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Microchip Technology

ATRF231USB-RD - AT86RF231 2.4GHz Eval Board | Microchip

部品番号: ATRF231USB-RD ✗ 生産終了
在庫あり 1〜3営業日以内に発送
2.4 GHz to 2.5 GHz Speed
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価格更新日: 2026-09-19
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ATRF231USB-RD 概要

The Microchip (formerly Atmel) ATRF231USB-RD is a 2.4 GHz IEEE 802.15.4 RF transceiver reference-design evaluation board built around the AT86RF231 radio transceiver and the ATSAM3S4BA ARM Cortex-M3 microcontroller, packaged as a USB-stick-form development platform for sub-1 GHz style low-power wireless network prototyping.

An RF evaluation board is a hardware development tool that lets engineers test a wireless transceiver's radio performance, stack software, and peripheral interfaces before committing to a custom PCB. In the tool hierarchy, it belongs to the family of development boards and kits, supporting wireless MCU and RF transceiver evaluation for IEEE 802.15.4 / ZigBee-class networks.

Key features include the AT86RF231 2.4/2.5 GHz radio transceiver with IEEE 802.15.4 compliance, an on-board ARM Cortex-M3 (ATSAM3S4BA) MCU for protocol handling, USB-stick form factor for direct connection to a PC, and support for programming/debugging via a SAM-ICE JTAG adapter with a standard 20-pin ARM JTAG connector.

The board combines the radio front end with an MCU on a single compact design, letting developers evaluate sensitivity, link quality, and MAC-layer behavior using Atmel's published application notes such as AVR2031 (Quick Start Guide), AVR2032 (User Guide), and AVR2030 (Hardware User Manual), which document USB driver installation, JTAG programming, and the board's pin assignment tables.

Typical applications include ZigBee and 802.15.4 mesh sensor network prototyping, RF transceiver characterization, firmware development for AT86RF231-based end products, and wireless education/training lab setups.

When designing with this board, remember that it is a development tool, not a production component: final products use the AT86RF231 chip itself, so PCB antenna matching and regulatory testing must be redone on the custom design.

This page synthesizes distributor availability, related evaluation kit comparisons (ATSAMR21-XPRO, ATWINC1500-XSTK), quick-start guidance, and practical design notes not consolidated in any single manufacturer document.

ドロップイン代替品: ATRF231USB-RD — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

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ATRF231USB-RD 仕様(メーカー公開)

Product Type RF Evaluation Board / USB Reference Design
Target Radio Transceiver AT86RF231
On-board MCU ATSAM3S4BA (ARM Cortex-M3)
Frequency Band 2.4 GHz to 2.5 GHz
Radio Standard IEEE 802.15.4
Form Factor USB stick
Host Interface USB
Programming / Debug Interface JTAG via SAM-ICE adapter (20-pin ARM JTAG)
Supported Software Atmel AVR2030/2031/2032 documentation, USB MSD driver support

ATRF231USB-RD インターフェースとコネクタ

ATRF231USB-RD について、メーカーが公開しているインターフェース一覧はありません。コネクタとヘッダーの詳細については、メーカーのドキュメントを参照してください。

詳細は メーカー資料 をご参照ください(拡張ヘッダーのピン配置とコネクタのピン番号の詳細)。

主な用途

ATRF231USB-RD の用途: 6 件s: IEEE 802.15.4 / ZigBee Mesh Sensor Network Prototyping, RF Transceiver Characterization and Test, AT86RF231 Firmware Development, Wireless Education and Training Labs, Legacy AT86RF231 Product Maintenance, Industrial Low-Power Wireless Sensing Proof of Concept.

🌐

IEEE 802.15.4 / ZigBee Mesh Sensor Network Prototyping

The ATRF231USB-RD fits 802.15.4 mesh prototyping because its AT86RF231 radio is a fully IEEE 802.15.4-compliant 2.4/2.5 GHz transceiver, and the on-board ATSAM3S4BA ARM Cortex-M3 has the processing headroom to run MAC and network-layer stacks. Plugged into a PC via its USB-stick interface, the board acts as a network node, sniffer, or coordinator during development. Engineers quantify link budget, packet error rate, and mesh routing behavior before designing custom hardware. The trade-off is that development-tool radio performance does not automatically transfer: the final product's antenna matching and enclosure effects must be re-characterized on the custom PCB, and regulatory (FCC/ETSI) testing must be repeated for the production design.

🔧

RF Transceiver Characterization and Test

For RF characterization, the ATRF231USB-RD provides direct access to the AT86RF231's receiver and transmitter through a controlled, known-good reference layout, which is exactly what radio bring-up requires. Because the board is a published Atmel reference design documented in the AVR2030 Hardware User Manual (including its full pin assignment table), measured results are reproducible and comparable across labs. Engineers can measure sensitivity, adjacent-channel performance, and output spectrum using standard RF instruments connected at the antenna port. As a development tool it removes layout variables from early evaluation, letting teams separate radio-limits from PCB-limits; those layout variables are then reintroduced and re-validated deliberately in the custom design phase.

