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ATSAM4S-XSTK - SAM4S Xplained Pro ARM Cortex-M4 Starter Kit | Microchip
The Microchip ATSAM4S-XSTK is a SAM4S Xplained Pro Starter Kit built around the ATSAM4SD32C ARM Cortex-M4 microcontroller, providing engineers a complete out-of-the-box evaluation platform. The kit ships with the ATSAM4S-XPRO evaluation board plus three extension boards (I/O1 Xplained Pro, OLED1 Xplained Pro, and PROTO1 Xplained Pro), two USB cables, and full Atmel Studio integration. The on-board SAM4SD32C MCU runs at up to 120 MHz with 2 MB of Flash and 160 KB of SRAM, with a multi-layer bus matrix, multi-channel DMA, and Flash read accelerator for high data-rate communication. A development kit (or evaluation board / starter kit) is a populated PCB that exposes every peripheral of a target MCU so firmware engineers can validate software, benchmark peripherals, and prototype end products without spinning a custom board. Within Microchip's portfolio, evaluation kits sit beneath complete development kits: the bare ATSAM4S-XPRO contains only the main board, while the ATSAM4S-XSTK bundles extension boards into a ready-to-run package. This hierarchy (evaluation board -> starter kit -> reference design -> production PCB) helps engineers select the right starting point for each project phase. Key features of the on-board SAM4SD32C include the Cortex-M4 core with single-precision FPU, DSP extensions, a full-speed USB 2.0 device/host with on-chip PHY, up to 8-channel 12-bit ADC, two I2S interfaces, three USARTs, two UARTs, two TWIs (I2C), two SPIs, an external bus interface, and a 16-bit static memory controller. The device operates from 1.62 V to 3.6 V and includes a 32 kHz crystal (0.032768 MHz) for low-power RTC operation. The board exposes the standard Xplained Pro extension headers and the DEBUG USB / Data Gateway USB ports. The SAM4S architecture uses a multi-layer AHB bus matrix with independent SRAM banks and a peripheral DMA controller, enabling deterministic parallel access between CPU, bus masters, and high-speed peripherals (USB, EMAC). This contrasts with simpler Cortex-M0/M0+ designs that share a single bus, making the SAM4S better suited for applications juggling USB traffic plus motor control or audio streams simultaneously. Typical applications include USB peripherals (HID, CDC, mass storage, audio), industrial motor control (BLDC, stepper), smart energy metering, HVAC control panels, building automation, point-of-sale terminals, and medical low-end instruments. The OLED1 extension board lets users immediately demonstrate graphics while the PROTO1 area provides prototyping space for custom circuitry. Audio codec examples from the Atmel Software Framework demonstrate the I2S peripheral and DMA-driven streaming. When bringing up a SAM4S design, program and debug through the on-board Embedded Debugger (EDBG) over the DEBUG USB port; no external programmer is required. The free Atmel Studio / Microchip Studio IDE, ASF (Atmel Software Framework), and a GCC toolchain all support the kit directly. For production migration, pin-compatible SAM4S family variants (SAM4S16, SAM4S8, SAM4S4) are available in LQFP and QFN packages. This page synthesizes distributor pricing, equivalent development kits, and practical bring-up guidance not consolidated on the manufacturer product page, helping engineers quickly decide whether the ATSAM4S-XSTK is the right starting point for their Cortex-M4 design.
ATSAMA5D2-XULT - SAMA5D2 Xplained Ultra Cortex-A5 MPU Eval Kit | Microchip
The Microchip Technology ATSAMA5D2-XULT is a SAMA5D2 Xplained Ultra fast-prototyping and evaluation platform built around the SAMA5D27 ARM Cortex-A5 microprocessor, packaged as a complete boxed development kit. The on-board SAMA5D27 MPU integrates a single ARM Cortex-A5 core running up to 500 MHz, an ARM NEON SIMD engine, and 128 MB of DDR3 SDRAM paired with a 4 GB eMMC flash device for mass storage. Expansion headers expose the MPU's rich connectivity peripherals, while on-board headers bring out the Class-D amplifier interface, image-sensor interface, and multiple connectivity buses to user expansion boards. An evaluation board (also called a development kit or evaluation kit) is a fully assembled reference PCB that pairs a target microprocessor, microcontroller, or SoC with the support components (memory, power, clock, connectors) needed to bring the device up out of the box. The kit typically includes on-board debug, expansion headers, and example firmware so that firmware engineers can begin code bring-up within minutes rather than spend weeks on base-board design. The SAMA5D2 Xplained Ultra board is the recommended starting point for engineers evaluating the SAMA5D2 family for human-machine interface (HMI), connected-edge, secure-payment, and low-power industrial applications. The board includes a high-speed USB device/host port, a Gigabit Ethernet interface, an LCD connector, audio codec and Class-D amplifier outputs, and mikroBUS / XPRO / Xplained-extension headers for stacking compatible click boards and extension modules. The kit is supported by Microchip's MPLAB Harmony 3 and the mainline Linux distribution distributed through Buildroot and the Microchip linux4sam GitHub. The on-board SAMA5D27 SoC integrates advanced security features such as secure boot, hardware cryptography, and tamper detection, making the board well suited for prototyping secure IoT gateways and edge devices. Typical applications include HMI prototypes with LVDS or RGB LCD displays, secure-connected gateways, building automation controllers, low-power industrial control, and edge-node IoT products. When designing a custom baseboard, engineers reuse the SAMA5D2-XULT schematic as a reference and migrate to a production-grade ATSAMA5D27C-D1G-CU or ATSAMA5D28C-D1G-CU when cost-down is required.
ATSAMA5D27-SOM1-EK1 - SAMA5D27 ARM Cortex-A5 500MHz Eval Kit
The Microchip Technology ATSAMA5D27-SOM1-EK1 is a fast prototyping and evaluation platform built around the ATSAMA5D27-SOM1 System On Module, which embeds the ATSAMA5D27C-D1G-CU System-in-Package integrating a 32-bit ARM Cortex-A5 MPU core and 1-Gbit (128 MB) DDR2 SDRAM in a single BGA package. The kit comprises the baseboard with the ATSAMA5D27-SOM1 module soldered on, exposing the full peripheral set of the SAMA5D2 SiP family, including 1-Gbit DDR2, 64-Mbit NOR Flash, and 1-Kbit EEPROM for fast Linux and RTOS bring-up at a 500 MHz core clock. The ATSAMA5D27-SOM1-EK1 is designed for evaluation of both the SAMA5D2 SIP and the SOM1 form factor, supported by Microchip's mainline Linux distribution, Buildroot, and Yocto BSPs. An evaluation kit (EK) is a printed-circuit-board hardware development platform that integrates the target SoC/SiP with power, memory, debug, and standard I/O headers so engineers can validate firmware and applications before designing a custom carrier. The ATSAMA5D27-SOM1-EK1 sits at the top of the SAMA5D2 evaluation hierarchy above discrete SAMA5D2 Xplained boards, providing the lowest-effort path to running embedded Linux on a Cortex-A5 with hardware-floating-point and rich connectivity. Key features of the baseboard include an on-board debugger, multiple mikroBUS sockets, an LCD/touch connector, USB device and host ports, Ethernet (GMII/RGMII expansion), CAN, two SD card slots, JTAG/SWD, audio codec interface, and expansion headers that map nearly every SAMA5D2 signal to a 0.1-inch header. The integrated Power Management IC and secure-element footprints on the ATSAMA5D27-SOM1 module simplify power-tree design and security key storage for IoT edge nodes. The SAMA5D27 SiP architecture pairs the Cortex-A5 core with a peripheral set including 12-bit ADC, hardware crypto accelerators (AES, SHA, TRNG), and a 24-bit peripheral-touch controller, allowing the same evaluation kit to be reused across HMI, connectivity gateway, and secure-credential prototypes. The DDR2 interface is fully validated at 500 MHz, removing the timing and signal-integrity work normally needed for production designs. Typical applications include industrial HMI panels, smart-home gateways, edge IoT sensors with secure boot, Linux-based point-of-sale terminals, and connected-utility metering. Designers also reuse the kit as a low-volume ODM reference for products based on the ATSAMA5D27 SiP. A single design consideration dominates: when migrating to production, swap the kit's baseboard for a custom carrier that hosts the ATSAMA5D27-SOM1 module directly - the pinout is documented in the SOM1 datasheet. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
