ATXMEGA32C3-AN - 32MHz 32KB Flash AVR Microcontroller | Microchip
Référence : ATXMEGA32C3-AN ✓ ActifATXMEGA32C3-AN Présentation
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, and peripherals into one device. The ATXMEGA32C3 belongs to the hierarchy of 8/16-bit microcontrollers, embedded processors, and programmable control ICs. Its AVR architecture combines an instruction set optimized for embedded control with event-system and interrupt resources that help coordinate timing-sensitive tasks without relying entirely on software polling.
Key features include 32 KB of Flash memory, 2 KB of EEPROM, 4 KB of SRAM, 50 general-purpose I/O pins, and a four-channel event system. The manufacturer describes the family as a programmable multilevel interrupt controller with 32 MHz processing. A 1.6 V to 3.6 V operating range supports low-voltage embedded systems, while the listed temperature rating of 105 C supports applications beyond conventional commercial temperature limits.
The ATXMEGA family architecture places communication and timing functions close to the CPU. The event system can connect peripherals through direct event channels, reducing CPU intervention for deterministic tasks. The four-channel event system is particularly useful for high-speed timing, sensor acquisition, and signal-generation workflows where predictable event relationships are more valuable than raw instruction throughput. Read-while-write Flash operation can also simplify firmware-update or boot-related implementations.
Typical uses include industrial control modules, compact sensor nodes, data-acquisition equipment, motor-control peripherals, communications equipment, and embedded accessories. Its 64-pin package provides substantially more I/O than smaller microcontroller packages while remaining manageable for automated assembly and multilayer PCB layouts. The 32 MHz clock rate and 32 KB memory footprint suit control-oriented designs that do not require a high-end processor or large graphical user interface.
Design around the 1.6 V to 3.6 V supply range, decoupling requirements, clock configuration, programming interface, and exposed peripheral pins specified in the manufacturer datasheet. Confirm boot-loader, USB, ADC, timer, and communications requirements during device selection because firmware and peripheral availability depend on the exact family variant. This page combines manufacturer specifications, purchasing guidance, and drop-in alternatives to support engineering evaluation.
For a new design, ATXMEGA32C3-AN offers a useful balance of processing speed, memory, real-time peripherals, and board area. It is most appropriate when deterministic event handling and AVR software compatibility matter more than the very small package area or low cost of a minimal 8-bit controller.
Alternatives de remplacement direct pour ATXMEGA32C3-AN — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ATXMEGA32C3-AN (même facteur de forme et même empreinte) — différant par Package, Event System Channels, Flash Memory, Core Architecture, RoHS Status.
ATXMEGA32C3-AU
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →ATXMEGA32C3-MH
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →ATXMEGA32C3-MHR
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →ATXMEGA32C3-AUR
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
ATXMEGA64D3-AU
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATXMEGA32C3-AN Valeurs maximales et caractéristiques électriques
| Microcontroller Type | 8/16-bit AVR XMEGA microcontroller |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 32 KB |
| Boot Code Section | 8 KB |
| EEPROM Memory | 2 KB |
| SRAM Memory | 4 KB |
| Flash Read-While-Write | Supported |
| Event System Channels | 4 channels |
| General-Purpose I/O Pins | 50 pins |
| Interrupt Controller | Programmable multilevel interrupt controller |
| Operating Voltage Range | 1.6 V to 3.6 V |
| Maximum Operating Temperature | 105 C |
| Boîtier | 64-TQFP, 14 x 14 mm |
| Type de montage | Surface mount |
| Environmental Category | Green |
| Programmable Memory | In-system programmable Flash |
Guide de configuration des broches du ATXMEGA32C3-AN 64-tqfp, 14 x 14 mm
Configuration des broches du ATXMEGA32C3-AN (boîtier 64-tqfp, 14 x 14 mm). 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 ATXMEGA32C3-AN.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ATXMEGA32C3-AN convient pour 6 applications: Industrial Sensor Acquisition, Motor Control and Automation, Communications Controller, Data Acquisition and Measurement, IoT Edge Node, LED Lighting Controller.
Industrial Sensor Acquisition
The ATXMEGA32C3-AN fits compact sensor-acquisition modules that must sample and process several inputs while maintaining deterministic control behavior. Its 32 MHz processing rate, four event-system channels, and programmable multilevel interrupt controller help coordinate peripheral events without depending entirely on software polling. The 32 KB Flash provides room for acquisition routines, filtering, calibration, and communications, while 2 KB EEPROM and 4 KB SRAM support configuration and working data. Use the device within its 1.6 V to 3.6 V supply range and confirm the required ADC, comparator, timer, and serial-interface functions in the manufacturer pin table.