🖥️

AT86RF231 Firmware Development

Firmware teams use the ATRF231USB-RD as the primary code-development target for AT86RF231-based products. The board's ATSAM3S4BA Cortex-M3 MCU is programmed through a SAM-ICE JTAG adapter over the 20-pin ARM JTAG connector, per Atmel application note AVR2031, enabling full flash erase, program, and debug cycles from a PC. The USB-stick form factor means no external power supply is needed during iteration: the board runs from USB power. Host-side, the board enumerates as a mass-storage device with driver installation documented in AVR2032. This shortens the edit-build-flash-debug loop compared with custom hardware, since the reference design is already proven for power integrity and RF decoupling.

🧩

Wireless Education and Training Labs

Universities and training labs adopt the ATRF231USB-RD because it packages a complete, standards-compliant 2.4 GHz 802.15.4 node into a low-cost, self-contained USB stick with no soldering or external RF equipment required for basic experiments. Students can move from plugging in the stick to observing network traffic within a single session, using Atmel's step-by-step AVR2031 Quick Start Guide and AVR2032 driver-installation note. The visible separation of radio (AT86RF231) and MCU (ATSAM3S4BA) also teaches the architectural distinction between transceiver and protocol processor that integrated SoCs hide. Multi-stick kits allow mesh-topology experiments with several nodes per classroom.

🔧

Legacy AT86RF231 Product Maintenance

Teams supporting fielded AT86RF231-based products keep the ATRF231USB-RD as a reference-design golden board for regression testing. Because the board implements the manufacturer's own reference layout, it serves as a known-good baseline when diagnosing whether a field failure originates in firmware, the radio chip, or the customer's PCB. Firmware fixes can be validated against the reference hardware before release, and the documented pin assignment in AVR2030 aids signal-level troubleshooting on customer boards. With both the board and the AT86RF231 now legacy devices, remaining stock is sourced via independent distributors, so labs should inventory enough units to cover their maintenance horizon.

🏭

Industrial Low-Power Wireless Sensing Proof of Concept

For industrial proof-of-concept deployments - condition monitoring, metering, and factory-floor sensing - the ATRF231USB-RD demonstrates 2.4 GHz 802.15.4 links in realistic RF environments before productization. Published platform guidance describes the ATRF231 family as suited to Zigbee and mesh sensor networks with extended battery life and compact design, differentiating it from CC2530- and nRF24L01+-based options on protocol compliance. The USB-stick nodes can be quickly scattered across a plant floor to measure packet delivery and mesh self-healing in the presence of metal racks and Wi-Fi interference, producing real range data that informs antenna choice and node density in the final industrial product.