ATSAMA5D2B-XULT - SAMA5D2 Xplained Ultra Kit | Microchip
The Microchip ATSAMA5D2B-XULT is a full-featured Xplained Ultra evaluation kit for the Atmel SAMA5D2 series of ARM-based microprocessors (MPUs). Built around the SAMA5D27B system-in-package in a 289-ball BGA, the kit integrates an Ethernet physical-layer transceiver, 4-bit SD/MMC interface, host USB, and expansion headers to evaluate MPU peripherals quickly. The SAMA5D27B SiP integrates the ARM Cortex-A5 core running up to 500 MHz with 128 MB DDR2 and a QSPI NOR flash. An ARM Cortex-A5 MPU is a 32-bit microprocessor IP core targeting industrial IoT gateways, human-machine interfaces, and connected devices. The Cortex-A5 family sits between the Cortex-M microcontroller class and Cortex-A application processors, offering full application-class Linux capability with a smaller die area and lower power than Cortex-A7/A9 parts. Within the MPU hierarchy, SAMA5D2 belongs to Microchip's Cortex-A5 lineup alongside SAMA5D3 (Cortex-A5) and SAMA5D4 (Cortex-A5), and is one generation below the Cortex-A5 SAMA7 family. The SAMA5D2 family targets secure, low-power connected edge nodes with hardware cryptography and advanced audio/display connectivity. Key features include the SAMA5D27B Cortex-A5 MPU at 500 MHz with hardware AES/SHA/TRNG, 128 MB on-package DDR2, integrated 10/100 Ethernet MAC with on-board PHY, USB 2.0 host and device ports, microSD socket, 4-bit SD/MMC interface, MikroElektronika mikroBUS socket, Arduino R3-compatible headers, Xplained Pro extension headers, two CAN-FD interfaces, and a 24-bit TFT LCD connector. The kit ships pre-flashed with Linux demonstration images from Microchip. The SAMA5D2 architecture combines a single-issue Cortex-A5 with NEON media engine, a 32 KB L1 instruction cache, 32 KB L1 data cache, and a 128 KB L2 cache. The advanced peripherals include a 12-bit ADC, two CAN-FD controllers, three SD/MMC controllers, and an LCD controller supporting up to 1024 x 768 resolution. The on-package DDR2 reduces board complexity versus discrete DRAM designs. Typical applications include industrial IoT gateways, human-machine interface (HMI) prototypes, secure connected sensors, Linux-based edge nodes, audio playback/recording systems, and CAN-FD automotive test benches. The kit is also widely used as a hardware reference design for SAMA5D2 layout, power sequencing, and EMI practices. When designing with this kit, populate only the interfaces required for evaluation to minimize noise coupling into the ADC and CAN-FD buses. Use the on-board 24-pin Xplained Pro extension header to add Wi-Fi modules, sensors, or display boards from the Microchip Xplained Pro family. The SAMA5D27B SiP is footprint-compatible with other SAMA5D2 SoCs, enabling straightforward migration between SAMA5D21, SAMA5D22, SAMA5D23, SAMA5D24, SAMA5D26, and SAMA5D27 derivatives. This page synthesizes distributor pricing, drop-in alternative boards, and practical Xplained Ultra evaluation guidance not found on a single distributor product page.
ATSAMA5D2C-XULT - SAMA5D2 Xplained Ultra ARM Cortex-A5 MPU Evaluation Kit | Microchip
The Microchip ATSAMA5D2C-XULT is the SAMA5D2 Xplained Ultra evaluation kit, a fast prototyping and evaluation platform built around the Microchip SAMA5D2 ARM Cortex-A5 microprocessor unit (MPU). It delivers up to 500 MHz of CPU performance, integrates on-board DDR2 memory, and exposes a wide range of peripherals through Arduino-compatible, RPi-compatible and standard MikroElektronika Click headers. An ARM Cortex-A5 MPU is a 32-bit application-class processor core from the Arm Cortex-A family, designed to run a rich operating system such as Linux while still meeting the power and real-time constraints typical of embedded products. The SAMA5D2 MPU sits in the MPU tier of the system hierarchy, between Cortex-M microcontrollers and high-end Cortex-A application processors, and is widely deployed in industrial HMI, gateway, and connected-device applications. The Xplained Ultra kit is the reference design and evaluation vehicle for that silicon, allowing engineers to validate peripherals, boot media, and software stacks before committing to a custom PCB. Key features include the ATSAMA5D2C MPU itself running up to 500 MHz, 1 Gbit (128 MB) of on-board DDR2 SDRAM, 256 Mbit (32 MB) of QSPI flash, a 10/100 Mbit Ethernet PHY with RJ45 connector, two USB 2.0 High-Speed host/device ports, one microSD secure digital card slot, a 4.3-inch parallel LCD interface, audio codec line in/out, two CAN-FD interfaces, and on-board debugging via the embedded J-Link OB. The board accepts power from the DEBUG USB port or from an external 5 V supply through the barrel jack. Typical applications include Linux-based industrial HMI prototypes, IoT edge gateways, secure connected-device designs leveraging SAMA5D2's secure boot and crypto accelerators, point-of-sale and medical user-interface development, and home/building automation. The included SAMA5D2 Linux distribution and Atmel Studio / MPLAB X IDE integration shorten bring-up. When designing with this kit, use the schematics in the SAMA5D2C-XULT User's Guide as the reference layout for any custom carrier board. Pay particular attention to DDR2 signal integrity, the QSPI flash boot configuration, and the secure-boot eFuse settings when moving from prototype to production.
ATSAMA5D3-XPLD - SAMA5D3 Cortex-A5 MPU Evaluation Kit | Microchip
The Microchip Technology ATSAMA5D3-XPLD is a fast-prototyping, low-cost evaluation board built around the Atmel SAMA5D3 ARM Cortex-A5 microprocessor unit (MPU), providing an out-of-the-box platform for embedded Linux and bare-metal development. According to the Atmel/Microchip SAMA5D3 Xplained user guide, the board integrates a SAMA5D36 Cortex-A5 MPU clocked up to 536 MHz, 128 KB of on-chip SRAM, DDR2/LPDDR/LPDDR2 memory interface, NAND Flash, Ethernet, HDMI output, USB, and expansion headers for rapid custom hardware bring-up. An embedded evaluation board is a populated PCB that exposes the pins, peripherals, and reference circuitry of a target microprocessor or microcontroller so that firmware engineers can validate system-level behavior, benchmark peripherals, and prototype end-product designs before committing to a custom PCB layout. The ATSAMA5D3-XPLD belongs to Microchip's Xplained family of evaluation kits, which sit in the broader product hierarchy: evaluation kit → development platform → prototyping hardware → embedded engineering toolchain, all designed to shorten time-to-prototype for ARM-based microprocessor designs. Key features of the SAMA5D3 Xplained kit include the ATSAMA5D36 MPU with hardware floating-point unit, dual Ethernet GMACs, dual CAN controllers, an LCD/HDMI graphics output, high-speed USB 2.0 device and host ports, SD card interface, audio codec input/output, JTAG and serial debug, and Arduino R3-compatible + Xplained extension headers. The kit ships with a Linux image based on Linux Mainline plus Yocto Project support, and Atmel provides a complete bare-metal C software package with sample code for users who prefer not to use an operating system. Typical applications include industrial HMI prototyping, IoT gateway evaluation, Linux kernel bring-up on ARM Cortex-A5, secure-boot and TrustZone demonstration, low-power fanless embedded appliances, and proof-of-concept builds where HDMI graphics, dual Ethernet, and CAN connectivity are required. The board's peripherals mirror many industrial SBC requirements, so it is often used as a software-evaluation platform even when the production hardware is a custom design. When ordering, engineers should verify the variant because the Xplained kit uses the SAMA5D36 die. The board is supplied with a micro-AB to Type-A USB cable for power and debug; users supply their own USB-to-serial or external JTAG probe only if they want to bypass the on-board debugger. This page synthesizes distributor pricing, key pin/feature data from the manufacturer user guide, and practical design considerations not found in the datasheet alone.
