ATSAM4S-XSTK vs ATSAMC21N-XPRO Comparison
Detailed side-by-side comparison of ATSAM4S-XSTK by Microchip Technology and ATSAMC21N-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
ATSAM4S-XSTK - SAM4S Xplained Pro ARM Cortex-M4 Starter Kit | Microchip
ATSAM4S-XSTK ✓ ActiveMicrochip Technology
ATSAMC21N-XPRO - SAM C21N Xplained Pro MCU Eval Kit | Microchip
ATSAMC21N-XPRO ✓ ActiveSpecification Comparison
| Parameter | ATSAM4S-XSTK | ATSAMC21N-XPRO |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Development Boards | Development Boards |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $159.80 | $52.75 |
| Product Type | Starter Kit (Evaluation Kit + Extension Boards) | MCU Evaluation Board (Xplained Pro) |
| On-board MCU | ATSAM4SD32C | — |
| Core | ARM Cortex-M4 with FPU and DSP extensions | ARM Cortex-M0+ 32-bit |
| Maximum CPU Frequency | 120 MHz | 48 MHz |
| Flash Memory | 2048 KB (2 MB) | 256 KB |
| SRAM | 160 KB | 32 KB |
| Low-frequency Crystal | 32.768 kHz (0.032768 MHz) | — |
| Operating Voltage Range (MCU) | 1.62 V to 3.6 V | — |
| USB | USB 2.0 Full-Speed Device/Host with on-chip PHY | — |
| ADC | 12-bit, up to 8 channels (per SAM4S family) | — |
| Communication Peripherals | USART x3, UART x2, TWI (I2C) x2, SPI x2, I2S x2, HS USB | 6x SERCOM, CAN-FD, I2C, SPI, UART |
| External Bus Interface | Yes (EBI), plus 16-bit SMC (Static Memory Controller) | — |
| On-board Debugger | EDBG (Embedded Debugger) over USB | — |
| Included Extension Boards | I/O1 Xplained Pro, OLED1 Xplained Pro, PROTO1 Xplained Pro | — |
| Included Cables | 2x USB cables | — |
| Supported IDEs | Microchip Studio, Atmel Studio, GCC ARM toolchain | Microchip Studio, MPLAB X, Atmel Studio 7, Zephyr |
| Software Framework | Atmel Software Framework (ASF) / Harmony | — |
| RoHS Status | Compliant | Compliant |
| Target MCU | — | ATSAMC21N18A |
| Operating Voltage (VDD) | — | 2.7 V to 5.5 V |
| I/O Tolerance | — | 5 V |
| ADC / DAC | — | 12-bit ADC, 12-bit DAC |
| On-board Crypto IC | — | ATECC508A-MAHDA-T (UDFN-8) |
| Main Crystal Frequency | — | 16 MHz |
| RTC Crystal Frequency | — | 32.768 kHz |
| Debug Interface | — | EDBG (USB) + 10-pin Cortex Debug |
| Expansion Headers | — | 2x Xplained Pro 20-pin + 1x 10-pin mikroBUS |
| USB Interface | — | USB Micro-B (power + EDBG + CDC + MSD) |
| Form Factor | — | Xplained Pro (approx. 80 x 60 mm) |