ATXMEGA16E5-AU - 32MHz 16KB AVR Microcontroller | Microchip
N.º da peça: ATXMEGA16E5-AU ✓ AtivoATXMEGA16E5-AU Visão geral
An AVR XMEGA microcontroller is an enhanced RISC-based embedded processor designed for compact control systems requiring deterministic peripherals, efficient event handling, and flexible programming. The ATXMEGA E5 family combines flash program memory, SRAM, EEPROM, and programmable peripherals in one integrated circuit. Its architecture belongs to the MCU and embedded-microcontroller hierarchy, where software executes directly from embedded nonvolatile memory.
The ATXMEGA16E5-AU provides 16KB of ISP flash with read-while-write capability and an additional 4KB boot-code section. Its 2KB SRAM supports working data and stack operations, while 512B of EEPROM provides nonvolatile parameter storage. The eight-channel event system can coordinate timing between peripherals, helping reduce processor polling in applications that respond to precise external events.
The device operates from 1.6V to 3.6V and reaches a maximum clock frequency of 32MHz. Its 8/16-bit AVR enhanced RISC architecture supports efficient low-power control and combines compact code execution with 16-bit register-oriented processing. The ATXMEGA16E5 family is intended for applications balancing deterministic peripheral performance, memory capacity, and low power rather than high-volume graphics or extensive data storage.
Typical uses include industrial sensor nodes, building automation controllers, compact instrumentation, motor and valve control, low-power data loggers, and embedded interface modules. Its 32-pin TQFP package is practical for multilayer boards where a manageable lead pitch and inspectable surface-mount assembly are preferred over the smallest possible footprint.
Design around the manufacturer pin-description table, especially when assigning supply, reset, programming, clock, and communications functions. Confirm the startup, clock-source, sleep-mode, and brownout settings in the manufacturer datasheet, then validate timing for the highest-frequency operating condition. Do not infer pin multiplexing from device family naming alone because peripheral assignments can differ across XMEGA devices and package options.
This product record combines the exact ordering information, core memory capacities, clock specification, voltage range, package, and application context with practical design guidance and a pin-to-pin alternative review. It is intended to accelerate component identification, PCB planning, firmware qualification, and replacement decisions without treating nearby XMEGA devices as automatically interchangeable.
Alternativas drop-in para ATXMEGA16E5-AU — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ATXMEGA16E5-AU (mesmo formato e footprint) — diferindo em Package, SRAM, Boot Code Section, EEPROM, Temperature Grade.
ATXMEGA16E5-M4UR
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
ATXMEGA16E5-AU Classificações máximas e características elétricas
| Product Type | 8/16-bit AVR XMEGA E5 microcontroller |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage Range | 1.6 V to 3.6 V |
| Flash Memory | 16 KB (8K x 16) |
| ISP Flash Read-While-Write | Supported |
| Boot Code Section | 4 KB |
| EEPROM Memory | 512 B |
| SRAM | 2 KB |
| Event System Channels | 8 channels |
| Architecture | AVR enhanced RISC |
| Internal Register Width | 16 bit |
| Encapsulamento | 32-pin TQFP, 7 x 7 mm |
| Tipo de montagem | Surface mount |
| Temperature Grade | Industrial temperature |
| Environmental Status | Green |
Guia de Configuração de Pinos do ATXMEGA16E5-AU 32-pin tqfp, 7 x 7 mm
Configuração de pinos para ATXMEGA16E5-AU (pacote 32-pin tqfp, 7 x 7 mm). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para ATXMEGA16E5-AU.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
ATXMEGA16E5-AU é adequado para 7 aplicaçãos: Industrial Sensor Node, Building Automation Controller, Compact Instrumentation, Low-Power Data Logger, Motor and Valve Control, Embedded Communication Module, IoT Control Node.
Industrial Sensor Node
The ATXMEGA16E5-AU fits an industrial sensor node that periodically reads environmental or process signals and transmits compact status data. Its 32MHz AVR enhanced RISC core provides useful performance margin for protocol handling, while 2KB of SRAM supports working buffers and a 512B EEPROM can retain calibration constants or configuration identifiers. The 1.6V to 3.6V range supports low-voltage sensor rails when the selected external components match that operating range. Its eight-channel event system can coordinate timer and peripheral events, reducing processor polling in duty-cycled designs. Confirm the exact ADC resources, communications peripherals, and pin multiplexing in the manufacturer datasheet before assigning the sensor interface.
Recomendado
Building Automation Controller
The ATXMEGA16E5-AU can serve as a compact building-automation controller for lighting, HVAC interfaces, occupancy inputs, and digital equipment monitoring. The 16KB ISP flash provides a constrained but practical application-memory budget, while the separate 4KB boot-code section supports controlled firmware updates. Its 32MHz processing rate and eight event channels are useful for coordinating periodic sensing and actuator events without a large host processor. The 32-pin TQFP package also exposes enough pins for multiple interfaces on a multilayer PCB. Design the firmware around measured memory consumption, select suitable communications peripherals from the family, and confirm that watchdog, brownout, and sleep behavior meet the installation requirements.