ATSAMA5D31-EK - SAMA5D31 ARM Cortex-A5 Evaluation Kit | Microchip
The Microchip Technology ATSAMA5D31-EK is a full-featured evaluation kit (EVK) for the Atmel SAMA5D31 ARM Cortex-A5 embedded microprocessor unit (eMPU), which operates up to 536 MHz with 32 KB each of L1 instruction and data cache, 128 KB of internal SRAM, and an integrated hardware floating-point unit. The kit combines a main baseboard with a detachable SAMA5D3 computer-on-module (COM) and ships with free-of-charge Linux support, providing fast prototyping for industrial, consumer, and human-machine-interface (HMI) designs. The MPU integrates a 24-bit LCD controller, EMAC, USB, CAN, and SD/MMC interfaces on-chip, eliminating the need for external media controllers. An ARM Cortex-A5 based microprocessor unit (MPU) is a high-performance 32-bit application processor that executes a full operating system (typically Linux) with memory management, in contrast to a microcontroller (MCU) which typically runs a bare-metal or RTOS workload. The SAMA5D3 family sits at the top of Microchip's Cortex-A5 portfolio, above Cortex-M4 microcontrollers, offering DMIPS-class performance with sub-mW low-power modes, making it suited for battery-powered graphical terminals as well as line-powered HMI panels. Key features of the target SAMA5D31 silicon (datasheet Doc ID 11224c) include the ARM Cortex-A5 core at 536 MHz, hardware floating-point unit, 32 KB L1 cache per way, 128 KB SRAM, 16-bit DDR2/LPDDR/LPDDR2 controller, 24-bit LCD controller up to 1024x768, 10/100 EMAC with IEEE 1588, two high-speed USB 2.0 hosts plus one USB device, two HSIC ports, two CAN-FD, three SSC/I2S, two SPI, two TWI (I2C), a 12-bit ADC, and a hardware crypto accelerator supporting AES, SHA, and TRNG. The evaluation kit exposes all these through headers, the on-module DDR2 memory, NAND/eMMC footprint, audio codec, Ethernet PHY, and capacitive-touch daughter-board connectors. Typical applications for the ATSAMA5D31-EK include industrial HMI panels, smart-home gateways, point-of-sale terminals, medical patient-monitors, building-automation controllers, low-cost Linux thin clients, and graphical IoT edge nodes. Engineers use the kit to evaluate Linux bring-up, validate LCD + touch + Ethernet throughput, prototype CAN-FD automotive-cluster nodes, and benchmark power modes before committing to a custom PCB design. When using this EVK, ensure the supplied 5 V adapter is used; higher voltage can damage the on-module regulators. For production migration, footprint-compatible SOM carriers such as the ATSAMA5D2-XULT or ATSAMA5D2B-XULT share pin assignments but use a different SoC variant. Pin-compatibility therefore requires SoC-level matching, not just board-mechanical matching.
ATSAMA5D33-EK - SAMA5D33 ARM Cortex-A5 MPU Evaluation Kit | Microchip
The Microchip ATSAMA5D33-EK is a full-featured evaluation platform built around the Atmel/Microchip SAMA5D33 ARM Cortex-A5 embedded microprocessor, designed for evaluation of the SAMA5D33 MPU plus its full peripheral set. The board exposes DDR2/LPDDR memory interfaces, NAND/NOR flash, Ethernet, USB host/device, LCD, audio, SD/MMC, and image-sensor interfaces for rapid prototyping of industrial HMI, IoT gateways, and consumer multimedia designs. An evaluation kit (EK) in the embedded development board category is a ready-to-run PCB that integrates a target MPU/MCU, power regulation, debug probe interface, and a full complement of I/O connectors, allowing engineers to write firmware, run benchmarks, and verify peripherals without designing custom hardware. The ATSAMA5D33-EK belongs to the Development Boards & Kits > ARM Cortex-A MPU Evaluation Kits hierarchy, which sits under the broader embedded development tools category. Key features of the underlying SAMA5D33 MPU include a Cortex-A5 core running up to 536 MHz, 32 KB each of instruction and data cache, 128 KB of internal SRAM, a hardware floating-point unit, and ultra-low-power modes with deep-sleep current below 0.5 mW. The board includes a hardware cryptographic accelerator supporting AES, DES, 3DES, and SHA, plus secure boot and tamper-detection pins. On the architecture side, the SAMA5D33 integrates an LCD controller with TFT support up to WXGA, an embedded image sensor interface (ISI), a 12-bit ADC, two Ethernet MACs (one Gigabit-capable), three HS USB ports, and a rich set of serial interfaces including UART, SPI, TWI, and CAN. The kit ships with on-board Linux and Qt-based GUI demos plus the SAMA5D3 Softpack C example set to accelerate software bring-up. Typical applications include industrial control HMI panels, IoT edge gateways with secure communications, smart energy / smart metering terminals, barcode scanners, medical patient monitors, and low-power graphical terminals. The wide peripheral set makes it well-suited for designs that need rich connectivity and graphics on a single MPU. When designing with this kit, plan power sequencing early; the SAMA5D33 requires specific rail rise times and decoupling on each domain. Verify your final BOM against the latest Microchip errata sheet before committing to production silicon. This page synthesizes distributor inventory, datasheet specifications, drop-in alternatives, and practical design notes not found in a single source on the Microchip product page.
ATSAMA5D34-EK - SAMA5D34 Cortex-A5 536MHz Evaluation Kit | Microchip
The Microchip ATSAMA5D34-EK is a full-featured evaluation platform for the Atmel SAMA5D34 embedded microprocessor, built around an ARM Cortex-A5 core running up to 536 MHz with 128 KB internal SRAM plus 32 KB each of instruction and data cache. The kit pairs the application processor with 512 MB of external DDR2 memory and integrates on-board SPI Serial DataFlash, NAND Flash, NOR Flash, and EEPROM, providing a ready-to-run Linux development environment. An evaluation board in this category is a complete hardware reference design that integrates a target processor, memory, power, debug, and peripheral interfaces so engineers can validate firmware and bring up board support packages without producing a custom PCB. The ATSAMA5D34-EK specifically targets the ultra-low-power SAMA5D3 MPU family, which is positioned between microcontrollers and application processors for connected and graphical embedded products requiring deterministic real-time behavior plus high-level operating systems. Key features of the platform include 10/100 Ethernet, USB 2.0 device and host, LCD support, image sensor interface, CAN, SD card, audio, JTAG, and a SODIMM-200 CPU module (CM) socket that allows the SAMA5D34 module to be swapped for SAMA5D31, D33, D35, or D36 variants. The kit ships with cables, a power supply, and a display module, reducing time-to-first-boot for Linux and bare-metal developers. The reference design follows Atmel's SODIMM-200 interposer convention, isolating the processor, DDR2, and boot media on a small CM board connected to a feature-rich main board through a standard 200-pin edge. This separation lets teams reuse the same baseboard across the SAMA5D3 family and shortens hardware iteration when migrating between SKUs. Typical applications include Linux-based HMI prototypes, IoT gateways, industrial control panels, medical device touchscreens, and smart energy terminals. The Cortex-A5 with floating-point unit accelerates graphical stacks such as Qt and Weston, while the wide peripheral set reduces external component count. When selecting this kit, verify that your target volume production part is the ATSAMA5D34 (324-BGA) and that the SODIMM-200 carrier accommodates signal integrity for DDR2 at the chosen frequency. The kit is intended for software evaluation rather than as a reference for high-volume layout.
