ATSAMD21-XPRO vs ATSAMDA1-XPRO 对比
详细并排对比 ATSAMD21-XPRO 出自 Microchip Technology 和 ATSAMDA1-XPRO 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATSAMD21-XPRO - SAM D21 Xplained Pro ARM Cortex-M0+ Eval Board
ATSAMD21-XPRO ✓ 量产中Microchip Technology
ATSAMDA1-XPRO - SAM DA1 Xplained Pro ARM Cortex-M0+ Eval Board
ATSAMDA1-XPRO ✓ 量产中规格对比
| 参数 | ATSAMD21-XPRO | ATSAMDA1-XPRO |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Development Boards | Development Boards |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $36.25 | $72.00 |
| Product Type | Evaluation Board (Xplained Pro) | Evaluation Board / Development Kit |
| Target MCU | ATSAMD21J18A | — |
| 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 Connectors | 1x Micro-B (debug/CDC), 1x Micro-B (target) | — |
| Extension Headers | 3x 20-pin Xplained Pro (compatible with I/O1, OLED1, QT1, PROTO1) | — |
| 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 状态 | Compliant | Compliant |
| Form Factor | Xplained Pro standard (approx 88 mm x 53 mm) | — |
| Target MCU Family | — | SAM DA1 (ARM Cortex-M0+) |
| Target Device Variants | — | ATSAMDA1E / ATSAMDA1G / ATSAMDA1J (32-/48-/64-pin) |
| Maximum Core Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| On-chip Flash (max) | — | 64 KB |
| On-chip SRAM | — | 8 KB |
| Read-While-Write Flash | — | Up to 2 KB |
| SERCOM Modules | — | 6 |
| Peripheral Touch Controller (PTC) | — | Yes (hardware capacitive touch) |
| Integrated Debugger | — | Yes (EDBG / Xplained Pro on-board) |
| Expansion Interface | — | Xplained Pro / mikroBUS headers |
| Operating Temperature (target MCU) | — | -40 C to +105 C |
| Automotive Qualification (target MCU) | — | AEC-Q100 qualified |