ATSAML21-XPRO vs ATSAMG55-XPRO 对比
详细并排对比 ATSAML21-XPRO 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
ATSAMG55-XPRO - SAM G55 ARM Cortex-M4 Xplained Pro Kit | Microchip
ATSAMG55-XPRO ✓ 量产中规格对比
| 参数 | ATSAML21-XPRO | 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） | $66.75 | $40.25 |
| Product Type | Evaluation Kit / Development Board | Evaluation / Development Kit (Xplained Pro) |
| Target MCU | ATSAML21J18A (SAM L21 family) | ATSAMG55J19B (SAM G55, ARM Cortex-M4 with FPU) |
| CPU Core | ARM Cortex-M0+ 32-bit | — |
| Maximum CPU Frequency | 48 MHz | — |
| CoreMark Performance | 2.46 CoreMark/MHz | — |
| On-chip Flash | 256 KB | — |
| On-chip SRAM | 32 KB | — |
| Low-frequency Crystal | 32.768 kHz | 32.768 kHz |
| Active Mode Current | < 35 µA/MHz | — |
| Sleep Mode Current | 200 nA | — |
| Embedded Debugger | EDBG (USB drag-and-drop, CMSIS-DAP, virtual COM, DGI) | — |
| Extension Connectors | 3x Xplained Pro 20-pin headers | — |
| User Interface | 1x mechanical reset button, 1x user button, 2x user LEDs, QTouch button | Mechanical buttons, user LEDs |
| Power Input | USB micro-B or external header | USB (powered via EDBG) and external connector |
| Supported IDEs | Microchip Studio, MPLAB X IDE, MPLAB Harmony, Zephyr RTOS | — |
| 封装 | Xplained Pro PCB (158 x 100 mm class) | — |
| RoHS 状态 | Compliant | Compliant (per Microchip product page) |
| Core Architecture | — | ARM 32-bit Cortex-M4 with single-precision FPU and DSP extensions |
| Maximum CPU Clock | — | 120 MHz |
| 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 |
| Form Factor | — | Xplained Pro standard PCB |
| 安装类型 | — | Through-hole male header pins (extension), surface-mount PCB |
| Family | — | SAM G55 Xplained Pro |
| Toolchain Support | — | Microchip Studio / Atmel Studio, ASF, GCC ARM |