ATSAMG55-XPRO vs ATSAML21-XPRO-B 对比
详细并排对比 ATSAMG55-XPRO 出自 Microchip Technology 和 ATSAML21-XPRO-B 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
ATSAMG55-XPRO - SAM G55 ARM Cortex-M4 Xplained Pro Kit | Microchip
ATSAMG55-XPRO ✓ 量产中Microchip Technology
ATSAML21-XPRO-B - SAM L21 Xplained Pro Evaluation Kit | Microchip
ATSAML21-XPRO-B ✓ 量产中规格对比
| 参数 | ATSAMG55-XPRO | ATSAML21-XPRO-B |
|---|---|---|
| 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） | $40.25 | $101.92 |
| Product Type | Evaluation / Development Kit (Xplained Pro) | Evaluation / Development Board |
| Target MCU | ATSAMG55J19B (SAM G55, ARM Cortex-M4 with FPU) | ATSAML21J18B |
| 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 | — |
| Form Factor | Xplained Pro standard PCB | Xplained Pro |
| 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 | — |
| Series | — | SAM L Xplained Pro |
| 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 |
| Supported IDE | — | MPLAB X IDE, Microchip Studio, MPLAB Harmony 3 |
| Compliance | — | RoHS |