ATSAMR21-XPRO vs ATSAMR21ZLL-EK 对比
详细并排对比 ATSAMR21-XPRO 出自 Microchip Technology 和 ATSAMR21ZLL-EK 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
ATSAMR21-XPRO - ATSAMR21G18A 802.15.4 2.4GHz Eval Kit | Microchip
ATSAMR21-XPRO ✓ 量产中Microchip Technology
ATSAMR21ZLL-EK - SAM R21 802.15.4 2.4GHz Eval Kit | Microchip
ATSAMR21ZLL-EK ✓ 量产中规格对比
| 参数 | ATSAMR21-XPRO | ATSAMR21ZLL-EK |
|---|---|---|
| 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） | $66.00 | $100.76 |
| Product Type | Evaluation Kit / Development Board | Evaluation Kit / Development Board (Xplained Pro) |
| On-board MCU | ATSAMR21G18A | — |
| Core Architecture | ARM Cortex-M0+ 32-bit | 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 | — |
| Debug Interface | On-board EDBG (USB to SWD + VCOM + DGI) | On-board Embedded Debugger (EDBG) over USB |
| Host Interface | USB Micro-B | — |
| Form Factor | Xplained Pro (compatible with Xplained Pro extensions) | — |
| Supported Software | Atmel Studio, Microchip Studio, ASF, BitCloud Zigbee PRO, IEEE 802.15.4 MAC | — |
| RoHS 状态 | Compliant | Compliant (per Microchip product page) |
| Lead-Free | Yes | — |
| Target Device | — | ATSAMR21G18A |
| CPU Clock Speed | — | Up to 48 MHz |
| Wireless Protocol | — | IEEE 802.15.4 / ZigBee PRO / ZigBee Green Power |
| Radio Frequency Band | — | 2.4 GHz (2.4 – 2.4835 GHz ISM) |
| On-board Flash | — | 256 KB |
| On-board SRAM | — | 32 KB |
| On-board Transceiver | — | Integrated 2.4 GHz 802.15.4 |
| Antenna Connector | — | SMA footprint (chip antenna on board) |
| Expansion Headers | — | Arduino R3-compatible, mikroBUS |
| Power Supply | — | USB-powered (micro-USB / USB) |
| Operating System Support | — | Windows 7 32/64-bit, Windows XP 32/64-bit |
| IDE Support | — | Atmel Studio / Microchip Studio |
| On-board Indicators | — | RGB PLCC4 LED (PWM-driven, current-sink) |