ATSAMD21-XPRO vs ATSAMR21-XPRO 对比
详细并排对比 ATSAMD21-XPRO 出自 Microchip Technology 和 ATSAMR21-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
ATSAMR21-XPRO - ATSAMR21G18A 802.15.4 2.4GHz Eval Kit | Microchip
ATSAMR21-XPRO ✓ 量产中规格对比
| 参数 | ATSAMD21-XPRO | ATSAMR21-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 | $66.00 |
| Product Type | Evaluation Board (Xplained Pro) | Evaluation Kit / Development Board |
| Target MCU | ATSAMD21J18A | — |
| Core Processor | 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 | On-board EDBG (USB to SWD + VCOM + DGI) |
| 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) | Xplained Pro (compatible with Xplained Pro extensions) |
| On-board MCU | — | ATSAMR21G18A |
| Core Architecture | — | ARM Cortex-M0+ 32-bit |
| Operating Frequency | — | Up to 48 MHz |
| Program Memory | — | 256 KB Flash |
| RAM | — | 32 KB SRAM |
| RF Frequency Band | — | 2.4 GHz ISM |
| RF Standard | — | IEEE 802.15.4 / Zigbee / 6LoWPAN |
| Modulation | — | O-QPSK (per IEEE 802.15.4 PHY) |
| RF Link Budget | — | 103 dB |
| MCU Package | — | 64-pin QFN |
| On-board Antenna | — | Integrated 2.4 GHz ceramic chip antenna |
| Host Interface | — | USB Micro-B |
| Supported Software | — | Atmel Studio, Microchip Studio, ASF, BitCloud Zigbee PRO, IEEE 802.15.4 MAC |
| Lead-Free | — | Yes |