ATSAMR21-XPRO vs ATSAMD21-XPRO Comparison
Detailed side-by-side comparison of ATSAMR21-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
ATSAMR21-XPRO - ATSAMR21G18A 802.15.4 2.4GHz Eval Kit | Microchip
ATSAMR21-XPRO β ActiveMicrochip Technology
ATSAMD21-XPRO - SAM D21 Xplained Pro ARM Cortex-M0+ Eval Board
ATSAMD21-XPRO β ActiveSpecification Comparison
| Parameter | ATSAMR21-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) | $66.00 | $36.25 |
| Product Type | Evaluation Kit / Development Board | Evaluation Board (Xplained Pro) |
| On-board MCU | ATSAMR21G18A | β |
| Core Architecture | ARM Cortex-M0+ 32-bit | β |
| Operating Frequency | Up to 48 MHz | β |
| Program Memory | 256 KB Flash | β |
| RAM | 32 KB SRAM | β |
| RF Frequency Band | 2.4 GHz ISM | β |
| RF Standard | IEEE 802.15.4 / Zigbee / 6LoWPAN | β |
| Modulation | O-QPSK (per IEEE 802.15.4 PHY) | β |
| RF Link Budget | 103 dB | β |
| MCU Package | 64-pin QFN | β |
| On-board Antenna | Integrated 2.4 GHz ceramic chip antenna | β |
| Debug Interface | On-board EDBG (USB to SWD + VCOM + DGI) | nEDBG (CMSIS-DAP) on-board |
| Host Interface | USB Micro-B | β |
| Form Factor | Xplained Pro (compatible with Xplained Pro extensions) | Xplained Pro standard (approx 88 mm x 53 mm) |
| Supported Software | Atmel Studio, Microchip Studio, ASF, BitCloud Zigbee PRO, IEEE 802.15.4 MAC | β |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | β |
| Target MCU | β | ATSAMD21J18A |
| Core Processor | β | ARM Cortex-M0+ 32-bit |
| CPU Max Frequency | β | 48 MHz |
| Flash Memory (on-chip) | β | 256 KB |
| SRAM | β | 32 KB |
| On-board SPI Flash | β | 1 MB |
| Low-frequency Crystal | β | 32.768 kHz |
| High-frequency Crystal | β | 12 MHz |
| USB Connectors | β | 1x Micro-B (debug/CDC), 1x Micro-B (target) |
| Extension Headers | β | 3x 20-pin Xplained Pro (compatible with I/O1, OLED1, QT1, PROTO1) |
| User Inputs | β | 1x mechanical reset button, 1x user touch button |
| User Outputs | β | 1x user LED |
| Arduino-compatible Headers | β | Yes (subset of ATSAMD21J18A I/O) |
| Operating Voltage (target) | β | 3.3 V |
| Board Power Source | β | USB Micro-B |
| Supported IDEs | β | MPLAB X IDE, Atmel Studio 7, Atmel START |