ATXMEGA8E5-AUR - 32MHz 8KB AVR Microcontroller | Microchip Technology
MPN： ATXMEGA8E5-AUR ✓ 啟用中ATXMEGA8E5-AUR 概覽
An 8/16-bit microcontroller is a programmable semiconductor that executes firmware, reads sensors, controls outputs, and manages communication interfaces. The AVR XMEGA family uses an enhanced RISC architecture and provides dedicated event-system hardware, timers, serial interfaces, and analog peripherals. Within the broader hierarchy of embedded semiconductors, the ATXMEGA8E5-AUR is a microcontroller with integrated nonvolatile memory and mixed-signal peripherals rather than a general-purpose processor or discrete logic device.
The principal features include 32 MHz operation, 8 KB of in-system self-programmable flash with read-while-write capability, 1 KB of SRAM, 512 bytes of EEPROM, and an eight-channel event system. A programmable multi-level interrupt controller supports deterministic event handling, while the operating-voltage range of 1.6 V to 3.6 V supports low-voltage embedded systems. The device also provides the peripheral resources typical of an industrial-oriented XMEGA E5 design.
The ATxmega E5 architecture combines a high-performance AVR core with dedicated hardware for timers, communications, and event routing. Its event system can connect multiple peripheral events without requiring continuous central-processor polling, helping reduce interrupt overhead in control loops. Flash memory supports in-system programming, and the dedicated boot section allows firmware to reserve space for application startup or field-update routines. The 32-pin TQFP package exposes the GPIO, power, ground, reset, clock, and analog-reference connections required by the family device.
Typical uses include industrial sensor nodes, compact motor-control modules, building-automation controllers, instrumentation peripherals, low-power monitoring equipment, and embedded communication gateways. The combination of 8 KB flash, 1 KB SRAM, and an event system is useful when a compact control product requires deterministic peripheral interactions without the memory overhead of a larger application processor.
Designers should budget flash and SRAM carefully because the ATXMEGA8E5-AUR is optimized for compact control tasks rather than large graphical or network-heavy workloads. External decoupling, careful clock routing, and a stable reference design remain important at 32 MHz. The 32-pin TQFP footprint also requires a PCB layout that provides adequate copper access around the exposed leads.
This product page combines the manufacturer’s technical specifications, pin-package guidance, verified source links, and application-focused design guidance. It also explains the limitations of currently confirmed replacement parts so engineers can distinguish a true same-footprint option from a device that merely belongs to the same AVR family.
直接替換替代品，適用於 ATXMEGA8E5-AUR — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ATXMEGA8E5-AUR （相同外形與佔位） — 差異在於 Event System, Flash Memory, Package, Product Type.
ATXMEGA8E5-ANR
✅ 直接替換聯絡詢價
查看資料表 →ATXMEGA8E5-AUR 最大額定值與電氣特性
| Product Type | 8/16-bit RISC Flash Microcontroller |
| Architecture | AVR enhanced RISC |
| Series | AVR XMEGA E5 |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 8 KB (4K x 16) |
| Boot Section | 2 KB |
| SRAM | 1 KB |
| EEPROM | 512 bytes |
| Operating Voltage Range | 1.6 V to 3.6 V |
| Event System | 8 channels |
| Program Memory Type | In-system self-programmable Flash |
| Read-While-Write Capability | Supported |
| 封裝 | 32-pin TQFP |
| Package Dimensions | 7 mm x 7 mm |
| 安裝類型 | Surface Mount |
| Temperature Grade | Industrial |
| Green Compliance | Green |
ATXMEGA8E5-AUR 7 mm x 7 mm 腳位配置指南
ATXMEGA8E5-AUR（7 mm x 7 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： ATXMEGA8E5-AUR.
請參閱 資料表 以查看完整腳位配置。
典型應用
ATXMEGA8E5-AUR 適用於 6 應用s: Industrial Sensor Node, Building Automation Controller, Compact Motor-Control Module, Low-Power Monitoring Equipment, Instrumentation Signal Interface, Embedded Communication Gateway.
Industrial Sensor Node
The ATXMEGA8E5-AUR fits compact industrial sensor nodes because its 1.6 V to 3.6 V operating range supports low-voltage sensing platforms while the 32 MHz AVR core handles sampling logic, configuration, and local diagnostics. Its eight-channel event system can route timer and peripheral events directly, reducing processor polling in systems that must respond predictably. The 8 KB flash stores application firmware, and the separate 2 KB boot section can support controlled startup or update routines. Use the manufacturer pin configuration to place decoupling capacitors, clock components, and programming interfaces correctly.
推薦
Building Automation Controller
For building-automation endpoints, the ATXMEGA8E5-AUR can consolidate periodic sensing, actuator control, and communication handling in a low-power embedded controller. Its programmable multi-level interrupt system and eight-channel event system support deterministic handling of timers, external inputs, and peripheral events, while 1 KB of SRAM is suitable for compact protocol buffers. The 1.6 V to 3.6 V range simplifies integration with low-energy sensor rails. Keep the device away from noisy switching stages and follow the manufacturer’s recommended power and layout practices.