おすすめ製品の概要

AT86RF231-ZU Target RF transceiver chip evaluated by this board 使用用途: IEEE 802.15.4 / ZigBee Mesh Sensor Network Prototyping, RF Transceiver Characterization and Test, AT86RF231 Firmware Development, Wireless Education and Training Labs, Legacy AT86RF231 Product Maintenance, Industrial Low-Power Wireless Sensing Proof of Concept ATSAM3S4BA On-board ARM Cortex-M3 host MCU 使用用途: IEEE 802.15.4 / ZigBee Mesh Sensor Network Prototyping, AT86RF231 Firmware Development, Legacy AT86RF231 Product Maintenance ATSAMR21-XPRO Microchip Technology 使用用途: RF Transceiver Characterization and Test, Wireless Education and Training Labs, Industrial Low-Power Wireless Sensing Proof of Concept
What is the ATRF231USB-RD evaluation board?
The ATRF231USB-RD is a 2.4 GHz IEEE 802.15.4 transceiver evaluation and reference-design board from Microchip (originally Atmel). It combines an AT86RF231 radio transceiver with an ATSAM3S4BA ARM Cortex-M3 microcontroller in a USB-stick form factor, allowing engineers to prototype ZigBee-class wireless networks and evaluate RF performance directly from a PC.
Which chips are on the ATRF231USB-RD board?
The board carries two main devices: the AT86RF231, a 2.4/2.5 GHz IEEE 802.15.4 RF transceiver, and the ATSAM3S4BA, an ARM Cortex-M3 microcontroller that runs the application and MAC-layer firmware. According to the DigiKey product listing, the board is described as 'AT86RF231, ATSAM3S4BA - Transceiver 2.4GHz Evaluation Board.'
Where to download the ATRF231USB-RD datasheet PDF?
The ATRF231USB-RD documentation is available from several sources: Microchip's datasheets portal (datasheets.com/microchip/atrf231usb-rd), the AVR2031 Quick Start Guide, AVR2032 User Guide, and AVR2030 Hardware User Manual application notes. AiPCBA lists a 1-page datasheet PDF published under Atmel branding, with a 4823KB datasheet file dated 2009-09-14 also indexed by FindIC.
How do I program the ATRF231USB-RD?
You program the board through its JTAG connector using a SAM-ICE adapter and JTAG emulator. According to Atmel application note AVR2031, the ATRF231USB-RD board attaches via its JTAG connector to the SAM-ICE adapter, which programs a new image into the ARM Cortex-M3 MCU over a standard 20-pin ARM JTAG interface connected to the PC.
What is the price of ATRF231USB-RD?
Current pricing is quoted through distributors rather than listed publicly at scale: Octopart compares bulk discounts from 1 distributor for ATRF231USB-RD, and resellers such as Ampheo, AIChipLink, Kynix, and Sierra IC provide stock and quote-based pricing. Because this board is discontinued/quote-based, contact XAIPART or these distributors for a current quotation as of 2026-09-19.
Is ATRF231USB-RD still in production?
The ATRF231USB-RD is a legacy Atmel-era product and is not listed as an active catalog item; distributor listings remain quote-based and stock is limited. The underlying AT86RF231 radio is likewise a legacy part. For new designs, Microchip steers users toward newer 802.15.4 platforms such as the ATSAMR21 family; the ATRF231USB-RD remains useful for maintaining existing designs.
What is the difference between ATRF231USB-RD and ATSAMR21-XPRO?
The ATRF231USB-RD pairs a discrete AT86RF231 transceiver with an external ATSAM3S4BA Cortex-M3 MCU in a USB-stick reference design, while the ATSAMR21-XPRO is an evaluation kit for the ATSAMR21G18A, an SoC integrating an ARM Cortex-M0+ with the AT86RF233 radio on one die. Per Utmel's comparison, both target 802.15.4 evaluation, but the XPRO is the more modern, extendable platform.
ATRF231USB-RD vs ATWINC1500-XSTK - which should I use?
Choose based on the wireless standard: the ATRF231USB-RD targets IEEE 802.15.4 / ZigBee mesh networking at 2.4 GHz, whereas the ATWINC1500-XSTK targets Wi-Fi connectivity. Utmel lists all three kits in a side-by-side comparison. For 802.15.4 sensor mesh prototyping the ATRF231USB-RD (or the newer ATSAMR21-XPRO) is the correct tool; for Wi-Fi IoT applications, use the ATWINC1500-XSTK.
What is the best drop-in replacement for ATRF231USB-RD?
No true drop-in replacement exists because this is a complete USB-stick evaluation board, not a pin-compatible IC. The closest functional successor recommended for new 802.15.4 development is the Microchip ATSAMR21-XPRO, which evaluates the integrated ATSAMR21 (Cortex-M0+ plus AT86RF233-class radio). Existing AT86RF231 firmware concepts port to that platform, but the USB-stick hardware form factor itself is not reproduced.
Is the ATRF231USB-RD suitable for ZigBee development?
Yes, it is suitable for ZigBee and IEEE 802.15.4 development. The AT86RF231 is a 2.4/2.5 GHz IEEE 802.15.4-compliant radio transceiver, and the on-board ATSAM3S4BA Cortex-M3 can host MAC and application layers. Atmel's AliExpress-published guide describes the ATRF231 platform as ideal for ZigBee and mesh sensor networks with strong protocol compliance.
What USB drivers does ATRF231USB-RD need?
The board enumerates as a mass-storage device (MSD), and a specific driver must be installed pointing to the driver directory on the Atmel RF231USB's MSD drive. According to Atmel application note AVR2032, you select 'Search for the best driver in these locations', browse to the driver directory on the RF231USB's MSD, and press Next during installation.
What brand is the best equivalent for the ATRF231USB-RD outside Microchip?
For third-party 802.15.4 evaluation, common alternatives include TI's CC2530/CC2531-class USB evaluation hardware, which targets the same 2.4 GHz IEEE 802.15.4 / ZigBee space. According to a published platform comparison, the ATRF231 platform competes directly with CC2530 and nRF24L01+-based designs, offering protocol compliance and low-power operation as its differentiators. However, no cross-brand board is footprint-identical, as these are development kits.
What are the key specifications of ATRF231USB-RD engineers should know?
Key facts: it is a 2.4-2.5 GHz IEEE 802.15.4 RF transceiver evaluation board; the radio is the AT86RF231 and the controller is the ATSAM3S4BA ARM Cortex-M3; the form factor is a USB stick with USB host interface; programming uses a SAM-ICE JTAG emulator with a 20-pin ARM JTAG connector; reference documentation is Atmel AVR2030/2031/2032. It is a development tool, not a production component.
Where can I buy the ATRF231USB-RD online?
The ATRF231USB-RD is available through quote-based channels: DigiKey (part ATRF231USB-RD-ND), Ampheo, AIChipLink, Kynix, Sierra IC, and ic2ic.com list stock or sourcing options. Octopart reports 1 distributor offering bulk discounts. Since this is a legacy part, availability fluctuates; request a quotation from XAIPART as of 2026-09-19 for current stock and lead time.