ATSAMA5D35-EK - SAMA5D35 Cortex-A5 536MHz MPU Evaluation Kit
The Microchip ATSAMA5D35-EK is a fully featured evaluation board for the Atmel SAMA5D35 ARM Cortex-A5 microprocessor unit (MPU), running at up to 536 MHz with sub-0.5 mW power consumption in low-power mode. The kit integrates the high-performance, ultra-low-power SAMA5D3 MPU with 128 KB of internal SRAM, 32 KB instruction cache and 32 KB data cache, a floating-point unit, and a rich set of peripherals including dual Ethernet, USB host/device, LCD controller, CAN, and high-speed memory interfaces. The board is delivered as a complete development platform with cables and power supply so engineers can immediately prototype Linux-based embedded designs. An ARM Cortex-A5 microprocessor (MPU) is a 32-bit application-class processor core with full MMU support, designed for embedded systems that require a rich operating system such as Linux or Android. In the component taxonomy, the Cortex-A5 sits below Cortex-A7/A8/A9 and above Cortex-M7, and the SAMA5D3 series specifically belongs to the high-performance ultra-low-power MPU family, which in turn belongs to the broader 32-bit microprocessor family and the wider category of embedded processing semiconductors. Unlike microcontroller units (MCUs), MPUs require external memory and benefit from dedicated hardware accelerators for multimedia and connectivity. Key features of the SAMA5D35 silicon on this board include 850 DMIPS performance, hardware cryptography (AES, SHA, TRNG), dual 10/100/1000 Ethernet MACs with IEEE 1588 support, LCD controller up to 1280x860 or 1920x1080 with HDMI support, dual CAN-FD controllers, USB 2.0 high-speed host and device, and a high-speed memory bus supporting DDR2/LPDDR/DDR3. The evaluation kit exposes 512 MB of DDR2, NAND/NOR flash, EEPROM, SPI DataFlash and SD card interfaces through standard headers, allowing immediate access to all major peripherals without additional hardware. The board architecture provides isolated power rails and a dedicated PMIC path, exposing low-power mode power measurement points. Software support includes free Linux distributions (mainline kernel + Yocto/Buildroot), bare-metal examples, and the SAM-BA bootloader, making it suitable for both production-ready Linux application development and deep power-management research. Industrial operating temperature grade silicon is also supported on compatible SAMA5D3 MPU variants. Typical applications include industrial HMI panels, smart energy gateways, building automation controllers, portable medical data terminals, wearable computing, point-of-sale terminals, and M2M/IoT edge nodes that require low-power Linux with rich connectivity. Engineers evaluating secure connected devices also use the kit as a reference for hardware cryptography and secure boot implementation. When designing with the ATSAMA5D35-EK, prioritize signal-integrity for the DDR2 routing, ensure adequate copper area under the BGA to keep junction temperature within the 105 C industrial limit, and use the on-board PMIC current-sense resistors to characterize low-power modes. This page synthesizes distributor pricing, drop-in board-level alternatives, and practical design notes not found in the manufacturer datasheet.
ATSAMA5D36-EK - SAMA5D36 Cortex-A5 536MHz MPU Evaluation Kit
The Microchip Technology ATSAMA5D36-EK is a full-featured evaluation platform built around the Atmel SAMA5D36 ARM Cortex-A5 MPU, running the core at up to 536 MHz with 32 KB each of instruction and data cache plus 128 KB of on-chip SRAM. The kit ships with 512 MB of DDR2/LPDDR system memory, a 64 KB EEPROM, 4 MB of NAND flash, 16 MB of NOR flash, and 256 MB of SPI serial DataFlash, giving developers a complete bootable Linux target straight out of the box. Expansion is provided through an MII/RMII Ethernet path, USB host/device, LCD, camera, and SD/MMC connectors, along with the SAM-BA bootloader and JTAG debug interface. An evaluation board, in the broader sense, is a populated PCB that exposes every functional block of an MPU or microcontroller so firmware, drivers, and applications can be validated before a custom carrier board is designed. The ATSAMA5D36-EK belongs to the Atmel SMART ARM-based MPU evaluation family and serves as the reference design for the SAMA5D3 series (SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D36), which targets industrial HMI, smart energy, and connected consumer devices. The platform also bundles the SAMA5D3 Softpack - a free collection of bare-metal C examples - together with Linux and Qt-based graphical demos that exercise the on-board peripherals. Key features of the kit include a high-bandwidth system bus architecture, a hardware floating-point unit for accelerated numeric workloads, and dual Ethernet support. The board integrates a TFT LCD connector, a CMOS camera interface, audio codec path, and multiple serial interfaces (UART, SPI, I2C, TWI, CAN), making it suitable for full system prototyping. Microchip recommends Atmel Studio and the SAMA5D3 Linux distribution for application development, with SAM-BA providing non-volatile memory programming. Typical applications include industrial human-machine interface (HMI) panels, smart grid and energy metering terminals, point-of-sale and kiosk controllers, and Linux-based connected appliances that need low standby power under 150 mW combined with full Cortex-A5 performance. The on-board peripherals cover the reference design for nearly every block in those systems, so engineers rarely need extra mezzanine cards for first-pass bring-up. When designing with this kit, plan a stable 5 V input to the on-board regulator chain because voltage rail quality affects the DDR2 timing margins. Engineers targeting production should treat the EK as a reference only - it has been superseded by the ATSAMA5D3-XPLD. For current designs consider the SAMA5D2-series XULT kits as the active replacement.
ATSAMA5D4-EK - SAMA5D44 Cortex-A5 600MHz MPU Evaluation Kit | Microchip
The Microchip ATSAMA5D4-EK is a full-featured evaluation kit built around the ATSAMA5D44 ARM Cortex-A5 microprocessor, delivering up to 600 MHz of application processing performance with an integrated ARM NEON SIMD engine, a 128 KB L2 cache, and a hardware floating-point unit. Housed on a complete reference board with HDMI output, LCD connector, GbE, USB, and DDR2/LPDDR2 memory interface, the kit is shipped in a box packaging as a Category Embedded MCU/DSP Evaluation Board in the AT91SAMA5 series. An ARM Cortex-A5 MPU is a 32-bit application-class processor based on the ARMv7-A architecture that supports full operating systems such as Linux and Android. It sits hierarchically within MPU (microprocessor unit) -> application processor -> SoC -> semiconductor, providing much higher computational throughput than Cortex-M microcontrollers while retaining deterministic interrupt response through the NEON media engine for SIMD-accelerated codecs, image processing, and DSP workloads. Key features of the ATSAMA5D4-EK include a 600 MHz Cortex-A5 core with NEON, 128 KB L2 cache, FPU, on-board DDR2/LPDDR2 memory expansion, an LCD interface with maXTouch support, HDMI output, two Ethernet ports, USB host/device, SD card storage, and a JTAG/SWD debug interface. The integrated peripherals are exposed through MikroElektronika-style headers, an Arduino R3-compatible shield interface, and the Xplained extension connector for rapid prototyping of HMI and connectivity-rich applications. From an architectural perspective, the ATSAMA5D44 silicon combines the application-class Cortex-A5 cluster with a dedicated system-bus matrix, a graphics LCD controller (LCDC) with overlays for video pipelines, a high-speed USB 2.0 OTG controller, and a sophisticated power-management unit (PMU) that supports low-power standby modes. The board exposes these buses through the Xplained Ultra-style headers so engineers can reuse the same physical interface for industrial gateways, smart appliances, and connected medical devices. Typical applications include Linux-based human-machine interface (HMI) panels, industrial IoT gateways, smart-home control panels, point-of-sale terminals, machine-vision edge nodes, and audio/video streaming appliances. The board is a drop-in reference design used by OEMs to validate their custom SAMA5D4 carrier boards before tape-out, accelerating time-to-market for ultra-low-power Cortex-A5 products. When designing with this kit, pay close attention to the on-board DDR2/LPDDR2 routing topology and length matching, since signal integrity at 200 MHz memory clock is critical for Linux boot stability. Use the supplied AT91Bootstrap, U-Boot, and Linux4SAM distribution images from the manufacturer website to avoid pin-mux conflicts during initial bring-up. This page synthesizes distributor pricing, drop-in same-family evaluation-board alternatives, and practical design notes not found on the manufacturer datasheet alone.
