ATXMEGA32D4-AN - 32MHz 32KB Flash AVR Microcontroller | Microchip
N.º de pieza: ATXMEGA32D4-AN ✓ ActivoATXMEGA32D4-AN Descripción general
An AVR XMEGA microcontroller combines a reduced-instruction-computing core with extensive mixed-signal and connectivity peripherals. The ATXMEGA32D4-AN belongs to the XMEGA D4 family and combines in-system programmable flash, read-while-write operation, an event system, a programmable multilevel interrupt controller, and a 16-bit real-time counter. These resources make it suitable for embedded control systems requiring deterministic peripheral coordination and flexible low-power behavior.
The device provides 32 KB of ISP flash, including a dedicated 4 KB boot-code section, together with 4 KB of SRAM and 1 KB of EEPROM. Read-while-write flash supports convenient firmware updates, while the boot section allows application code to invoke a bootloader without consuming the main program area. The microcontroller also provides 34 general-purpose I/O lines for mixed analog and digital interfaces.
Its four-channel event system can route signals directly between peripherals, reducing processor involvement for time-critical tasks. The device includes four flexible 16-bit timer/counters with compare and PWM channels, two USARTs, two two-wire serial interfaces, and two SPI interfaces. A 16-bit real-time counter and a 12-bit ADC support industrial measurement, timing, monitoring, and control applications where a larger 8-bit peripheral set is useful.
Typical uses include industrial sensor nodes, motor and actuator controllers, instrumentation interfaces, building-control modules, and low-power embedded data-acquisition equipment. The 32 MHz operating speed supports responsive control loops, while the XMEGA event system improves peripheral timing without requiring continuous interrupt servicing.
Designers should preserve the device’s voltage, decoupling, clock, programming, and reset requirements from the manufacturer datasheet. In particular, use the specified supply range, provide suitable local bypass capacitance at VCC and AVCC pins, and verify programming signals and peripheral mappings against the package pinout before releasing a PCB.
This product page combines manufacturer specifications, package details, design guidance, application fit, and a pin-compatible family alternative to support faster engineering evaluation and sourcing decisions.
Alternativas directas para ATXMEGA32D4-AN — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ATXMEGA32D4-AN (mismo factor de forma y huella) — difiere en Flash Memory, Package, ADC Resolution, EEPROM Memory, Event System Channels.
ATXMEGA32D4-AU
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Ver hoja de datos →ATXMEGA32D4-AN Valores máximos y características eléctricas
| Microcontroller Type | 8/16-bit AVR XMEGA microcontroller |
| Frecuencia de reloj máxima | 32 MHz |
| Flash Memory | 32 KB |
| Boot Code Section | 4 KB |
| EEPROM Memory | 1 KB |
| SRAM | 4 KB |
| General-Purpose I/O | 34 lines |
| Event System | 4 channels |
| Timer/Counters | 4 flexible 16-bit timer/counters |
| Real-Time Counter | 16-bit |
| USART | 2 |
| Two-Wire Serial Interfaces | 2 |
| SPI Interfaces | 2 |
| ADC Resolution | 12-bit |
| Operating Voltage | 1.6 V to 3.6 V |
| Temperatura de funcionamiento | -40°C to +105°C |
| Encapsulado | 44-pin TQFP, 10 mm x 10 mm |
| Tipo de montaje | Surface mount |
| Programming | In-system programmable flash with read-while-write |
| Program Memory Type | Flash |
Guía de configuración de pines de ATXMEGA32D4-AN 44-pin tqfp, 10 mm x 10 mm
Configuración de pines para ATXMEGA32D4-AN (encapsulado 44-pin tqfp, 10 mm x 10 mm). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para ATXMEGA32D4-AN.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ATXMEGA32D4-AN es adecuado para 6 aplicacións: Industrial Sensor and Measurement Node, Motor and Actuator Controller, Building Automation Controller, Data Acquisition and Instrumentation, Communications Gateway, Real-Time Timing Module.
Industrial Sensor and Measurement Node
The ATXMEGA32D4-AN fits compact measurement nodes that must combine analog sensing with flexible digital connectivity. Its 12-bit ADC, 34 general-purpose I/O lines, and 1.6 V to 3.6 V operating range support low-voltage sensor interfaces, while two USARTs, two SPI interfaces, and two two-wire serial interfaces provide several ways to connect sensors and local converters. The 32 MHz CPU and four 16-bit timer/counters support responsive sampling and timing. The four-channel event system can also route peripheral events directly, reducing processor intervention during time-critical acquisition sequences.
