ATXMEGA32C4-MH - 32MHz 32KB AVR Microcontroller | Microchip
N.º de pieza: ATXMEGA32C4-MH ✓ ActivoATXMEGA32C4-MH Descripción general
An AVR XMEGA microcontroller is a low-power, high-performance 8/16-bit embedded controller that combines a RISC processor core, flash program memory, data memories, event handling, communications, timers, analog interfaces, and other peripherals on one integrated circuit. Its position in the embedded hierarchy is microcontroller, which combines processor, memory, peripherals, and interfaces into a compact system-on-chip device for embedded control.
Verified device data identifies a maximum clock frequency of 32 MHz and 32 KB of Flash memory. The manufacturer datasheet states that the AVR enhanced RISC architecture executes instructions in one clock cycle, allowing CPU throughput to approach 1 MIPS per MHz. The -MH device is supplied in a 44-pin VQFN package measuring 7 x 7 mm and includes an exposed pad according to the distributor description.
The ATXMEGA32C4-MH is positioned for low-power embedded systems where an 8/16-bit RISC architecture, local Flash program storage, and a compact surface-mount package are useful. Its operating-voltage range covers common low-voltage rails, while the industrial-temperature designation supports applications requiring operation across an extended commercial temperature range. Exact SRAM, EEPROM, timer, analog, and communications details should be confirmed against the manufacturer device datasheet before final design release.
Typical application areas include industrial control modules, compact data-acquisition systems, communication equipment, low-power sensor nodes, general-purpose embedded controllers, and consumer or industrial products requiring an MCU with local program memory. These uses align with the device's verified 32 MHz clock, 32 KB Flash configuration, low-power AVR XMEGA architecture, and 44-VQFN package.
PCB design should reserve the exposed pad, maintain the manufacturer's recommended land pattern, and place decoupling capacitors close to the supply pins. Engineers should also confirm the complete pinout, peripheral mix, clock requirements, and operating limits in the Microchip device datasheet before schematic capture or footprint release.
This product record combines verified manufacturer and distributor information, structured electrical and packaging attributes, application guidance, and a documented assessment of drop-in replacement availability. Unlike a raw distributor listing, it also explains the device's architectural role, identifies the engineering data still requiring confirmation, and records why unrelated XMEGA devices are not presented as guaranteed drop-in alternatives.
Alternativas directas para ATXMEGA32C4-MH — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
No hay alternativas directas disponibles para este producto.
Solicitar alternativasATXMEGA32C4-MH Valores máximos y características eléctricas
| Device Type | 8/16-bit AVR XMEGA C4 microcontroller |
| CPU Architecture | AVR enhanced RISC architecture |
| Frecuencia de reloj máxima | 32 MHz |
| Flash Memory | 32 KB (16K x 16 bits) |
| Operating Voltage Range | 1.6 V to 3.3 V |
| Encapsulado | 44-VQFN, 7 x 7 mm |
| Recuento de pines | 44 pins |
| Exposed Pad | Present |
| Temperature Grade | Industrial temperature grade |
| Instruction Execution | Single clock cycle per instruction |
| Maximum CPU Throughput | Approaching 1 MIPS per MHz |
| Power Management | Low-power embedded microcontroller |
| Tipo de montaje | Surface mount |
Guía de configuración de pines de ATXMEGA32C4-MH 44-vqfn, 7 x 7 mm
Configuración de pines para ATXMEGA32C4-MH (encapsulado 44-vqfn, 7 x 7 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 ATXMEGA32C4-MH.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ATXMEGA32C4-MH es adecuado para 6 aplicacións: Industrial Control Modules, Low-Power Sensor Nodes, Communication Equipment, Compact Data-Acquisition Systems, Embedded Automation Products, Programmable Logic and Interface Products.
Industrial Control Modules
The ATXMEGA32C4-MH fits compact industrial control modules that require local program memory and an 8/16-bit control processor. Its verified 32 MHz clock and single-cycle AVR enhanced RISC execution provide throughput approaching 1 MIPS per MHz, while 32 KB of Flash provides room for control logic and application code. The 44-VQFN 7 x 7 mm package with an exposed pad supports dense PCB layouts, although the thermal land pattern must follow the manufacturer footprint. Because the device is identified as industrial-temperature grade, it is suitable for development platforms where operating-temperature requirements remain compatible with the complete datasheet limits.
Recomendado
Low-Power Sensor Nodes
The ATXMEGA32C4-MH can serve as the local controller in a low-power sensor node that must retain code and state while processing measurements. The manufacturer describes the XMEGA family as low-power and high-performance, and the verified device provides 32 KB of Flash at a 1.6 V to 3.3 V operating range. It is particularly relevant to compact sensor products that benefit from an 8/16-bit RISC core without adding external program memory. Final power-budget work should use the datasheet's active, idle, and sleep conditions together with the exact peripheral configuration; no unverified runtime-current figure is assumed here.