ATSAMA5D4-XULT - SAMA5D4 Cortex-A5 600MHz MPU Evaluation Kit
The Microchip Technology ATSAMA5D4-XULT (SAMA5D4 Xplained Ultra) is an Atmel-branded fast-prototyping evaluation platform built around the ATSAMA5D44 high-performance ARM Cortex-A5 microprocessor unit. The kit pairs the SAMA5D44 SoC with 512 Mbytes of DDR2 memory and runs the eMPU at up to 600 MHz with the ARM NEON SIMD engine, a 128 KB L2 cache and an integrated floating-point unit, enabling 720p video playback at 30 fps and Linux application development for industrial HMI, secure gateways and IoT edge nodes. An ARM Cortex-A5 based microprocessor (MPU) is a 32-bit application-class core typically running a high-level operating system such as Linux, distinguishing it from smaller Cortex-M microcontrollers used in bare-metal real-time control. The SAMA5D4 family is optimized for ultra-low-power graphics with hardware video decoding and on-chip LCD controllers, and the Xplained Ultra form factor exposes HDMI, RGB LCD, two Ethernet PHYs, USB 2.0 host/device, audio, SD card, JTAG, and mikroBUS / Xplained Pro extension headers for rapid peripheral prototyping. Key features of the SAMA5D44 die inside the kit include the NEON SIMD engine for multimedia workloads, a hardware 720p video decoder/codec, multiple TFT LCD and HDMI interfaces, a 24-bit LCD controller, 2D graphics acceleration, a TrustZone-aware secure boot/Secure Key Storage subsystem, an LCD-TFT controller with overlay, and QSPI / NAND flash memory controllers. The on-board 512 MB DDR2 SDRAM and the user-accessible QSPI flash headers give developers ample headroom to bring up Linux4SAM distributions, Atmel Studio projects or third-party Yocto builds. Typical applications include industrial human-machine interface (HMI) terminals, 720p video-capable signage players, secure IoT gateways, point-of-sale terminals, and Office-on-the-Go converged devices. The kit is also used by firmware developers who need to evaluate the on-chip TFT LCD controller with maXTouch capacitive-touch sensing for wearable and instrumentation displays, supported with the optional AC320005-5 5-inch WVGA LCD module. When designing with this evaluation kit, note that the part itself is an evaluation board and is now listed as obsolete by the manufacturer. Migrate new designs to the SAMA5D2-XULT or SAMA5D2B-XULT derivatives (SAMA5D2 series) for active production; use the SAMA5D4-XULT only for legacy Linux bring-up and/or service replacement of installed prototypes. Always confirm revision level, MikroBUS current limits and HDMI cable compliance (3.3 V tolerant, GND pin identified) before high-speed layout work begins.
ATSAMB11-XPRO - BLE 4.1 SmartConnect Xplained Pro Kit | Microchip
The Microchip Technology ATSAMB11-XPRO is a Bluetooth Smart (BLE 4.1) evaluation kit built around the ATSAMB11-MR510CA Bluetooth Smart System-on-Chip (SoC) module, integrating an ARM Cortex-M0 MCU core, 2.4GHz transceiver, modem, MAC, PA, TR switch, and integrated Power Management Unit (PMU). The kit operates from a 32.768 kHz low-frequency clock and a 12 MHz primary CPU clock, and exposes 256 KB of embedded Flash for application code and BLE stack storage. A Bluetooth Low Energy (BLE) Xplained Pro kit is a hardware prototyping platform that combines the Atmel/Microchip Xplained Pro extension header ecosystem with a fully certified BLE radio module. The Xplained Pro family follows a standardized 2x5 100-mil extension header and a 1x2 current-measurement header, so the ATSAMB11-XPRO can share daughter cards (XPRO extensions) with the SAM D/SAM4/SAMA5 development boards from Microchip, accelerating sensor, display, and connectivity prototyping. Key features of this kit include the ATSAMB11G18A MCU evaluation board, on-board 32.768 kHz and 12 MHz clock sources, the standard Xplained Pro extension header for XPRO-compatible click-board and MikroElektronika shields, an integrated MCU current-measurement header for power profiling, full Bluetooth SIG 4.1 BLE certification inherited from the on-module SoC, and USB/power input for Atmel Studio / Microchip Studio debugging via the on-board EDBG interface. The kit supports Windows 7 / 8 / Vista / XP IDE toolchains. The SAM B11 family integrates the radio, baseband, and application processor on a single die, eliminating external balun/matching components and reducing BOM. The PMU supports direct connection to a single 1.8-4.3V supply (typical coin-cell operation), and the ARM Cortex-M0 core delivers deterministic interrupt latency required for BLE link-layer timing, making the SoC well suited for beacon, health-device, and remote-control firmware. Typical applications include BLE peripheral prototyping (heart-rate, proximity, environmental sensors), iBeacon / Eddystone beaconing, smart-home and lighting-control gateways, and low-power wireless sensor nodes. The Xplained Pro form factor also makes it a useful reference design for FCC/CE modular certification reuse. When designing with this kit, place the included 2.4 GHz antenna in free space and avoid ground copper directly beneath the trace antenna; the on-board MCU current-measurement header allows accurate SoC power profiling across BLE advertising, scan, and connected states using a source-measure unit or shunt resistor.
ATSAMB11ZR-XPRO - BLE 4.x SmartConnect Xplained Pro | Microchip
The Microchip ATSAMB11ZR-XPRO is a Bluetooth Smart 4.x Low Energy (BLE) 2.4GHz evaluation board built around the ATSAMB11-ZR210CA SmartConnect SiP/Module. The kit is part of Microchip's Xplained Pro evaluation platform and provides a complete out-of-the-box development environment for prototyping BLE peripherals, beacons, and IoT sensor nodes without external RF matching or antenna design. The board exposes the ATSAMB11 module's ultra-low-power Cortex-M0 based BLE SoC subsystem plus its integrated ARM Serial Wire Debug (SWD) interface, enabling engineers to prototype firmware using Atmel Studio / Microchip Studio and the Atmel BLE software stack. Bluetooth Low Energy (BLE), standardized as IEEE 802.15.1 and maintained by the Bluetooth SIG, is a short-range, ultra-low-power wireless technology targeting coin-cell and energy-harvesting applications such as fitness bands, smart-home sensors, beacons, and proximity tags. Compared to classic Bluetooth, BLE trades peak throughput for drastically reduced average current draw, allowing months-to-years of operation on a single coin cell. The ATSAMB11ZR-XPRO shortens time-to-prototype by integrating the RF matching network, crystal, and chip antenna on a certified module, so firmware engineers can focus on the application GATT profile rather than radio compliance. Key features of the ATSAMB11ZR-XPRO include the ATSAMB11-ZR210CA SiP/Module with on-module 32.768 kHz RTC crystal and 16 MHz main crystal, integrated DC-DC converter for sub-3V battery operation, and a Cortex-M0 application core with dedicated BLE link layer. The board adds a user pushbutton, user LED, mikroBUS socket expansion, Xplained Pro extension header for breadboarding and Atmel QT touch debug, plus a Virtual COM port over USB for SWD and serial console. The board is USB-powered and integrates an on-board debugger, removing the need for an external programmer. At the application layer, the ATSAMB11ZR-XPRO is widely used as a reference design platform for ATSAMB11 firmware development, BLE peripheral GATT services, proprietary 2.4GHz profiles for proprietary protocols, and as a building block for IoT sensor nodes that need a fully certified radio. It is also used in education and rapid prototyping where engineers need a quick way to verify BLE link behavior, throughput, and power consumption before committing to a custom PCB layout. For design considerations, the on-board debugger is selectable as either the board's embedded debugger or an external one via the standard Xplained Pro IDC header, so multi-board debug chains are supported. The kit is RoHS compliant and supported by Atmel/Microchip Studio, ASF (Atmel Software Framework), and the latest Microchip code configurator for Bluetooth Low Energy projects. Battery-profiling firmware and Atmel QTouch libraries can be evaluated on this board via the QT header. This page synthesizes Microchip product-page data, distributor pricing from DigiKey and Octopart, datasheet references, and design notes that go beyond the manufacturer datasheet to help engineers choose and deploy the kit.