Recomendado
Motor and Actuator Controller
The ATXMEGA32D4-AN is suitable for motor, valve, and actuator control where several timers and deterministic event routing are valuable. Four flexible 16-bit timer/counters provide PWM, compare, and timing resources, while the 34 I/O lines support encoders, switches, gate drives, and status signals. At 32 MHz, the AVR core can execute control calculations and communicate with a host through USART or SPI. The event system can link timer outputs directly to other peripherals, helping reduce software latency in time-sensitive control routines.
Recomendado
Building Automation Controller
The ATXMEGA32D4-AN can serve as a local building-automation controller for lighting, climate, access, and environmental equipment. Its low 1.6 V to 3.6 V supply range, -40°C to +105°C temperature rating, and 34 I/O lines support compact embedded control boards. Two USARTs and two two-wire serial interfaces allow local sensor and actuator networks, while the four timer/counters handle periodic sampling and output timing. The 4 KB SRAM and 32 KB flash provide capacity for protocol handling and application logic within a small 44-pin TQFP footprint.
Recomendado
Data Acquisition and Instrumentation
The ATXMEGA32D4-AN is appropriate for instrumentation that combines a 12-bit ADC with multiple digital interfaces and precision timing. The four 16-bit timer/counters can coordinate sampling intervals, capture timing, and generate test waveforms, while the event system connects internal signals without continuous processor intervention. Four KB of SRAM supports buffering, and 1 KB of EEPROM can retain calibration parameters. Its 1.6 V to 3.6 V operating range also allows integration with low-voltage analog and mixed-signal circuitry.
Recomendado
Communications Gateway
The ATXMEGA32D4-AN can bridge industrial or embedded serial equipment through its two USARTs, two SPI interfaces, and two two-wire serial interfaces. At 32 MHz with 4 KB of SRAM and 32 KB of flash, it can execute framing, protocol conversion, status collection, and local configuration tasks. The programmable interrupt controller and four-channel event system help coordinate incoming and outgoing events, while the boot-code section supports application updates. The 44-pin TQFP package provides a practical option for compact gateways requiring both communications and control functions.
Recomendado
Real-Time Timing Module
The ATXMEGA32D4-AN fits timing modules that need a dedicated 16-bit real-time counter alongside four flexible timer/counters. The real-time counter can support calendar, elapsed-time, or periodic scheduling tasks, while the flexible timers provide compare, capture, and PWM functions. Two USARTs and two SPI interfaces allow synchronized devices to be monitored or configured. The low 1.6 V to 3.6 V supply range and -40°C to +105°C rating suit compact industrial timing equipment operating away from conventional office environments.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATXMEGA32D4-AN — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ATXMEGA32D4-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP, 10 mm x 10 mm | 44-pin TQFP |
| Maximum Clock Frequency | 32 MHz | 32 MHz |
| Flash Memory | 32 KB | 32 KB |
| SRAM | 4 KB | 4 KB |
| EEPROM | 1 KB | 1 KB |
| Operating Voltage | 1.6 V to 3.6 V | 1.6 V to 3.6 V |
| General-Purpose I/O | 34 lines | 34 lines |
| Timer/Counters | 4 flexible 16-bit timer/counters | 4 flexible 16-bit timer/counters |
| Event System | 4 channels | 4 channels |
| Communications Interfaces | 2 USART, 2 SPI, 2 TWI | 2 USART, 2 SPI, 2 TWI |
Diferenciadores clave
- Directly timed peripheral event routing (frente a ATXMEGA32D4-AU)
- 32 MHz processing with four flexible 16-bit timer/counters (frente a ATXMEGA32D4-AU)
- Balanced embedded memory configuration (frente a ATXMEGA32D4-AU)
Notas de diseño
Keep the ATXMEGA32D4-AN within its specified 1.6 V to 3.6 V supply range and treat analog and digital supply requirements separately. Place the manufacturer-recommended bypass capacitors directly beside the relevant VCC and AVCC pins, with short return paths to their ground connections. A common supply-distribution network can simplify routing, but every analog domain should still meet the voltage and decoupling requirements stated in the Microchip family datasheet.
Use the 44-pin TQFP package drawing to establish the land pattern and confirm pin 1 orientation before routing. Keep traces to power, ground, reset, and clock pins short, and provide adequate via access around ground pins. The four-channel event system can reduce software timing overhead, but external clock, communication, and analog signals still require deliberate routing to avoid introducing noise into the 12-bit conversion results.
Do not assume that two XMEGA D4 ordering codes are automatically interchangeable. Before replacing ATXMEGA32D4-AN with ATXMEGA32D4-AU, compare the package drawing, temperature treatment, flash organization, boot section, supply limits, pin functions, and programming requirements in the manufacturer documentation. Also preserve the dedicated reset and programming connections so the finished board remains serviceable after substitution.
Información de cumplimiento
The -40°C to +105°C temperature rating supports industrial use but does not itself establish AEC-Q100 qualification. Compliance declarations must be confirmed for the exact ordering code.