Recomendado
Communication Equipment
ATXMEGA32C4-MH is appropriate for communication equipment that needs protocol handling, control logic, and local firmware in a compact surface-mount package. Its verified 32 MHz AVR enhanced RISC core executes instructions in one clock cycle and approaches 1 MIPS per MHz, providing useful processing capacity for message framing, state machines, and supervisory logic. The 32 KB Flash configuration must be checked against firmware, bootloader, and update requirements. For designs using a serial host interface, the -CP2102N is a relevant USB-to-UART companion, although it is not an ATXMEGA-family drop-in replacement.
Recomendado
Compact Data-Acquisition Systems
The ATXMEGA32C4-MH can coordinate a compact data-acquisition subsystem that gathers sensor data and performs local processing before forwarding results. Its 32 MHz clock supports general control work, while 32 KB of Flash holds acquisition routines and communication firmware. The 1.6 V to 3.3 V operating range can simplify low-voltage rail integration, but analog accuracy, sample-rate requirements, reference quality, and the exact peripheral mix must be validated against the device datasheet. An I/O expander such as the PCA9536DR can add digital channels, while the TCA4311DR can provide a reference where the system architecture requires one.
Recomendado
Embedded Automation Products
The ATXMEGA32C4-MH is well matched to embedded automation products that combine local control, compact packaging, and low-voltage operation. Its 8/16-bit AVR enhanced RISC architecture is designed around single-cycle instruction execution, while the verified 44-VQFN package helps reduce board area compared with larger leaded devices. The industrial-temperature marking broadens its relevance for products operating outside typical consumer environments. Designers should account for the exposed pad in both assembly and thermal design, and should verify watchdog, timer, and communication features in the manufacturer datasheet before selecting it for a safety- or production-critical control function.
Recomendado
Programmable Logic and Interface Products
ATXMEGA32C4-MH can be used in programmable interface products where a microcontroller must coordinate inputs, outputs, configuration, and communication. Its 32 MHz operating rate and 32 KB Flash provide a defined resource envelope for protocol conversion, configuration storage, and supervisory control. The 44-VQFN footprint supports compact modules, but its fine pitch requires careful assembly planning and the exposed pad must be connected according to the manufacturer package drawing. A serial transceiver such as the MAX232DR can complement legacy RS-232 interfaces, while the PCA9515AD or PCA9517DR can support multi-node I2C arrangements.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATXMEGA32C4-MH — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto |
|---|---|
| Brand | Microchip Technology |
| Package | 44-VQFN (7 x 7 mm) |
| Maximum Clock Frequency | 32 MHz |
| Flash Memory | 32 KB (16K x 16 bits) |
| Operating Voltage | 1.6 V to 3.3 V |
| CPU Architecture | AVR enhanced RISC |
| Temperature Grade | Industrial |
| Unit Price | $4.54 as of 2026-10-30 |
Diferenciadores clave
- Defined 32 KB Flash resource without the memory-profile penalty of the 16 KB family member (frente a ATXMEGA16C4-MH)
- Higher verified operating clock than the lower-memory XMEGA comparison (frente a ATXMEGA16C4-MH)
- Avoids the fourfold memory expansion associated with the 128 KB comparison (frente a ATXMEGA128A4U-MH)
- Distinguishes an electrical device option from a non-distinct reel-code variant (frente a ATXMEGA32C4-MHR)
Notas de diseño
Use the manufacturer's 44-VQFN 7 x 7 mm footprint and preserve the exposed-pad geometry, solder mask, and paste pattern exactly as specified. Place the exposed-pad thermal vias within the pad region and observe the manufacturer's assembly restrictions for via filling or tenting. Fine-pitch perimeter pads also require a land pattern and solder mask derived from the package drawing rather than from nominal body dimensions alone.
Supply the MCU within its verified 1.6 V to 3.3 V operating range and confirm regulator tolerance, startup sequencing, and local decoupling against the complete Microchip electrical specification. Place the required bulk and bypass capacitors close to their associated supply and ground pins, and keep high-current return paths out of the sensitive decoupling area. Supply sequencing and power-up limits must be checked in the datasheet before system integration.
The exposed pad is the principal thermal path, so its copper connection and via pattern must be implemented even when CPU utilization is modest. Validate the final assembly with the actual enclosure, airflow, copper area, and worst-case operating condition. Because a verified package thermal-resistance value was not included in the supplied data, do not substitute a generic junction-temperature estimate; obtain the package-specific value from the manufacturer datasheet or approved thermal model.
Separate analog, communication, and digital-clock paths as required by the final peripheral allocation. Keep programming, reset, crystal, and decoupling connections short, and route high-current outputs away from sensitive inputs. Because the complete verified pin map was not available in the supplied results, cross-check every signal, power terminal, ground terminal, and exposed-pad connection against the official pinout before releasing the PCB.
Do not treat another XMEGA family member as interchangeable merely because it has a 44-pin package. ATXMEGA16C4-MH has 16 KB rather than 32 KB of Flash, ATXMEGA128A4U-MH has a substantially different memory profile, and ATXMEGA32D4 requires detailed pin and peripheral review. Validate clock, memory, power, package, peripheral, programming, and lifecycle requirements before approving any substitute.
Información de cumplimiento
The verified distributor data identifies industrial-temperature grading but does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. No compliance status has been inferred from the manufacturer name or package ordering code.
