ATSAML21-XPRO-B vs ATSAMG55-XPRO Comparison
Detailed side-by-side comparison of ATSAML21-XPRO-B by Microchip Technology and ATSAMG55-XPRO 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
ATSAMG55-XPRO - SAM G55 ARM Cortex-M4 Xplained Pro Kit | Microchip
ATSAMG55-XPRO β ActiveSpecification Comparison
| Parameter | ATSAML21-XPRO-B | ATSAMG55-XPRO |
|---|---|---|
| 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 | $40.25 |
| Product Type | Evaluation / Development Board | Evaluation / Development Kit (Xplained Pro) |
| Series | SAM L Xplained Pro | β |
| Target MCU | ATSAML21J18B | ATSAMG55J19B (SAM G55, ARM Cortex-M4 with FPU) |
| 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 | β |
| 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 | Xplained Pro standard PCB |
| Supported IDE | MPLAB X IDE, Microchip Studio, MPLAB Harmony 3 | β |
| Compliance | RoHS | β |
| Core Architecture | β | ARM 32-bit Cortex-M4 with single-precision FPU and DSP extensions |
| Maximum CPU Clock | β | 120 MHz |
| Low-frequency Crystal | β | 32.768 kHz |
| Supported OS (IDE) | β | Windows 7 / Windows XP (Atmel Studio / Microchip Studio) |
| On-board Debugger | β | EDBG (USB interface, programming + debug) |
| Extension Headers | β | 2x Xplained Pro extension headers + mikroBUS socket |
| User Interface | β | Mechanical buttons, user LEDs |
| Power Input | β | USB (powered via EDBG) and external connector |
| Mounting Type | β | Through-hole male header pins (extension), surface-mount PCB |
| RoHS Status | β | Compliant (per Microchip product page) |
| Family | β | SAM G55 Xplained Pro |
| Toolchain Support | β | Microchip Studio / Atmel Studio, ASF, GCC ARM |