Recommandé
Motor Control and Automation
The ATXMEGA32C3-AN is appropriate for small motor-control, actuator, and factory-automation modules where deterministic event handling matters. Its 32 MHz AVR core, four-channel event system, 50 general-purpose I/O pins, and multilevel interrupt controller can support timing-sensitive control loops and peripheral coordination. The 64-TQFP package exposes more I/O than a minimal controller, reducing the need for an external I/O expander when the design includes multiple sensors, gates, or status signals. Firmware and hardware reviews must confirm timer outputs, compare channels, communication pins, and any required electrical protection before using it in a motor-drive stage.
Recommandé
Communications Controller
The ATXMEGA32C3-AN can serve as the host controller in compact protocol-conversion, gateway, and communications-interface modules. The 32 MHz CPU supports responsive protocol handling, while 32 KB of Flash accommodates stack code, frame processing, and configuration logic. Its programmable interrupt controller helps service multiple serial events, and the four-channel event system can coordinate timing between communication and control peripherals. The 50 I/O pins provide useful status, direction, and handshake access in a 64-TQFP footprint. Before schematic release, verify the exact USART, SPI, TWI, USB, and interrupt assignments required by the selected firmware configuration.
Recommandé
Data Acquisition and Measurement
The ATXMEGA32C3-AN suits compact measurement instruments that combine sampling, timing, local processing, and data export. Its 32 MHz processing speed supports responsive calculation, while four event-system channels can coordinate timer events, capture functions, and peripheral triggers. The 32 KB Flash is sufficient for moderate application code, and the 2 KB EEPROM can retain calibration constants or setup information when the application requirements permit. With 50 I/O pins, the 64-TQFP package can connect sensors, references, displays, and communication logic. Validate converter characteristics, reference accuracy, input noise, and the available peripheral mix in the manufacturer datasheet.
Recommandé
IoT Edge Node
The ATXMEGA32C3-AN is useful in compact IoT edge nodes that combine sensing, local decisions, and low-speed communications. Its low 1.6 V to 3.6 V operating range supports battery-conscious and energy-efficient designs, while 32 MHz processing and the event system improve responsiveness without requiring a higher-power processor. The device can retain configuration in EEPROM, process data in its 4 KB SRAM, and use Flash for firmware and protocol handlers. The 64-TQFP package offers enough I/O for sensors and radio-control signals without a very small footprint. Verify low-power mode behavior, clock accuracy, and the exact communications peripheral availability for the production configuration.
Recommandé
LED Lighting Controller
The ATXMEGA32C3-AN can implement compact LED sequencing, dimming, and display-control systems because it combines 32 MHz processing with multiple timers, interrupts, and a four-channel event system. The event resources can organize periodic updates and synchronization tasks, while 50 I/O pins provide ample control and status connections in a 64-TQFP package. Its 32 KB Flash supports lighting effects and control logic, and EEPROM can preserve settings when the application requires nonvolatile configuration. Confirm timer channel output locations, PWM resolution, current-driver interfaces, and any dimming requirements in the manufacturer datasheet before assigning external LED-driver circuitry.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATXMEGA32C3-AN — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATXMEGA32C3-AU | ATXMEGA32C3-MH | ATXMEGA32C3-MHR | ATXMEGA32C3-AUR | ATXMEGA64D3-AU |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (14 x 14 mm) | 64-TQFP (14 x 14 mm) | 64-TQFP (14 x 14 mm) | 64-TQFP (14 x 14 mm) | 64-TQFP (14 x 14 mm) | 64-TQFP (14 x 14 mm) |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 64 KB |
Principaux différenciateurs
- Provides 32 KB Flash with read-while-write support in the selected 64-TQFP device (vs ATXMEGA64D3-AU)
- Combines 32 MHz processing with four hardware event channels (vs ATXMEGA32C3-AU)
- Offers 50 general-purpose I/O pins for distributed control interfaces (vs ATXMEGA32C3-MH)
Notes de conception
Design the supply network for the full 1.6 V to 3.6 V operating range and verify startup behavior at the lowest permitted voltage. Place the required bypass capacitors close to the device's supply and ground pins, keep the return-current path short, and confirm that the regulator has adequate margin for clock startup, analog peripherals, and I/O loading. Avoid allowing a downstream signal or peripheral to backfeed an I/O pin during reset or power-down.
Use the 64-TQFP land pattern from the manufacturer package drawing and preserve access to all programming and debug signals. Fanout should be designed for the actual peripheral assignment rather than a generic 64-pin symbol, because alternate functions can remap many port pins. Use short, direct routes for clock, communication, and event-sensitive signals, and provide a stable ground reference beneath the device to reduce return-path inductance.
Do not select an ATxmega32C3 ordering code solely by matching the base family name. Confirm the package, temperature grade, delivery format, memory configuration, and production programming requirements in the manufacturer ordering-information table. Also verify every shared PCB pin against the alternative device's pin description; a 64-TQFP package alone does not guarantee identical peripheral multiplexing or firmware compatibility.
Informations de conformité
The manufacturer listing identifies the component as green, but exact RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals declarations were not identified.
