ATXMEGA8E5-MU - 32MHz 8KB Flash 32-QFN Microcontroller | Microchip
N.º de pieza: ATXMEGA8E5-MU ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $6.9358 | $6,94 |
| 10 | $6.9358 | $69,36 |
| 100 | $6.9358 | $693,58 |
| 500 | $6.9358 | $3.467,90 |
| 1.000 | $6.9358 | $6.935,80 |
ATXMEGA8E5-MU Descripción general
A microcontroller is a programmable integrated circuit that combines a CPU core, nonvolatile program memory, working memory, and peripherals on one die. Within the semiconductor hierarchy, the ATXMEGA8E5 belongs to the 8/16-bit microcontroller class and uses the AVR enhanced RISC architecture. It is suited to compact embedded-control systems that require deterministic timing, flexible event handling, and low-power operation without a separate external memory interface.
Key features include 8 KB of self-programmable Flash plus a 2 KB boot-code section, 1 KB of SRAM, 512 bytes of EEPROM, read-while-write capability, and operation up to 32 MHz. The 32-QFN package supports compact surface-mount layouts while providing the pin count associated with the XMEGA E5 family's peripheral-rich 32-pin devices. The family is also supported by the manufacturer product page and family data sheet.
Technically, the device combines a high-performance 8/16-bit AVR processor with dedicated event-system and interrupt resources. The event system allows peripherals to trigger actions without relying on software polling, which can reduce CPU latency in timing-sensitive designs. Its boot section supports in-system self-programming, while the EEPROM provides nonvolatile parameter storage separate from program Flash.
Typical uses include compact industrial controllers, low-power sensor nodes, embedded timing modules, communication peripherals, and consumer-control products. Designers should select external decoupling, clock, and programming support according to the manufacturer data sheet, and verify every board-level signal against the package pinout before layout release.
A key design consideration is the limited 8 KB Flash and 1 KB SRAM budget. Firmware and buffers should be sized conservatively, while avoiding blocking delays in event-driven control loops. The device is also available in a TQFP form, so package suffix and land pattern must not be interchanged.
This page consolidates verified manufacturer and distributor information, purchase-oriented pricing, and application-specific engineering guidance so engineers can assess the ATXMEGA8E5-MU before committing a PCB layout.
Alternativas directas para ATXMEGA8E5-MU — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ATXMEGA8E5-AU
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ATXMEGA8E5-MU-A
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ATXMEGA8E5-MU-NR
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ATXMEGA8E5-MU-T
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ATXMEGA8E5-MU-TR
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ATXMEGA8E5-MU Valores máximos y características eléctricas
| Product Type | 8/16-bit AVR XMEGA E5 microcontroller |
| Maximum CPU Frequency | 32 MHz |
| Program Flash Memory | 8 KB |
| Program Memory Organization | 4K x 16 |
| Boot Code Section | 2 KB |
| SRAM | 1 KB |
| EEPROM | 512 bytes |
| Event System Channels | 8 channels |
| Architecture | AVR enhanced RISC |
| Flash Features | In-system programmable with read-while-write capability |
| Interrupt Support | Programmable multi-level interrupt support |
| Encapsulado | 32-QFN (5x5 mm) |
| Tipo de montaje | Surface mount |
| Recuento de pines | 32 pins |
Guía de configuración de pines de ATXMEGA8E5-MU 32-qfn (5x5 mm)
Configuración de pines para ATXMEGA8E5-MU (encapsulado 32-qfn (5x5 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 ATXMEGA8E5-MU.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ATXMEGA8E5-MU es adecuado para 6 aplicacións: Compact Industrial Control Module, Low-Power Sensor Node, Embedded Timing and Motor-Control Front End, Communication Protocol Controller, Programmable Logic and Sequencer, Battery-Powered Consumer Accessory.
Compact Industrial Control Module
The ATXMEGA8E5-MU fits compact industrial-control modules that need deterministic event handling without a high-cost external processor. Its 8/16-bit AVR core operates up to 32 MHz, while the eight-channel event system can link peripheral activity and reduce the need for polling in control loops. The 1 KB SRAM and 8 KB Flash provide sufficient room for modest supervisory logic, but firmware must remain compact. Use the 32-QFN 5x5 mm package to reduce board area, and confirm supply, clock, and pin details against the manufacturer data sheet before industrial deployment.
Recomendado
Low-Power Sensor Node
The ATXMEGA8E5-MU is suitable for low-power sensor nodes that use periodic sampling and an event-driven firmware structure. Its confirmed 32 MHz maximum clock provides ample execution headroom, while the 1 KB SRAM and 512-byte EEPROM support short measurement buffers and persistent configuration data. The eight-channel event system can coordinate timer, communication, and peripheral events more efficiently than continuous polling. The available excerpts do not provide numerical sleep-current specifications, so battery sizing must use the manufacturer electrical characteristics rather than assumed current values.
Recomendado
Embedded Timing and Motor-Control Front End
The ATXMEGA8E5-MU can serve as the timing front end for compact motor-control or sequencing subsystems because its eight-channel event system supports hardware-oriented event routing and its 32 MHz CPU handles time-critical supervisory logic. The 8 KB Flash and 1 KB SRAM favor small control loops with disciplined data flow, while programmable multi-level interrupts support prioritized fault and status handling. Its QFN footprint also shortens PCB routing compared with a larger leaded package. Final selection must include checking timer, comparator, I/O, and motor-drive requirements in the full family documentation.
