ATSAML21-XPRO-B vs ATSAMG55-XPRO 对比
详细并排对比 ATSAML21-XPRO-B 出自 Microchip Technology 和 ATSAMG55-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
ATSAML21-XPRO-B - SAM L21 Xplained Pro Evaluation Kit | Microchip
ATSAML21-XPRO-B ✓ 量产中Microchip Technology
ATSAMG55-XPRO - SAM G55 ARM Cortex-M4 Xplained Pro Kit | Microchip
ATSAMG55-XPRO ✓ 量产中规格对比
| 参数 | ATSAML21-XPRO-B | ATSAMG55-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） | $101.92 | $40.25 |
| Product Type | Evaluation / Development Board | Evaluation / Development Kit (Xplained Pro) |
| Series | SAM L Xplained Pro | — |
| Target MCU | ATSAML21J18B | ATSAMG55J19B (SAM G55, ARM Cortex-M4 with FPU) |
| MCU Core | ARM Cortex-M0+ 32-bit | — |
| 最大时钟频率 | 48 MHz | — |
| CoreMark/MHz | 2.46 | — |
| Flash Memory (on-board MCU) | 256 KB | — |
| SRAM (on-board MCU) | 32 KB | — |
| Operating Voltage | 3.3 V | — |
| Debug Interface | Embedded Debugger (EDBG) over USB | — |
| Expansion Interface | 3x Xplained Pro extension headers | — |
| Crystal | 32.768 kHz RTC crystal (on-board) | — |
| Connectivity | USB Micro-B, 3 Xplained Pro headers | — |
| Form Factor | Xplained Pro | Xplained Pro standard PCB |
| Supported IDE | MPLAB X IDE, Microchip Studio, MPLAB Harmony 3 | — |
| Compliance | RoHS | — |
| Core Architecture | — | ARM 32-bit Cortex-M4 with single-precision FPU and DSP extensions |
| Maximum CPU Clock | — | 120 MHz |
| Low-frequency Crystal | — | 32.768 kHz |
| Supported OS (IDE) | — | Windows 7 / Windows XP (Atmel Studio / Microchip Studio) |
| On-board Debugger | — | EDBG (USB interface, programming + debug) |
| Extension Headers | — | 2x Xplained Pro extension headers + mikroBUS socket |
| User Interface | — | Mechanical buttons, user LEDs |
| Power Input | — | USB (powered via EDBG) and external connector |
| 安装类型 | — | Through-hole male header pins (extension), surface-mount PCB |
| RoHS 状态 | — | Compliant (per Microchip product page) |
| Family | — | SAM G55 Xplained Pro |
| Toolchain Support | — | Microchip Studio / Atmel Studio, ASF, GCC ARM |