ATSAMC21-XPRO - SAM C21 Xplained Pro Evaluation Kit | Microchip
The Microchip Technology ATSAMC21-XPRO is a SAM C21 Xplained Pro evaluation kit built around the ATSAMC21J18A microcontroller, a 32-bit ARM Cortex-M0+ MCU with 256 KB Flash, 32 KB SRAM, and a rich peripheral set including CAN-FD, SERCOM, and a 5V-tolerant supply rail designed for noisy industrial environments. An evaluation board (also called a development kit or Xplained Pro board) is a hardware platform integrating a target MCU, programming/debug interface, extension headers, and power conditioning so engineers can prototype firmware, evaluate peripherals, and connect MikroElektronika click boards without designing custom PCB hardware first. Evaluation boards sit at the bottom of the embedded-development hardware hierarchy: silicon -> MCU module/package -> evaluation board -> prototype PCB -> production PCB. They accelerate time-to-prototype because the schematic, BOM, and Gerbers are reference designs validated by the silicon vendor. The ATSAMC21-XPRO exposes ATSAMC21J18A peripherals through Xplained Pro extension headers (EXT1/EXT2/EXT3), an on-board Embedded Debugger (EDBG) providing CMSIS-DAP over USB, a current-measurement header for power profiling, and QTouch buttons. The board is supported by Atmel Studio / Microchip MPLAB X IDE, ASF (Atmel Software Framework), and a growing list of Harmony 3 drivers. Compared with lower-tier dev kits, the Xplained Pro tier integrates production-grade debug and standardized pinouts so designs are portable across other SAM-family boards (SAMD, SAME, SAMP). Typical applications include industrial CAN-FD node prototyping, motor-control reference designs (TC27 companion boards), 5V sensor-hub prototyping, and academic Cortex-M0+ firmware training. The board's 5V-tolerant GPIO and CAN-FD peripheral make it especially relevant for automotive and industrial-grade embedded learning where 3.3V-only kits fall short. Engineers migrating from SAM D20/D21 boards will find familiar SERCOM configurations and identical linear address maps, easing code reuse. When prototyping, route power through the current-measurement header to characterize active and sleep current of the ATSAMC21J18A; remember the on-board EDBG draws current too and must be accounted for in low-power benchmarks. Use Xplained Pro extension boards (ATIO1-XPRO, ATCAN-XPRO) to expand CAN, Ethernet, or IO coverage without redesigning the base board.
ATSAMC21MOTOR - SAM C21 Motor Control MCU Card | Microchip
The Microchip ATSAMC21MOTOR is an MCU daughter card for the Microchip/Atmel ATSAMBLDC24V-STK motor control starter kit, featuring an on-board ATSAMC21J18A ARM Cortex-M0+ microcontroller with integrated on-board debug support. It is pre-programmed with hall-sensor based block-commutation firmware for the ATSAMBDLC24V-STK BLDC motor starter kit, enabling out-of-the-box low-voltage brushless DC motor control development and evaluation. A motor control starter kit (MCU card + base board) is a development platform that pairs a microcontroller daughter card with a power-stage base board, allowing engineers to evaluate motor-control algorithms (six-step commutation, FOC, sensored or sensorless) without designing a full hardware prototype. Such kits sit in the embedded development tools hierarchy between software-only evaluation (MPLAB X IDE simulation) and full reference designs, and they are widely used by power-electronics engineers to validate control firmware before committing to a custom PCB. The ATSAMC21MOTOR card uses the SMART SAM C21 family, which integrates a 32-bit ARM Cortex-M0+ core running up to 48 MHz, a 12-bit 1 Msps ADC, a high-resolution PWM timer with dead-band generators, and a configurable Custom Logic (CCL) block. These peripherals map directly onto three-phase motor-control requirements: center-aligned PWM with complementary outputs and hardware dead-time insertion for safe switching of the half-bridge driver stage, and synchronized ADC sampling of phase currents at the PWM center point for accurate FOC calculation. Typical applications include BLDC and PMSM motor control evaluation, sensored or sensorless FOC development, low-voltage (24 V) battery-powered motor drives (e-cargo bikes, small appliances, fans, pumps, drones, robotics), and as a learning platform for students transitioning from 8-bit MCUs to 32-bit Cortex-M0+ motor-control firmware. The on-board debugger removes the need for an external debug probe, so users only need a USB cable to start development. When evaluating this card, ensure the companion ATSAMBLDC24V-STK base board is available (it is sold separately). For production designs, the same SAM C21 firmware can be migrated directly to ATSAMC21J18A-MUT64 or ATSAMC21J18A-AUT ICs, retaining the peripheral configuration developed on the evaluation card.
ATSAMC21N-XPRO - SAM C21N Xplained Pro MCU Eval Kit | Microchip
The Microchip Technology ATSAMC21N-XPRO is the SAM C21N Xplained Pro evaluation kit, a low-cost hardware platform designed to prototype, evaluate, and demonstrate the ATSAMC21N18A ARM Cortex-M0+ microcontroller operating at up to 48 MHz with 256 KB Flash and 32 KB SRAM. The board integrates an on-board Embedded Debugger (EDBG), a 32.768 kHz crystal for RTC reference, and a 16 MHz main crystal, with full access to all MCU I/O pins through extension headers compatible with Xplained Pro expansion boards. What is an MCU evaluation kit? An evaluation kit (sometimes called a development board or starter kit) is a printed-circuit assembly that hosts a microcontroller or microprocessor together with the minimum support circuitry required to run it: power regulation, clock source, reset circuit, debug probe, and breadboard-friendly headers. Evaluation kits sit at the top of the embedded-computing hierarchy: evaluation kit -> development board -> prototyping platform -> embedded system, and they are the standard vehicle for early firmware bring-up before committing to a custom PCB. Key features of the ATSAMC21N-XPRO include the ATSAMC21N18A MCU with 5V-tolerant I/O, six SERCOM serial-communication modules, CAN-FD, a 12-bit ADC and DAC, an integrated ATECC508A CryptoAuthentication device on the I2C bus, and the EDBG that exposes a USB mass-storage drag-and-drop programmer plus a virtual COM port. The board is supported by Microchip Studio, Atmel Studio 7, MPLAB X IDE, and the Zephyr RTOS, giving firmware engineers multiple toolchains out of the box. From an architecture standpoint, the ATSAMC21N18A is built on a 5V-tolerant, low-leakage CMOS process optimized for industrial and commercial applications in electrically noisy environments. The Cortex-M0+ core delivers 1.25 DMIPS/MHz while consuming only a fraction of the current of Cortex-M3/M4 devices, allowing the same firmware to scale from battery-powered to 24V industrial buses. Typical applications include industrial CAN-FD node prototyping, automotive accessory and body-controller evaluation, low-power IoT sensor hubs, motor-control reference designs using the ATSAMC21MOTOR plug-in board, and secure-communication proof-of-concepts that leverage the on-board ATECC508A. The 5V-tolerant I/O and CAN-FD peripheral specifically target 12V/24V industrial bus and CAN networks. Design tip: when transitioning from the ATSAMC21N-XPRO to a custom board, replicate the EDBG USB portion only if in-field firmware updates are needed; otherwise replace it with a 10-pin Cortex Debug connector to save BOM cost. Always place a 4.7 uF decoupling cap on each VDD pin pair of the ATSAMC21N18A and route the 32.768 kHz crystal traces with ground guarding. This page synthesizes distributor pricing, drop-in evaluation-board alternatives, and practical bring-up notes that go beyond the manufacturer user guide, giving procurement and firmware teams a single source for the ATSAMC21N-XPRO.