Recomendado
Communication Protocol Controller
The ATXMEGA8E5-MU can act as a dedicated protocol controller beside a host processor when the interface requires modest framing logic, persistent configuration, and precise event timing. Its 32 MHz maximum operating frequency supports efficient 8/16-bit instruction throughput, while the eight-channel event system helps service multiple peripheral events. The 512-byte EEPROM can retain calibration or addressing data independently of program Flash. Because the verified excerpts do not enumerate UART, SPI, or CAN resources, each required interface must be confirmed before assigning the MCU to this role.
Recomendado
Programmable Logic and Sequencer
The ATXMEGA8E5-MU is appropriate for small programmable sequencers that combine deterministic I/O timing with a readable firmware architecture. Its programmable multi-level interrupts and eight-channel event system allow urgent tasks to be prioritized, while the 32 MHz CPU provides response beyond basic relay or pulse sequencing. The 8 KB Flash limit favors compact state machines and table-driven control, and the 1 KB SRAM requires disciplined buffer usage. Engineers should verify exact timer and I/O capabilities in the family data sheet and validate timing margins at the intended voltage and temperature.
Recomendado
Battery-Powered Consumer Accessory
The ATXMEGA8E5-MU can support compact consumer accessories where a low-cost microcontroller must coordinate buttons, indicators, and a serial peripheral. Its 32-QFN 5x5 mm package supports dense layouts, and the XMEGA E5 family's low-power positioning makes it useful for duty-cycled products. The 8 KB Flash and 1 KB SRAM are adequate for lean firmware, while the 512-byte EEPROM can store small configuration blocks. Designers must compare active and sleep current from the manufacturer data sheet, include all decoupling, and confirm the exact -MU ordering code before production release.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATXMEGA8E5-MU — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ATXMEGA8E5-AU | ATXMEGA8E5-MU-A | ATXMEGA8E5-MU-NR | ATXMEGA8E5-MU-T | ATXMEGA8E5-MU-TR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 32-QFN (5x5 mm) | 32-QFN (5x5 mm) | 32-QFN (5x5 mm) | 32-QFN (5x5 mm) | 32-QFN (5x5 mm) | 32-QFN (5x5 mm) |
| CPU Architecture | AVR enhanced RISC, 8/16-bit | AVR enhanced RISC, 8/16-bit | AVR enhanced RISC, 8/16-bit | AVR enhanced RISC, 8/16-bit | AVR enhanced RISC, 8/16-bit | AVR enhanced RISC, 8/16-bit |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Program Flash | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| EEPROM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes |
| Event System | 8 channels | 8 channels | 8 channels | 8 channels | 8 channels | 8 channels |
| Boot Code Section | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
Diferenciadores clave
- Compact 32-pin QFN implementation of the XMEGA E5 feature set (frente a ATXMEGA8E5-MU-TR)
- Confirmed 32 MHz operating headroom in a small 8/16-bit MCU (frente a ATXMEGA8E5-AU)
- Hardware event system reduces polling burden (frente a ATXMEGA8E5-MU-T)
- On-chip nonvolatile data and self-programming support (frente a ATXMEGA8E5-MU-NR)
Notas de diseño
Treat the 32-QFN 5x5 mm footprint as a compact but finite-routing challenge. Place all decoupling capacitors immediately adjacent to the intended supply and ground pins, keep the exposed thermal-pad connection consistent with the manufacturer land pattern, and verify the pin-one orientation against the package drawing. A successful schematic does not guarantee a manufacturable layout when high-speed edges or sensitive analog nodes are present, so complete signal-integrity and return-path checks before fabrication.
Budget the ATXMEGA8E5-MU's power path from verified data rather than generic assumptions. The supplied excerpts confirm a 32 MHz maximum clock but do not provide operating voltage or active-current figures, so supply sizing and capacitor selection remain open items. Review the manufacturer's electrical-characteristics table, set decoupling by its recommended network, and calculate worst-case supply droop using the maximum expected clock, peripheral load, and supply tolerance. Do not infer current consumption from the CPU frequency alone.
Use the eight-channel event system deliberately rather than reproducing every timing relationship in polling code. Map the required peripheral event sources to available channels in Atmel Studio or the selected AVR toolchain, reserve the highest-priority interrupt levels for faults and time-critical events, and keep shared event-routing lines away from noisy switching nodes. Because the verified excerpts do not provide the complete peripheral matrix, confirm channel availability and conflicts in the family data sheet before finalizing firmware.
The ATXMEGA8E5-MU has only 8 KB of program Flash and 1 KB of SRAM, so oversized libraries, recursive call chains, and large buffer declarations can cause memory exhaustion. Track Flash and RAM usage throughout development, reserve stack headroom for interrupts, and avoid placing large tables in SRAM when Flash storage is practical. Also do not substitute the TQFP ATxmega8E5-AU or another family member without checking its land pattern and ordering information.
Información de cumplimiento
The supplied manufacturer and distributor excerpts do not explicitly state the target's RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. A comparison webpage mentions RoHS and REACH for related devices, but that evidence was not treated as authoritative for ATXMEGA8E5-MU.
