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