ATXMEGA64D3-AN - 32MHz 64KB AVR Microcontroller | Microchip
MPN: ATXMEGA64D3-AN ✓ פעילATXMEGA64D3-AN סקירה
An 8/16-bit microcontroller is a programmable semiconductor that integrates a CPU core, nonvolatile program memory, data memory, and peripherals into one device. The ATXMEGA64D3 belongs to the XMEGA family within the broader hierarchy of AVR microcontrollers, embedded processors, and semiconductor components. Its 16-bit timer and counter architecture supports precise measurement and control, while its 32 MHz operation provides useful performance headroom for industrial, communications, and consumer applications.
The device includes 64 KB of ISP flash with read-while-write capability, including a dedicated 4 KB boot-code section. Its 2 KB EEPROM supports nonvolatile parameter storage, and its 4 KB SRAM provides working memory for control routines, buffering, and protocol handling. Fifty general-purpose I/O lines allow connection to sensors, displays, communication transceivers, and actuators without relying entirely on external peripheral devices.
The peripheral set includes a four-channel event system, a programmable multilevel interrupt controller, a 16-bit real-time counter, and five flexible 16-bit timer/counters with compare and PWM modes. These resources enable deterministic event routing, accurate timing, motor-control functions, and multi-channel waveform generation. The event system is especially useful for synchronizing hardware actions independently of main-loop software scheduling.
Typical applications include industrial controllers, data acquisition equipment, communications modules, motor-control systems, building automation, and low-power embedded products. The combination of XMEGA timing peripherals and 50 GPIO lines makes the microcontroller appropriate for systems that need deterministic peripheral behavior while retaining a modest, cost-conscious 8/16-bit architecture.
Designers should pay close attention to supply voltage, clock configuration, programming interfaces, and decoupling when laying out a PCB. The manufacturer datasheet provides the authoritative pin descriptions, electrical limits, startup requirements, and programming connections for each 64-pin TQFP signal. Allow the configured operating voltage and required external components to remain within their specified limits across temperature and supply conditions.
This page consolidates the device architecture, verified manufacturer characteristics, drop-in replacement assessment, application guidance, and practical PCB considerations into one engineering reference. It also distinguishes true pin-compatible substitutions from family members whose memory size, package code, qualification level, or peripheral configuration makes them unsuitable as direct replacements.
חלופות תחליף ישיר עבור ATXMEGA64D3-AN — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
אין חלופות תואמות Drop-in עבור מוצר זה.
בקשת חלופותATXMEGA64D3-AN דירוגים מרביים ומאפיינים חשמליים
| Architecture | 8/16-bit AVR enhanced RISC |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 64 KB (32K x 16) |
| Boot Code Section | 4 KB |
| EEPROM | 2 KB |
| SRAM | 4 KB |
| Operating Voltage | 1.6 V to 3.6 V |
| General-Purpose I/O | 50 lines |
| Timer/Counter Count | 5 |
| Timer/Counter Resolution | 16-bit |
| Real-Time Counter | 16-bit |
| Event System Channels | 4 |
| Interrupt Controller | Programmable multilevel interrupt controller |
| מארז | 64-pin TQFP, 14 mm x 14 mm |
| סוג הרכבה | Surface mount |
| Process Technology | CMOS |
| Qualification Temperature Range | -40 °C to +105 °C (AEC-Q100 Grade 2) |
| Programmable Flash Read-While-Write | Supported |
מדריך תצורת פינים של ATXMEGA64D3-AN 64-pin tqfp, 14 mm x 14 mm
תצורת פינים עבור ATXMEGA64D3-AN (מארזת 64-pin tqfp, 14 mm x 14 mm). מעגל משולב דיגיטלי זה כולל GPIO, ממשקי תקשורת (UART, SPI, I2C) ופיני מתח. יש לעיין בגיליון הנתונים של היצרן לפונקציות פינים חלופיות ולאפשרויות תצורה. חיוני לתכנון מערכות משובצות ולפריסת PCB.
אין נתוני פריסת פינים מפורטים עבור ATXMEGA64D3-AN.
עיינו ב- גיליון נתונים עבור תצורת פינים מלאה.
יישומים טיפוסיים
ATXMEGA64D3-AN מתאים עבור 6 יישוםs: Industrial Automation Controller, Motor Control and PWM Systems, Data Acquisition and Sensor Conditioning, Communications Gateway and Protocol Hub, Building Automation and Environmental Control, Consumer and Embedded Control Products.
Industrial Automation Controller
The ATXMEGA64D3-AN fits industrial automation controllers that coordinate sensors, actuators, and communications under a deterministic control loop. Its five 16-bit timer/counters support accurate input capture, compare matching, periodic timing, and PWM generation, while the four-channel event system can route events directly among peripherals. With 50 GPIO lines and a 1.6 V to 3.6 V operating range, the device can interface with widely used industrial logic levels. The 4 KB SRAM supports active state handling and protocol buffering, and the 64 KB flash provides room for application code, configuration, and field-update logic.
מומלץ
Motor Control and PWM Systems
The ATXMEGA64D3-AN is appropriate for compact motor-control and PWM systems requiring several timing channels and fast peripheral coordination. Its five flexible 16-bit timer/counters provide compare and PWM functions for generating motor-control waveforms, while the event system can link timer events to other peripherals without relying entirely on software polling. The 50 GPIO lines allow connection to position sensors, gate drivers, fault inputs, and status indicators. At 32 MHz, the controller also has performance headroom for supervisory logic, current monitoring, and communications alongside the primary timing task.