ATSAMD10-XMINI - SAMD10 Cortex-M0+ MCU Xplained Mini Eval Kit | Microchip
The Microchip Technology ATSAMD10-XMINI is a compact evaluation and prototyping board built around the Atmel SAM D10 ARM Cortex-M0+ microcontroller, designed for rapid evaluation of Microchip's SAMD10 32-bit MCU family in a low-cost, USB-powered form factor. The board integrates an on-board debugger, a single user push-button, an LED, and access to all SAMD10 pins via header strips, allowing engineers to begin firmware development immediately using Atmel Studio, MPLAB X IDE, or the command-line build environment. At its core, the ATSAMD10-XMINI evaluation platform features the SAMD10 microcontroller, a member of the SAM D family based on the ARM Cortex-M0+ processor core. The SAM D family is Microchip's 32-bit microcontroller portfolio designed for low-power, mixed-signal embedded applications, with the Cortex-M0+ architecture offering a balance of computational throughput, deterministic interrupt response, and minimal active current draw. The platform is suitable for IoT endpoints, sensor hubs, low-power wireless companion MCUs, capacitive-touch user interfaces, and battery-powered consumer products. Key features include a 32-bit ARM Cortex-M0+ processor running up to 48 MHz with 2.46 CoreMark/MHz efficiency, on-board embedded debugger via USB, a user-accessible reset button, a single user-controlled LED, and access to all SAMD10 device pins through standard 0.1-inch header strips. According to Microchip's SAM D10 summary datasheet, the device family supports up to 16 KB Flash, 4 KB SRAM, and a rich set of peripherals including SERCOM, ADC, timers, and event system. Typical applications include IoT sensor nodes, wearable electronics, smart-home control panels, low-cost motor control development, capacitive-touch HMI prototyping, and battery-powered embedded products requiring 32-bit performance at 8-bit power budgets. The board's low-cost nature makes it especially popular in educational settings and hobbyist designs. When designing with this evaluation board, ensure that the USB cable provides adequate power for the on-board debugger and target MCU. For production designs, transition from the Xplained Mini to the bare SAMD10 silicon with a custom PCB footprint based on the package variants (SO-14, SO-20, QFN-20, QFN-32).
ATSAMD11-XPRO - SAM D11 Xplained Pro ARM Cortex-M0+ Eval Kit | Microchip
The Microchip ATSAMD11-XPRO is a SAM D11 Xplained Pro evaluation board built around the ATSAMD11D14A ARM Cortex-M0+ 32-bit microcontroller, providing an out-of-the-box prototyping platform for the SAM D11 family. It integrates an on-board embedded debugger (EDBG), a 32.768 kHz crystal for RTC operation, USB power and data interface, and access to all SAM D11 GPIO pins through dual-row 20-pin Xplained Pro extension headers. The ATSAMD11D14A MCU provides 16 KB flash, 4 KB SRAM, and up to 48 MHz core clock with a rich peripheral set including SERCOM, ADC, DAC, and USB. What is a microcontroller evaluation board? An evaluation board (EVB) is a populated PCB that exposes all functional pins of a target microcontroller to the engineer, typically including an on-board debugger, voltage regulators, reference crystals, and standardized expansion headers. Evaluation boards like the ATSAMD11-XPRO allow firmware development and peripheral verification without requiring custom hardware design, shortening prototype cycles. They sit in the hierarchy: evaluation board -> development kit -> prototyping platform -> embedded systems tool. Key features of the ATSAMD11-XPRO include the integrated EDBG debugger that eliminates the need for an external programmer (supporting SWD and providing virtual COM port and DGI GPIO over USB), the ID chip that identifies connected Xplained Pro extension boards to Atmel Studio and MPLAB X IDE, and the standardized dual 20-pin Xplained Pro headers that allow plug-and-play use of I/O1, OLED1, and other extension boards. Power can be supplied either from the USB host or from the target itself through the extension headers, simplifying both bus-powered and self-powered test setups. Technically, the ATSAMD11D14A MCU core is a Cortex-M0+ with single-cycle IO and a 2-stage pipeline, paired with an integrated 12-channel 350 ksps 12-bit ADC, 10-bit DAC, up to six SERCOM channels configurable as I2C/SPI/UART, full-speed USB 2.0 device, and a touch controller. The Xplained Pro platform augments this with the on-board 32.768 kHz crystal for RTC accuracy and the EDBG that performs SWD programming at speeds up to 2 MHz. Typical applications include low-power IoT sensor node prototypes, USB device development (HID, CDC, MIDI), wearable fitness and medical prototypes, home automation controllers, and general-purpose Cortex-M0+ firmware evaluation. The combination of full-speed USB, low-power SleepWalking peripherals, and rich SERCOM configurability makes it a strong fit for connected battery-powered designs. When designing with this evaluation kit, the user should note that the on-board EDBG consumes USB enumeration bandwidth and should be detached for low-power current measurements. The dual 20-pin Xplained Pro headers carry both MCU signals and power rails; do not back-feed the board through these headers without removing the VBUS jumper. The SAM D11 series supports both Atmel Studio legacy workflows and current MPLAB X IDE / Harmony 3 frameworks. This page synthesizes distributor pricing, Xplained Pro extension board compatibility, and cross-brand dev kit alternatives not found in the manufacturer datasheet, delivering decision-ready context for prototype kit selection.
ATSAMD20-XPRO - SAM D20 Xplained Pro Cortex-M0+ Eval Kit | Microchip
The Microchip Technology ATSAMD20-XPRO is the SAM D20 Xplained Pro evaluation kit, a hardware prototyping platform built around the ATSAMD20J18A ARM Cortex-M0+ 32-bit microcontroller. The kit is populated with the SAMD20J18A device running at 48 MHz, equipped with 256 KiB of flash memory, 32 KiB of SRAM, and a 32.768 kHz crystal oscillator for accurate real-time clock reference. The evaluation board is shipped with an embedded Atmel Embedded Debugger (EDBG) that provides full debug and programming functionality through a single USB connection, removing the need for an external JTAG or SAM ICE probe. An Xplained Pro evaluation board is a development kit category designed by Microchip to standardize evaluation across the company's 32-bit MCU families. These kits integrate a debugger, virtual COM port, and standardized extension headers, allowing engineers to evaluate peripherals and add functionality through plug-in extension boards. The ATSAMD20-XPRO belongs to the SAM D ARM Cortex-M0+ family, which sits inside Microchip's broader 32-bit MCU hierarchy of SAM D -> Cortex-M0+ class -> low-power 32-bit MCU portfolio. Key features include the integrated EDBG debug interface, three Xplained Pro extension headers, mechanical compatibility with the Arduino R3 shield standard, USB-powered operation, and direct access to all SAMD20J18A I/O pins through the standardized headers. The board also exposes the SAM D20's low-power sleep modes for energy profiling. Typical applications for the SAMD20J18A target device include IoT sensor nodes, low-power wearables, industrial control, smart metering, capacitive touch human-machine interfaces, and consumer electronics prototyping. The combination of Cortex-M0+ efficiency and the SAMD20 peripheral set makes the kit suited for both learning the SAM D architecture and rapidly developing production code. When designing with this kit, connect a 5V USB source and configure the Atmel Studio / Microchip Studio IDE to detect the EDBG over the USB HID interface. Expansion is most efficient through the I/O1 Xplained Pro, OLED1 Xplained Pro, and PROTO1 Xplained Pro extensions which mount directly onto the standardized 20-pin extension connectors.
