ATXMEGA32D3-MN - 32MHz AVR Microcontroller | Microchip
Référence : ATXMEGA32D3-MN ✓ ActifATXMEGA32D3-MN Présentation
A microcontroller is an integrated semiconductor that combines a processor core, memory, and peripherals in one device. The AVR XMEGA family combines an 8/16-bit architecture with system integration features such as a four-channel event system and programmable multi-level interrupt handling. Within the product hierarchy, ATXMEGA32D3-MN is an embedded microcontroller, MCU, and programmable semiconductor designed for compact control and signal-processing systems.
The principal memory features include 32 KB of ISP Flash with read-while-write capability and a dedicated 4 KB boot section. Its 2 KB EEPROM supports nonvolatile data retention, while 4 KB of SRAM provides working memory for firmware execution. The 1.6 V to 3.6 V operating range permits integration with low-voltage embedded systems, and the listed maximum operating temperature is 105 °C for designs that require an extended industrial temperature range.
Communication and timing are central to embedded-control designs, and the device's 32 MHz operating speed provides the processing headroom needed for protocol handling, acquisition, and control tasks. Its event system can connect peripherals through configurable events, while programmable multi-level interrupt handling supports deterministic responses to external inputs and internal activity. These functions allow firmware to coordinate sensors, communications, timers, and actuator-control logic without relying entirely on continuous polling.
Typical uses include industrial equipment, sensor nodes, compact control panels, data-acquisition modules, and connected embedded products. The 64-pin VFQFN package supports access to a broad peripheral complement while allowing a compact board footprint. The exposed pad provides a dedicated thermal and electrical connection to the PCB, making copper-pour and thermal-management design important for reliable operation.
For layout, place the exposed-pad connection and decoupling capacitors according to the package drawing and recommended land pattern. Keep high-current return paths compact, preserve a continuous ground reference, and verify thermal performance at the highest expected ambient temperature and operating frequency. Firmware should also use the boot-code partition deliberately when update or recovery behavior is required.
This product page consolidates the exact manufacturer and distributor attributes, memory organization, package information, operating limits, related family devices, and practical engineering guidance into one structured reference for evaluating the ATXMEGA32D3-MN.
Alternatives de remplacement direct pour ATXMEGA32D3-MN — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Aucune alternative de remplacement direct disponible pour ce produit.
Demander des alternativesATXMEGA32D3-MN Valeurs maximales et caractéristiques électriques
| Product Type | 8/16-bit AVR XMEGA microcontroller |
| Fréquence d'horloge maximale | 32 MHz |
| Flash Memory | 32 KB |
| Boot Code Section | 4 KB |
| Flash Organization | 16K x 16 |
| Read-While-Write Flash | Supported |
| EEPROM | 2 KB |
| SRAM | 4 KB |
| Operating Voltage Range | 1.6 V to 3.6 V |
| Maximum Operating Temperature | 105 °C |
| Boîtier | 64-pin VFQFN with exposed pad |
| Type de montage | Surface mount |
| Event System | 4 channels |
| Programmable Multi-Level Interrupts | Supported |
| ISP Interface | Supported |
| Green Compliance | Green |
Guide de configuration des broches du ATXMEGA32D3-MN 64-pin vfqfn with exposed pad
Configuration des broches du ATXMEGA32D3-MN (boîtier 64-pin vfqfn with exposed pad). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour ATXMEGA32D3-MN.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ATXMEGA32D3-MN convient pour 6 applications: Industrial Equipment Control, Sensor Acquisition Node, Data Acquisition Module, Compact Control Panel, Connected Embedded Product, Programmable Automation Controller.
Industrial Equipment Control
The ATXMEGA32D3-MN fits compact industrial equipment controllers that coordinate sensors, timing, communications, and actuator logic. Its 32 MHz processing rate supports responsive firmware execution, while 32 KB of ISP Flash provides room for application and boot code. The four-channel event system and programmable multi-level interrupts help connect internal and external events efficiently. Its listed maximum operating temperature of 105 °C makes it a candidate for equipment with an extended ambient range. The exposed-pad VFQFN construction also requires careful PCB thermal design, continuous ground-copper placement, and local decoupling according to the manufacturer package guidance.
Recommandé
Sensor Acquisition Node
ATXMEGA32D3-MN can serve as the control and acquisition hub in a compact sensor node where several signals must be sampled and processed locally. The 4 KB SRAM supports working buffers, while 2 KB of EEPROM can retain calibration values or configuration records. Its 1.6 V to 3.6 V operating range fits low-voltage embedded systems when paired with an appropriate regulator and protection network. Programmable multi-level interrupt handling allows firmware to prioritize time-sensitive events. Board layout should preserve a quiet ground reference, place bypass capacitance close to supply pins, and route sensitive inputs away from switching-node and high-current return areas.
