ATSAML21-XPRO-B vs ATSAM4L8-XSTK Comparison
Detailed side-by-side comparison of ATSAML21-XPRO-B by Microchip Technology and ATSAM4L8-XSTK 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
ATSAML21-XPRO-B - SAM L21 Xplained Pro Evaluation Kit | Microchip
ATSAML21-XPRO-B β ActiveMicrochip Technology
ATSAM4L8-XSTK - SAM4L8 Cortex-M4 Eval Starter Kit | Microchip
ATSAM4L8-XSTK β ActiveSpecification Comparison
| Parameter | ATSAML21-XPRO-B | ATSAM4L8-XSTK |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Development Boards | Development Boards |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $101.92 | $151.72 |
| Product Type | Evaluation / Development Board | MCU 32-Bit Embedded Evaluation Board (Starter Kit) |
| Series | SAM L Xplained Pro | β |
| Target MCU | ATSAML21J18B | β |
| MCU Core | ARM Cortex-M0+ 32-bit | β |
| Maximum Clock Frequency | 48 MHz | β |
| CoreMark/MHz | 2.46 | β |
| Flash Memory (on-board MCU) | 256 KB | β |
| SRAM (on-board MCU) | 32 KB | β |
| Operating Voltage | 3.3 V | β |
| Debug Interface | Embedded Debugger (EDBG) over USB | Embedded debugger (EDBG) with virtual COM port and data gateway |
| Expansion Interface | 3x Xplained Pro extension headers | β |
| Crystal | 32.768 kHz RTC crystal (on-board) | β |
| Connectivity | USB Micro-B, 3 Xplained Pro headers | β |
| Form Factor | Xplained Pro | β |
| Supported IDE | MPLAB X IDE, Microchip Studio, MPLAB Harmony 3 | Microchip Studio (Atmel Studio), Atmel START |
| Compliance | RoHS | β |
| Manufacturer Part Number | β | ATSAM4L8-XSTK |
| Target MCU Family | β | SAM4L (ATSAM4LC8) |
| Core Processor | β | ARM Cortex-M4, 32-bit |
| Kit Contents | β | SAM4L8 Xplained Pro board + SLCD1, I/O1, OLED1, PROTO1 Xplained Pro extension kits |
| Extension Board Standard | β | Xplained Pro |
| Display Peripherals | β | Segment LCD (SLCD1), OLED display (OLED1) |
| Touch Support | β | QTouch capacitive touch via I/O1 Xplained Pro |
| Prototyping Area | β | PROTO1 Xplained Pro extension board |
| Packaging | β | Box |
| Product Status | β | Active |
| RoHS Status | β | [DATA_NEEDED: RoHS status] |
| Operating Supply Voltage | β | [DATA_NEEDED: operating supply voltage] |
| Distributor Availability | β | In stock at multiple distributors (6095 pcs reported, Feb 2026) |