ATSAMD21-XPRO - SAM D21 Xplained Pro ARM Cortex-M0+ Eval Board
The Microchip Technology ATSAMD21-XPRO is the SAM D21 Xplained Pro evaluation kit, a hardware platform for evaluating the ATSAMD21J18A 32-bit ARM Cortex-M0+ microcontroller running at 48 MHz with 256 KB Flash and 32 KB SRAM. The board features an onboard debugger (nEDBG), one mechanical reset button, one user LED, one user touch button, a 1 MB SPI Flash for data storage, and three Xplained Pro extension headers compatible with I/O1, OLED1, QT1, and PROTO1 extension kits. An evaluation board is a printed circuit assembly built around a target microcontroller or SoC, used by hardware and firmware engineers to prototype firmware, validate power and clock trees, and exercise on-chip peripherals before committing to a custom PCB. The ATSAMD21-XPRO belongs to Microchip's Xplained Pro family of evaluation kits, which share a standardized 20-pin extension header and Atmel/Microchip Studio IDE workflow, accelerating project bring-up and reducing prototype hardware risk. Key features include USB-powered operation via the Micro-B connector, an integrated CMSIS-DAP debug interface that exposes a virtual COM port for serial debugging, two 32.768 kHz and 12 MHz crystals, and an ATECC608A-compatible footprint for optional secure element add-on. The board is supported by Microchip's MPLAB X IDE, Atmel Studio 7, and the web-based Atmel START configuration tool. The Arduino Uno-compatible header footprint allows access to specific SAM D21 pins for shield prototyping. The on-board ATSAMD21J18A SoC integrates a 6-channel SERCOM peripheral, a 14-channel event system, a 12-bit ADC/DAC, and a full-speed USB 2.0 device/host controller. These resources make the ATSAMD21-XPRO suitable for sensor fusion, USB HID/CDC prototypes, low-power battery-driven nodes, and consumer wearables. The integrated nEDBG debugger eliminates the need for an external JTAG/SWD probe, lowering the total bill of materials for early development. Typical applications include IoT edge node firmware bring-up, USB device class prototyping (HID, CDC, MSD), low-power sensor data logger evaluation, hobbyist Arduino-alternative projects, and pre-production hardware validation. Designers evaluating the SAMD21 silicon for mass-production designs commonly use this board to verify peripheral drivers, FreeRTOS porting, and Asleep state current budgets before laying out a custom PCB. When designing with the ATSAMD21-XPRO, note that the nEDBG USB port and the target ATSAMD21J18A USB port are separate physical interfaces - the nEDBG supplies power and debug, while the target USB exposes the SAMD21 native USB peripheral. Do not populate both USB connections simultaneously in a powered hub without managing VBUS arbitration, otherwise upstream current draw can exceed the 500 mA USB spec.
ATSAMD21E16LMOTOR - SAM D21 BLDC Motor Control Kit | Microchip
The Microchip Technology ATSAMD21E16LMOTOR is a motor-control development board built around the ATSAMD21E16L ARM Cortex-M0+ microcontroller, designed as the MCU card for the ATSAMD21BLDC24V-STK low-voltage BLDC motor control starter kit. The board integrates a 32-bit SAM D21 MCU with 64 KB Flash and 8 KB SRAM, a hall-sensor based block-commutation firmware preloaded, and a mikroBUS socket for MikroElektronika click boards. A development kit (starter kit, evaluation board, reference design) is a pre-assembled hardware platform that lets engineers evaluate a microcontroller or SoC without designing a custom PCB first. These kits typically include an on-board debugger/programmer, break-out pins, and example firmware, and are positioned between a raw datasheet and a production design. Motor-control kits in this category use a plug-in MCU card plus a power-stage baseboard, so the same baseboard can be reused with different MCU cards while the firmware and pinout stay isolated on the MCU daughter card. Key features of the ATSAMD21E16LMOTOR include the ATSAMD21E16L MCU with ARM Cortex-M0+ core up to 48 MHz, 64 KB Flash, 8 KB SRAM, Full-Speed USB device, up to 26 GPIO, and a mikroBUS expansion header that supports MikroElektronika click boards for adding sensors, gate drivers, or communication interfaces. The board is shipped preprogrammed with hall-sensor block-commutation firmware targeting 24 V brushless DC motors via the ATSAMD21BLDC24V-STK baseboard. Technically, the SAM D21 architecture combines deterministic Cortex-M0+ performance with a 12-channel DMA controller, 12-channel Event System, and SleepWalking peripherals that allow motor control loops to run while most of the MCU stays in a low-power sleep state. The integration of USB, PWM timers, and ADC on a single die lets a single MCU card handle commutation, current sensing, and host-side telemetry without an external bridge IC. Typical applications include low-voltage 24 V BLDC motor control (fans, pumps, e-bike sub-systems), Sensorless and hall-sensor BLDC firmware reference designs, HVAC blowers, and industrial small-motor drives. When paired with the ATSAMD21BLDC24V-STK power stage, the kit evaluates 3-phase trapezoidal and sinusoidal commutation. For designs targeting higher power or field-oriented control, migrate to the ATSAMC21 or SAME54 motor-control platforms while keeping the same toolchain.
ATSAMDA1-XPRO - SAM DA1 Xplained Pro ARM Cortex-M0+ Eval Board
The Microchip Technology ATSAMDA1-XPRO is a SAM DA1 Xplained Pro evaluation kit for the ATSAMDA1 series of automotive-qualified ARM Cortex-M0+ microcontrollers, designed for evaluating and prototyping embedded applications. The kit integrates a 32-bit MCU with up to 64 KB Flash, 8 KB SRAM, and 2 KB Read-While-Write (RWW) Flash, all running at a maximum 48 MHz core frequency. The board supports the Peripheral Touch Controller (PTC) for capacitive touch sensing and exposes SERCOM modules, USB, I2S, and advanced timers through the standard Xplained Pro extension header ecosystem. An evaluation board is a printed-circuit assembly built around a target microcontroller that gives engineers a ready-made platform for firmware bring-up, peripheral exploration, and bench characterization without designing a custom PCB first. Evaluation boards typically integrate an on-board debugger, voltage regulation, user LEDs/buttons, and standardized expansion headers; in the embedded ecosystem they sit at the base of the development toolchain hierarchy (IDE -> compiler/debugger -> evaluation board -> custom prototype -> production PCB). Key features of the ATSAMDA1-XPRO include the Xplained Pro extension-compatible edge connector, an integrated Atmel-ICE / EDBG-compatible on-board debugger, mikroBUS and Xplained Pro header access to GPIO/ADC/I2C/SPI/UART, and support for the Atmel Studio / MPLAB X toolchain. The kit supports 32-, 48-, and 64-pin SAM DA1 device variants, all hex-compatible with shared linear address maps. Compliance includes RoHS for environmental safety and automotive-grade MCU qualification (AEC-Q100) on the target device. The SAM DA1 architecture pairs the Cortex-M0+ core with a DMA controller, 6 SERCOM peripherals, a 12-bit ADC, 10-bit DAC, and a hardware Peripheral Touch Controller. With 2.46 CoreMark/MHz, the device delivers predictable performance for low-power always-on automotive HMI, capacitive touch, and CAN/LIN nodes. The kit's on-board debugger streams SWD directly to MPLAB X / Atmel Studio, removing the need for an external probe during software bring-up. Typical applications include automotive HMI with capacitive touch, body electronics and lighting controls, CAN/LIN sensor nodes, BLDC/PMSM low-side motor drivers, low-power IoT sensing nodes, and seat/steering wheel/mirror touch replacement. The combination of AEC-Q100 MCU qualification and PTC support makes it particularly suited to interior automotive user interfaces. When designing with this kit, be aware that the ATSAMDA1-XPRO is the host evaluation board only - target SAM DA1 device variants (e.g., ATSAMDA1G16B, ATSAMDA1J16B) are not soldered by default in all SKUs. Always verify which SAM DA1 silicon is populated before loading firmware images; some SKUs ship with a socketed device, others with a pre-flashed variant. This page synthesizes distributor pricing, drop-in kit alternatives, and practical bring-up guidance not found in the manufacturer's user guide alone, giving automotive and embedded engineers a faster path from datasheet to working prototype.