ATSAMG55-XPRO vs ATSAML21-XPRO Comparison
Detailed side-by-side comparison of ATSAMG55-XPRO by Microchip Technology and ATSAML21-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
ATSAMG55-XPRO - SAM G55 ARM Cortex-M4 Xplained Pro Kit | Microchip
ATSAMG55-XPRO ✓ ActiveMicrochip Technology
ATSAML21-XPRO - SAM L21 Xplained Pro Cortex-M0+ Eval Kit
ATSAML21-XPRO ✓ ActiveSpecification Comparison
| Parameter | ATSAMG55-XPRO | ATSAML21-XPRO |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Development Boards | Development Boards |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $40.25 | $66.75 |
| Product Type | Evaluation / Development Kit (Xplained Pro) | Evaluation Kit / Development Board |
| Target MCU | ATSAMG55J19B (SAM G55, ARM Cortex-M4 with FPU) | ATSAML21J18A (SAM L21 family) |
| Core Architecture | ARM 32-bit Cortex-M4 with single-precision FPU and DSP extensions | — |
| Maximum CPU Clock | 120 MHz | — |
| Low-frequency Crystal | 32.768 kHz | 32.768 kHz |
| Supported OS (IDE) | Windows 7 / Windows XP (Atmel Studio / Microchip Studio) | — |
| On-board Debugger | EDBG (USB interface, programming + debug) | — |
| Extension Headers | 2x Xplained Pro extension headers + mikroBUS socket | — |
| User Interface | Mechanical buttons, user LEDs | 1x mechanical reset button, 1x user button, 2x user LEDs, QTouch button |
| Power Input | USB (powered via EDBG) and external connector | USB micro-B or external header |
| Form Factor | Xplained Pro standard PCB | — |
| Mounting Type | Through-hole male header pins (extension), surface-mount PCB | — |
| RoHS Status | Compliant (per Microchip product page) | Compliant |
| Family | SAM G55 Xplained Pro | — |
| Toolchain Support | Microchip Studio / Atmel Studio, ASF, GCC ARM | — |
| CPU Core | — | ARM Cortex-M0+ 32-bit |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark Performance | — | 2.46 CoreMark/MHz |
| On-chip Flash | — | 256 KB |
| On-chip SRAM | — | 32 KB |
| Active Mode Current | — | < 35 µA/MHz |
| Sleep Mode Current | — | 200 nA |
| Embedded Debugger | — | EDBG (USB drag-and-drop, CMSIS-DAP, virtual COM, DGI) |
| Extension Connectors | — | 3x Xplained Pro 20-pin headers |
| Supported IDEs | — | Microchip Studio, MPLAB X IDE, MPLAB Harmony, Zephyr RTOS |
| Package | — | Xplained Pro PCB (158 x 100 mm class) |