推薦
Compact Motor-Control Module
The ATXMEGA8E5-AUR is suitable for compact motor-control modules that require fast event coordination, local control logic, and a small memory footprint. Its eight-channel event system can connect timer and peripheral events for deterministic commutation or control sequencing, while the 32 MHz CPU provides room for supervisory logic and diagnostics. The 512-byte EEPROM can retain calibration values. Designers should verify the exact timer, analog, and PWM resources against the datasheet and isolate motor noise from sensitive control circuitry.
推薦
Low-Power Monitoring Equipment
The ATXMEGA8E5-AUR works well in battery-assisted monitoring equipment where a 1.6 V to 3.6 V supply and compact memory are important. Its low-power XMEGA E5 platform can remain in resource-saving operating states between measurements, while the event system allows scheduled sensor activity to occur without continuous polling. Nonvolatile 8 KB flash stores firmware, 512-byte EEPROM retains small configuration records, and the 32-pin TQFP package supports a compact board. Actual battery performance depends on sleep-mode settings, sensor current, and leakage.
推薦
Instrumentation Signal Interface
The ATXMEGA8E5-AUR can serve as the supervisory controller in compact instrumentation interfaces that combine measurement acquisition, calibration storage, and a communications link. Its 32 MHz processing rate supports protocol handling and control tasks, while 512 bytes of EEPROM are useful for small calibration tables and the 2 KB boot section can support controlled initialization. The 1.6 V to 3.6 V range integrates naturally with low-voltage sensor front ends. Confirm analog-channel availability, reference-voltage requirements, and acquisition timing in the manufacturer datasheet before finalizing the signal path.
推薦
Embedded Communication Gateway
The ATXMEGA8E5-AUR is appropriate for small communication gateways that translate sensor or control data rather than perform high-end protocol processing. Its 8 KB flash accommodates focused firmware, 1 KB of SRAM supports limited packet handling, and the event system can coordinate serial reception, timers, and status indicators. The 32-pin TQFP package provides access to the E5 family’s GPIO and communication peripherals in a surface-mount design. Select it when firmware size remains controlled; move to a larger E5 device when buffering, protocol stacks, or concurrent services exceed the available memory.
推薦
推薦產品摘要
工程參考資料，適用於 ATXMEGA8E5-AUR — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ATXMEGA8E5-ANR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 32-pin TQFP | 32-pin TQFP |
| Maximum CPU Frequency | 32 MHz | 32 MHz |
| Flash Memory | 8 KB | 8 KB |
| SRAM | 1 KB | 1 KB |
| EEPROM | 512 bytes | 512 bytes |
| Operating Voltage Range | 1.6 V to 3.6 V | 1.6 V to 3.6 V |
| Event System | 8 channels | 8 channels |
| Architecture | AVR enhanced RISC | AVR enhanced RISC |
主要差異化特點
- Compact 8 KB Flash configuration within the 32-pin E5 family (對比ATXMEGA8E5-ANR)
- Deterministic peripheral event handling (對比ATXMEGA8E5-ANR)
- Low-voltage operation in a compact surface-mount footprint (對比ATXMEGA8E5-ANR)
設計說明
Route the 32-pin TQFP footprint from the manufacturer package drawing and preserve access to all programming and reset pins. Place the required input and output decoupling capacitors adjacent to their corresponding power pins, and keep clock-trace routing short. Because the ATXMEGA8E5-AUR can operate at 32 MHz, minimize long parallel runs beneath noisy digital or switching nodes.
Design the supply path for the documented 1.6 V to 3.6 V operating range, including startup and transient requirements for connected peripherals. Use separate low-impedance branches where practical for the MCU and analog circuitry. Verify brownout behavior, clock stability, and the voltage required by attached sensors rather than assuming that the MCU supply range alone covers the complete board.
Do not select a higher-memory ATxmega E5 device as a direct substitute solely because it uses a similar package. The 16E5 and 32E5 variants increase Flash and SRAM relative to the 8E5 device, changing code and memory planning. When considering ATXMEGA8E5-ANR, confirm its suffix-specific temperature grade, pin definitions, programming configuration, and qualification requirements before releasing it to production.
Use the event-system capability to avoid unnecessary polling, but preserve deterministic timing through correctly configured peripherals and interrupts. Keep analog inputs away from switching-node currents and high-speed clock traces. If the board includes an external oscillator, follow the manufacturer’s recommended oscillator and load-capacitor arrangement to avoid startup failures or clock drift.
合規資訊
The product listing identifies the ATXMEGA8E5-AUR as an industrial-temperature, green device. RoHS, REACH, lead-free, halogen-free, conflict-minerals, and AEC-Q100 status were not established by the cited product records.
