approx 88 mm x 53 mm) | — |
| Core Architecture | — | ARMv6-M |
| Operating Frequency | — | [DATA_NEEDED: max MHz] |
| On-board Flash (target MCU) | — | 256 KB |
| On-board SRAM (target MCU) | — | 32 KB |
| Supply Voltage (board) | — | 5V via USB or external |
| Digital I/O Voltage | — | 5V tolerant |
| On-board Debugger | — | EDBG (CMSIS-DAP / DGI / CDC) |
| Current Measurement Header | — | 1x2 100 mil, marked MCU current |
| Buttons | — | Reset + 2x QTouch |
| LEDs | — | Power LED + Status LED + User LED |
| On-board MCU Package | — | 64-pin TQFP / VQFN-style |
| Operating Temperature | — | 0C to +70C (commercial dev kit) |