ATSAMC21-XPRO vs ATSAMD21-XPRO Comparison
Detailed side-by-side comparison of ATSAMC21-XPRO by Microchip Technology and ATSAMD21-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
ATSAMC21-XPRO - SAM C21 Xplained Pro Evaluation Kit | Microchip
ATSAMC21-XPRO ✓ ActiveMicrochip Technology
ATSAMD21-XPRO - SAM D21 Xplained Pro ARM Cortex-M0+ Eval Board
ATSAMD21-XPRO ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21-XPRO | ATSAMD21-XPRO |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Development Boards | Development Boards |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $43.08 | $36.25 |
| Product Type | Evaluation / Development Board | Evaluation Board (Xplained Pro) |
| Target MCU | ATSAMC21J18A | ATSAMD21J18A |
| Core Processor | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit |
| 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) | — |
| Debug Interface | USB (micro-B) to host PC | nEDBG (CMSIS-DAP) on-board |
| Extension Headers | 3x Xplained Pro (EXT1, EXT2, EXT3) | 3x 20-pin Xplained Pro (compatible with I/O1, OLED1, QT1, PROTO1) |
| 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 | — |
| RoHS Status | Compliant | Compliant |
| Operating Temperature | 0C to +70C (commercial dev kit) | — |
| 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 |
| USB Connectors | — | 1x Micro-B (debug/CDC), 1x Micro-B (target) |
| 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 |
| Form Factor | — | Xplained Pro standard (approx 88 mm x 53 mm) |