ATSAML21-XPRO-B vs ATSAM4L8-XSTK 对比
详细并排对比 ATSAML21-XPRO-B 出自 Microchip Technology 和 ATSAM4L8-XSTK 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
ATSAM4L8-XSTK - SAM4L8 Cortex-M4 Eval Starter Kit | Microchip
ATSAM4L8-XSTK ✓ 量产中规格对比
| 参数 | ATSAML21-XPRO-B | ATSAM4L8-XSTK |
|---|---|---|
| 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 | $151.72 |
| Product Type | Evaluation / Development Board | MCU 32-Bit Embedded Evaluation Board (Starter Kit) |
| Series | SAM L Xplained Pro | — |
| Target MCU | ATSAML21J18B | — |
| 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 | Embedded debugger (EDBG) with virtual COM port and data gateway |
| 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 | — |
| Supported IDE | MPLAB X IDE, Microchip Studio, MPLAB Harmony 3 | Microchip Studio (Atmel Studio), Atmel START |
| Compliance | RoHS | — |
| Manufacturer Part Number | — | ATSAM4L8-XSTK |
| Target MCU Family | — | SAM4L (ATSAM4LC8) |
| Core Processor | — | ARM Cortex-M4, 32-bit |
| Kit Contents | — | SAM4L8 Xplained Pro board + SLCD1, I/O1, OLED1, PROTO1 Xplained Pro extension kits |
| Extension Board Standard | — | Xplained Pro |
| Display Peripherals | — | Segment LCD (SLCD1), OLED display (OLED1) |
| Touch Support | — | QTouch capacitive touch via I/O1 Xplained Pro |
| Prototyping Area | — | PROTO1 Xplained Pro extension board |
| Packaging | — | Box |
| Product Status | — | Active |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |
| 工作电源电压 | — | [DATA_NEEDED: operating supply voltage] |
| Distributor Availability | — | In stock at multiple distributors (6095 pcs reported, Feb 2026) |