מומלץ
Data Acquisition and Sensor Conditioning
The ATXMEGA64D3-AN can serve as the control and acquisition hub in sensor-oriented equipment where deterministic sampling, timing, and local processing are important. Its five 16-bit timer/counters are useful for pulse counting, sensor timing, and periodic acquisition triggers, while the programmable multilevel interrupt controller helps organize responses to multiple event sources. The 2 KB EEPROM can retain calibration or configuration values, and 4 KB of SRAM provides workspace for sampled data and communication packets. The 50 GPIO lines also allow digital sensors, alarm inputs, and local indicators to share the same controller.
מומלץ
Communications Gateway and Protocol Hub
The ATXMEGA64D3-AN is suitable for a small communications gateway that must translate between local interfaces and manage control data. Its 64 KB flash accommodates protocol stacks and application firmware, while 4 KB of SRAM can hold packet buffers and state information. The five 16-bit timer/counters support baud-rate generation, periodic transmission, timeout detection, and receive timing, and the four-channel event system can connect communication events with timers and external control signals. Fifty GPIO lines leave substantial board-level flexibility for status LEDs, configuration inputs, and auxiliary interface signals.
מומלץ
Building Automation and Environmental Control
The ATXMEGA64D3-AN fits building automation and environmental-control equipment that must monitor numerous inputs and operate several timing-based outputs. Its 50 GPIO lines can support temperature sensors, occupancy inputs, valve controls, displays, and communications from a single controller. The five 16-bit timer/counters are useful for periodic sampling, PWM outputs, and delayed actuator events, while the event system improves responsiveness by linking hardware events directly. Its low-power CMOS architecture and 1.6 V to 3.6 V range are also relevant to embedded systems operating from regulated low-voltage rails.
מומלץ
Consumer and Embedded Control Products
The ATXMEGA64D3-AN is appropriate for compact consumer products requiring deterministic timing, moderate code capacity, and extensive I/O without a high-pin-count application processor. A 32 MHz AVR core can manage user-interface states, local peripherals, and protocol tasks, while the boot-code section supports a controlled startup path for factory programming or firmware recovery. The 64 KB flash, 2 KB EEPROM, and 4 KB SRAM provide a practical memory balance for compact embedded products. Its TQFP package is accessible for automated assembly and inspection when board area permits the 14 mm by 14 mm footprint.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור ATXMEGA64D3-AN — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה |
|---|---|
| Brand | Microchip Technology |
| Package | 64-pin TQFP, 14 mm x 14 mm |
| Architecture | 8/16-bit AVR enhanced RISC |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 64 KB |
| EEPROM | 2 KB |
| SRAM | 4 KB |
| General-Purpose I/O | 50 lines |
| Timer/Counters | Five 16-bit timer/counters |
| Event System | Four channels |
| Operating Voltage | 1.6 V to 3.6 V |
| Technology | CMOS |
מבדילים עיקריים
- Large timing-peripheral set for an 8/16-bit controller (לעומתATXMEGA32C3-AN)
- Hardware event routing reduces software timing dependence (לעומתATXMEGA64A3-AU)
- Substantial memory and I/O in a compact TQFP (לעומתATXMEGA64D3-MH)
הערות תכנון
Use the manufacturer pin-description table when assigning all 64 TQFP connections, especially power, ground, reset, clock, and programming signals. Place decoupling capacitors close to the supply pins and route them without long loops between the capacitor and device. A quiet analog or reference section is particularly important because the 1.6 V to 3.6 V operating range leaves limited margin for supply excursions. Do not infer unused or alternate-function assignments from a different XMEGA package.
Plan the 32 MHz clock circuit according to the manufacturer layout recommendations, including the required crystal or oscillator components, load capacitance, and nearby bypass arrangement. Keep clock traces short and away from switching nodes and high-current outputs. Because the four-channel event system and five 16-bit timers depend on accurate timing, clock layout and decoupling directly affect deterministic behavior even when the application logic itself is correct.
Do not substitute a related XMEGA64D3 ordering code solely because its flash and SRAM sizes appear similar. Verify the exact package, temperature grade, qualification status, boot behavior, and all pin functions before replacing the ATXMEGA64D3-AN. The -AN and -ANR suffixes can represent different assembly formats, while other family variants can change qualification or peripheral configuration. Update firmware and verify the complete startup sequence after any ordering-code change.
Design the supply rail to remain within the specified 1.6 V to 3.6 V range under startup, load, and temperature conditions. Account separately for analog, digital, and external-interface supply requirements when they share a board. The manufacturer datasheet is required to determine which pins may be connected, their permissible voltage relationships, and the required power-up sequence. Avoid floating inputs and unused power pins unless the datasheet explicitly permits their stated condition.
מידע על תאימות
The Microchip automotive datasheet states that the ATXMEGA64D3 family was qualified to AEC-Q100 Grade 2 from -40 °C to +105 °C. The exact -AN ordering suffix should be confirmed for the intended automotive application. Other environmental and material-compliance declarations were not established.
