ATSAMDA1-XPRO vs ATSAMD21-XPRO Comparison
Detailed side-by-side comparison of ATSAMDA1-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
ATSAMDA1-XPRO - SAM DA1 Xplained Pro ARM Cortex-M0+ Eval Board
ATSAMDA1-XPRO β ActiveMicrochip Technology
ATSAMD21-XPRO - SAM D21 Xplained Pro ARM Cortex-M0+ Eval Board
ATSAMD21-XPRO β ActiveSpecification Comparison
| Parameter | ATSAMDA1-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) | $72.00 | $36.25 |
| Product Type | Evaluation Board / Development Kit | Evaluation Board (Xplained Pro) |
| Target MCU Family | SAM DA1 (ARM Cortex-M0+) | β |
| Target Device Variants | ATSAMDA1E / ATSAMDA1G / ATSAMDA1J (32-/48-/64-pin) | β |
| Core Processor | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit |
| Maximum Core Frequency | 48 MHz | β |
| CoreMark/MHz | 2.46 | β |
| On-chip Flash (max) | 64 KB | β |
| On-chip SRAM | 8 KB | β |
| Read-While-Write Flash | Up to 2 KB | β |
| SERCOM Modules | 6 | β |
| Peripheral Touch Controller (PTC) | Yes (hardware capacitive touch) | β |
| Integrated Debugger | Yes (EDBG / Xplained Pro on-board) | β |
| Expansion Interface | Xplained Pro / mikroBUS headers | β |
| Operating Temperature (target MCU) | -40 C to +105 C | β |
| Automotive Qualification (target MCU) | AEC-Q100 qualified | β |
| RoHS Status | Compliant | Compliant |
| Target MCU | β | ATSAMD21J18A |
| 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 |
| Debug Interface | β | nEDBG (CMSIS-DAP) on-board |
| 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 |
| Form Factor | β | Xplained Pro standard (approx 88 mm x 53 mm) |