ATSAM4L8-XSTK vs ATSAML21-XPRO-B Comparison
Detailed side-by-side comparison of ATSAM4L8-XSTK by Microchip Technology and ATSAML21-XPRO-B by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAM4L8-XSTK - SAM4L8 Cortex-M4 Eval Starter Kit | Microchip
ATSAM4L8-XSTK ✓ ActiveMicrochip Technology
ATSAML21-XPRO-B - SAM L21 Xplained Pro Evaluation Kit | Microchip
ATSAML21-XPRO-B ✓ ActiveSpecification Comparison
| Parameter | ATSAM4L8-XSTK | ATSAML21-XPRO-B |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Development Boards | Development Boards |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (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 Status | [DATA_NEEDED: RoHS status] | — |
| Operating Supply Voltage | [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 |
| Maximum Clock Frequency | — | 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 |