Recommandé
Data Acquisition Module
The ATXMEGA32D3-MN is appropriate for distributed data-acquisition modules that must condition inputs, manage events, and forward measurements through a local serial or network interface. Its 32 MHz clock provides processing headroom for acquisition logic and protocol handling, while read-while-write Flash operation can improve firmware update flexibility. The 4 KB boot-code section is useful for controlled recovery or application startup, although the complete boot strategy must be designed explicitly. For a 64-pin VFQFN implementation, maintain short return paths and connect the exposed pad to the required ground and thermal-copper structure specified by the manufacturer package drawing.
Recommandé
Compact Control Panel
ATXMEGA32D3-MN can support a compact human-interface or machine-control panel that combines local input handling, status indication, communications, and actuator control. Its 32 KB of ISP Flash accommodates panel firmware, 4 KB of SRAM handles active display and interface state, and the event system supports efficient peripheral coordination. The 1.6 V to 3.6 V supply range allows integration with low-voltage system rails, provided brownout, startup, and regulator behavior are checked in the final design. The dense VFQFN footprint requires accurate land-pattern construction and careful separation between sensitive interface routing and switching or display-related return currents.
Recommandé
Connected Embedded Product
The ATXMEGA32D3-MN is suitable for a low-power connected embedded product that requires deterministic peripheral handling alongside application firmware. Its programmable multi-level interrupts allow urgent events to take priority over background service routines, and the four-channel event system provides a hardware-oriented mechanism for linking peripheral actions. Memory is appropriate for compact applications that fit within 32 KB of Flash, 2 KB of EEPROM, and 4 KB of SRAM. A practical design must allocate the boot-code section, supervise communications retries, and avoid exhausting SRAM through buffering. Firmware updates should use the ISP-related programming workflow described in the manufacturer documentation.
Recommandé
Programmable Automation Controller
ATXMEGA32D3-MN can act as the programmable controller in automation equipment that must sequence discrete outputs, monitor inputs, and react to timed or asynchronous events. The 32 MHz operating speed supports responsive control tasks, while EEPROM permits nonvolatile retention of operating parameters and calibration data. Programmable multi-level interrupts help separate urgent fault handling from lower-priority communication and logging work. Its listed 105 °C maximum operating temperature is relevant to warm industrial environments, although enclosure heat rise still affects the junction condition. PCB implementation should provide an uninterrupted ground plane, robust exposed-pad copper, and deliberate placement of I/O protection components.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATXMEGA32D3-MN — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATXMEGA32D3-AU | ATXMEGA32D3-AN | ATXMEGA256D3-ANR |
|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Family | AVR XMEGA D3 | AVR XMEGA D3 | AVR XMEGA D3 | AVR XMEGA D3 |
Principaux différenciateurs
- Provides a specified 105 °C maximum operating temperature (vs ATXMEGA32D3-AU)
- Uses a compact 64-pin VFQFN package with an exposed pad (vs ATXMEGA32D3-AN)
- Combines 32 KB Flash, 2 KB EEPROM, and 4 KB SRAM (vs ATXMEGA256D3-ANR)
- Includes a four-channel event system and programmable multi-level interrupts (vs ATXMEGA32D3-AU)
Notes de conception
Use the exposed pad as both a ground connection and a thermal path, following the manufacturer package drawing for the exact via and copper-land configuration. Keep the pad region free of high-current routing splits, use multiple thermal vias where the recommended pattern permits, and provide uninterrupted ground copper beneath the device. Validate the final junction and enclosure temperature at 32 MHz because ambient temperature alone does not describe the thermal operating condition.
Place input and output decoupling capacitors close to their associated supply pins, with short ground connections into the nearest uninterrupted ground plane. The VQFN package has no long package leads, so trace geometry, paste volume, reflow profile, and exposed-pad workmanship determine assembly reliability. Follow the manufacturer land pattern exactly; substituting a generic 64-pin QFN footprint may produce electrical or soldering defects.
Do not confuse the 4 KB boot-code partition with general application Flash when sizing firmware, and avoid updates that unintentionally overwrite the configured boot area. The device also has finite SRAM of 4 KB and EEPROM of 2 KB, so buffer sizes, wear leveling, and update handling must be included in firmware planning. Use the manufacturer programming and memory-protection procedures for ISP operations.
Route sensitive inputs away from switching power stages, high-current return paths, and edges that can create coupled noise. Preserve a continuous ground reference under signal routes, use a solid ground plane where practical, and keep decoupling current loops compact. Event-driven firmware should also allow adequate settling time before sampling so that software timing does not compensate for poor PCB return paths.
Informations de conformité
The Mouser product listing identifies ATXMEGA32D3-MN as Green, but no separate RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations are identified. Obtain the current manufacturer declarations before making a compliance claim.