Recomendado
Compact Instrumentation
The ATXMEGA16E5-AU is appropriate for compact instrumentation that acquires a limited number of analog inputs and presents measurements through a local interface. Its 32MHz core allows responsive control and calculation, while 2KB of SRAM and 512B of EEPROM balance temporary data handling with persistent configuration storage. The device operates from 1.6V to 3.6V, enabling integration into low-voltage measurement systems that use a 1.8V or 3.3V rail. The eight-channel event system can help synchronize acquisition and interface timing. Before finalizing the design, verify the required ADC resolution, sample-rate support, timer allocation, and peripheral multiplexing against the manufacturer pin and electrical tables.
Recomendado
Low-Power Data Logger
The ATXMEGA16E5-AU supports a duty-cycled data logger that wakes for sensor reading, stores a compact record, and returns to a low-power operating state. Its 1.6V to 3.6V range permits operation from low-energy system rails, and the 32MHz clock provides useful headroom for acquisition and buffer-management routines. The 2KB SRAM can hold temporary measurement batches, while 512B of EEPROM can preserve small configuration values. Firmware size must be evaluated because general application flash is 16KB and the 4KB boot-code region has a separate role. Validate wake timing, clock stability, retention requirements, and average-current targets on the assembled board rather than relying on nominal processing speed alone.
Recomendado
Motor and Valve Control
The ATXMEGA16E5-AU can control small motors, valves, or relay-based actuators in equipment where deterministic event handling matters more than very high processing throughput. Its eight-channel event system is suited to coordinating timer-driven actions and peripheral events, while the 16-bit internal working register supports efficient control calculations. The 32-pin TQFP provides a practical route to external drivers and sensors on a multilayer PCB. Because inductive loads introduce transients and noise, the final design must account for voltage limits, switching margins, grounding, and protection components. Use the manufacturer electrical limits and pin assignments to confirm that the selected actuator and driver topology are compatible with the 1.6V to 3.6V device range.
Recomendado
Embedded Communication Module
The ATXMEGA16E5-AU is suitable as the protocol controller in a compact communications module that bridges sensors or legacy equipment to a higher-level bus. Its 32MHz execution rate supports framing, checksums, and time-critical service routines, while 16KB of ISP flash can hold a focused protocol stack. The separate 4KB boot-code section may assist field-update logic, and the 2KB SRAM provides limited packet or message buffers. The device supports 1.6V to 3.6V operation, which can simplify integration with low-voltage transceivers when their requirements align. Before selecting the MCU for a specific interface, verify the required USART, SPI, or other peripheral resources and their assigned package pins in the manufacturer documentation.
Recomendado
IoT Control Node
The ATXMEGA16E5-AU can serve as the local control node in a small IoT device that samples a sensor, executes simple logic, and communicates status through a serial radio or network interface. Its 32MHz core provides ample speed for lightweight edge processing without requiring a high-power processor, and the eight-channel event system can coordinate periodic sampling and communications. The 2KB SRAM and 16KB ISP flash impose clear design limits, making compact data formats and careful code budgeting important. The 1.6V to 3.6V supply range is useful for low-voltage designs, but the complete sleep-current budget must include the radio, sensors, regulators, and board leakage. Confirm the chosen communications peripheral and pin multiplexing before committing the layout.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATXMEGA16E5-AU — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ATXMEGA16E5-M4UR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 32-TQFP (7x7) | 32-TQFP (7x7) |
| Maximum CPU Frequency | 32 MHz | 32 MHz |
| Flash Memory | 16 KB | 16 KB |
| Architecture | AVR enhanced RISC, 8/16-bit | AVR enhanced RISC, 8/16-bit |
| Orderable Configuration | ATXMEGA16E5-AU | ATXMEGA16E5-M4UR; M4 configuration |
Principais diferenciais
- Balanced memory configuration for compact embedded control (vs ATXMEGA16E5-M4UR)
- Read-while-write flash operation supports flexible firmware handling (vs ATXMEGA16E5-M4UR)
- Eight-channel event system reduces polling opportunities (vs ATXMEGA16E5-M4UR)
Notas de projeto
Design the 1.6V to 3.6V supply path so every external component remains compatible with the selected rail. Place the device's required decoupling capacitors at the pins specified by the manufacturer reference design, and keep the return path short. Validate brownout behavior, startup sequencing, and voltage ramps because a valid operating-voltage range alone does not guarantee correct behavior during power transitions.
Use the manufacturer pin-description table for all 32 TQFP assignments and preserve the exposed land pattern and paste geometry defined for the 7 x 7 mm package. Route programming, reset, clock, and communications lines away from noisy switching nodes. Because no complete numbered pin list is reproduced in this product record, do not infer assignments from another XMEGA E5 device.
Treat general application flash as 16KB and reserve the separate 4KB boot-code section for its intended function. Measure the final linked image, stack headroom in the 2KB SRAM space, and EEPROM usage against the 512B capacity. A close package match does not establish drop-in firmware equivalence, so verify boot, interrupt, brownout, clock, and peripheral-multiplexing settings before releasing a substitution.
Provide a clean, deterministic clock path and observe the maximum operating frequency, startup, and clock-source requirements from the manufacturer datasheet. For timing-sensitive interfaces, calculate setup and hold margins at 32MHz and account for board capacitance and peripheral output delay. Use the event system for precise peripheral coordination only after assigning its channels and confirming the intended signal routing.
Informações de conformidade
The distributor listing identifies the part as industrial temperature and green, but no explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declaration was established for this exact ordering code.