エンジニアリング参考データ: ATRF231USB-RD — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the ATRF231USB-RD when you must develop against or maintain the discrete AT86RF231 radio: its reference layout, JTAG programming flow, and AVR2030/2031/2032 documentation make it the authoritative golden board for that silicon. Choose the ATSAMR21-XPRO instead for new 802.15.4 designs, since it evaluates the modern integrated ATSAMR21 SoC (Cortex-M0+ plus radio) with an active Xplained Pro ecosystem. Choose the ATWINC1500-XSTK if your application is Wi-Fi rather than 802.15.4 mesh networking. There is no drop-in replacement for the ATRF231USB-RD itself - it is a complete evaluation board, so hardware substitution is always functional rather than footprint-compatible. Expect quote-based sourcing with limited stock; for production hardware, design in the AT86RF231 chip (or its successor radio) on a custom PCB rather than deploying the stick.

代替品との比較

パラメータ この製品 ATSAMR21-XPRO ATWINC1500-XSTK
Product Type AT86RF231 + ATSAM3S4BA USB-stick evaluation board ATSAMR21G18A (integrated MCU+radio) Xplained Pro kit Wi-Fi module starter kit
Brand Microchip Technology (Atmel) Microchip Technology (Atmel) Microchip Technology (Atmel)
Wireless Standard IEEE 802.15.4 (2.4 GHz) IEEE 802.15.4 (2.4 GHz) Wi-Fi (IEEE 802.11 b/g/n)
Radio Device AT86RF231 discrete transceiver Integrated AT86RF233-class radio in SoC WINC1500 Wi-Fi module
Form Factor USB stick Full-size Xplained Pro evaluation board Starter kit with Xplained Pro boards

主な差別化要因

  • Discrete radio + external MCU architecture (vs ATSAMR21-XPRO)
  • USB-stick form factor (vs ATSAMR21-XPRO)
  • Published reference-design documentation (vs Third-party 802.15.4 kits (e.g. CC2530-class))

設計ノート

Treat the ATRF231USB-RD strictly as a development tool, not a production component. Final products must use the AT86RF231 chip on a custom PCB, which requires redoing antenna matching, RF layout, and regulatory (FCC/ETSI) compliance testing. Measured range and sensitivity from the USB-stick reference design will not transfer directly to a customer PCB because antenna, ground plane, and enclosure all shift RF performance.

Programming requires the correct JTAG chain: connect the board's JTAG connector to a SAM-ICE adapter, which presents a standard 20-pin ARM JTAG interface to the PC, as documented in Atmel application note AVR2031. Do not attempt to program the ATSAM3S4BA via USB alone - the USB interface enumerates as a mass-storage device for host communication, and driver installation (AVR2032) must point at the driver directory on the RF231USB MSD drive.

When evaluating the 2.4 GHz link in a lab, use the board as a golden reference: because the AT86RF231 sits on Atmel's published reference layout, any packet-error-rate difference between the reference board and your custom hardware isolates layout-induced degradation. The AVR2030 Hardware User Manual provides the board's full pin assignment table, which is the baseline for comparing RF decoupling and clock routing on your own design.

コンプライアンス情報

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
鉛フリー
Unknown
ハロゲンフリー
Unknown
紛争鉱物
Unknown

Compliance data not stated in the provided web data for this evaluation board. Development tools are typically not AEC-Q100 relevant.

データ検証日: 2026-09-19 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

ATRF231USB-RD ATRF231USB-RD datasheet PDF Microchip ATRF231USB-RD evaluation board AT86RF231 2.4GHz IEEE 802.15.4 evaluation board ATRF231USB-RD SAM-ICE JTAG programming ATRF231USB-RD vs ATSAMR21-XPRO ATRF231USB-RD replacement equivalent buy ATRF231USB-RD price stock ATRF231USB-RD ZigBee development kit AT86RF231 USB stick reference design how to program ATRF231USB-RD Atmel AVR2030 AVR2031 ATRF231USB user manual

関連部品&用語

Microchip Technology Atmel ATRF231USB-RD AT86RF231 ATSAM3S4BA ATSAMR21-XPRO ATWINC1500-XSTK IEEE 802.15.4 ZigBee ARM Cortex-M3 RF transceiver evaluation board development board SAM-ICE JTAG adapter USB stick form factor AVR2030 Hardware User Manual AVR2031 Quick Start Guide AVR2032 User Guide 2.4 GHz ISM band wireless sensor network
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