ATSAMD20-XPRO vs ATSAMD21-XPRO 对比
详细并排对比 ATSAMD20-XPRO 出自 Microchip Technology 和 ATSAMD21-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
ATSAMD20-XPRO - SAM D20 Xplained Pro Cortex-M0+ Eval Kit | Microchip
ATSAMD20-XPRO ✓ 量产中Microchip Technology
ATSAMD21-XPRO - SAM D21 Xplained Pro ARM Cortex-M0+ Eval Board
ATSAMD21-XPRO ✓ 量产中规格对比
| 参数 | ATSAMD20-XPRO | ATSAMD21-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） | $70.00 | $36.25 |
| Manufacturer | Microchip Technology | — |
| Series | SAM D20 Xplained Pro | — |
| Target MCU | ATSAMD20J18A | ATSAMD21J18A |
| Core | ARM Cortex-M0+ 32-bit | — |
| Clock Speed | 48 MHz | — |
| Flash Memory | 256 KiB | — |
| SRAM | 32 KiB | 32 KB |
| Crystal Oscillator | 32.768 kHz | — |
| Debug Interface | Embedded Atmel EDBG (USB HID) | nEDBG (CMSIS-DAP) on-board |
| Extension Headers | 3 x Xplained Pro 20-pin | 3x 20-pin Xplained Pro (compatible with I/O1, OLED1, QT1, PROTO1) |
| 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 | — |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free | Yes | — |
| 工作温度 | 0C to +60C (commercial eval kit) | — |
| Product Type | — | Evaluation Board (Xplained Pro) |
| Core Processor | — | ARM Cortex-M0+ 32-bit |
| CPU Max Frequency | — | 48 MHz |
| Flash Memory (on-chip) | — | 256 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) |