ATSAM4L8-XSTK vs ATSAML21-XPRO-B 对比
详细并排对比 ATSAM4L8-XSTK 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
ATSAM4L8-XSTK - SAM4L8 Cortex-M4 Eval Starter Kit | Microchip
ATSAM4L8-XSTK ✓ 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 | ATSAM4L8-XSTK | 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） | $151.72 | $101.92 |
| Manufacturer Part Number | ATSAM4L8-XSTK | — |
| Product Type | MCU 32-Bit Embedded Evaluation Board (Starter Kit) | Evaluation / Development Board |
| 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 | — |
| Debug Interface | Embedded debugger (EDBG) with virtual COM port and data gateway | Embedded Debugger (EDBG) over USB |
| Extension Board Standard | Xplained Pro | — |
| Supported IDE | Microchip Studio (Atmel Studio), Atmel START | MPLAB X IDE, Microchip Studio, MPLAB Harmony 3 |
| 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) | — |
| 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 |
| 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 |
| Compliance | — | RoHS |