ATSAMD21-XPRO vs ATSAMD20-XPRO 对比
详细并排对比 ATSAMD21-XPRO 出自 Microchip Technology 和 ATSAMD20-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
ATSAMD20-XPRO - SAM D20 Xplained Pro Cortex-M0+ Eval Kit | Microchip
ATSAMD20-XPRO ✓ 量产中规格对比
| 参数 | ATSAMD21-XPRO | ATSAMD20-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 | $70.00 |
| Product Type | Evaluation Board (Xplained Pro) | — |
| Target MCU | ATSAMD21J18A | ATSAMD20J18A |
| Core Processor | ARM Cortex-M0+ 32-bit | — |
| CPU Max Frequency | 48 MHz | — |
| Flash Memory (on-chip) | 256 KB | — |
| SRAM | 32 KB | 32 KiB |
| On-board SPI Flash | 1 MB | — |
| Low-frequency Crystal | 32.768 kHz | — |
| High-frequency Crystal | 12 MHz | — |
| Debug Interface | nEDBG (CMSIS-DAP) on-board | Embedded Atmel EDBG (USB HID) |
| 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) | 3 x Xplained Pro 20-pin |
| 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) | — |
| Manufacturer | — | Microchip Technology |
| Series | — | SAM D20 Xplained Pro |
| Core | — | ARM Cortex-M0+ 32-bit |
| Clock Speed | — | 48 MHz |
| Flash Memory | — | 256 KiB |
| Crystal Oscillator | — | 32.768 kHz |
| Arduino Shield Compatibility | — | Yes, R3 footprint |
| Power Input | — | USB micro-B 5 V |
| Board Form Factor | — | Xplained Pro (approx. 75 x 100 mm) |
| Toolchain Support | — | Microchip Studio / Atmel Studio / MPLAB X IDE / ASF |
| Lead-Free | — | Yes |
| 工作温度 | — | 0C to +60C (commercial eval kit) |