ATMEGA4809-XPRO - ATmega4809 Xplained Pro Eval Board | Microchip
MPN: ATMEGA4809-XPRO β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
ATMEGA4809-XPRO Overview
An Xplained Pro evaluation kit is a development board platform from Microchip Technology designed to give embedded engineers immediate access to a target microcontroller's full peripheral set through onboard debugging, USB connectivity and standardized extension headers. Within the development-tool hierarchy (microcontroller -> evaluation board -> embedded system development kit), the Xplained Pro family sits above the Curiosity Nano line by offering larger expansion capability via the Xplained Pro extension connector standard.
Key features of this kit include the Functional Safety (FuSa) capable AVR MCU 8-bit device ATmega4809 as its target, onboard Embedded Debugger for programming and debugging without external tools, and support for additional peripherals through Xplained Pro extension kits and MIKROE mikroBUS-compatible Click boards.
The ATmega4809 device on board runs at up to 20 MHz and uses Microchip's Core Independent Peripherals (CIP), which offload tasks such as timing, communication and event routing from the CPU, enabling deterministic operation with lower software overhead. The kit serves as the recommended evaluation platform for the ATmega4809, ATmega4808, ATmega3209 and ATmega3208 microcontrollers, all sharing the megaAVR 0-series architecture documented in the ATmega4808/4809 data sheet (DS40002173B).
Typical applications include evaluating Core Independent Peripheral designs, prototyping sensor and actuator nodes, teaching 8-bit AVR architecture, and bringing up firmware for products based on the megaAVR 0-series before committing to custom PCB hardware.
A key design consideration: code developed on this kit ports directly to ATmega4808/4809/3208/3209 target hardware, but note the 40-pin ATmega4809 uses the 48-pin die with fewer connected pads, so pins PB[5:0] and PC[7:6] require special handling on smaller packages.
This page synthesizes distributor availability, kit-family alternatives, and practical evaluation guidance not found on the manufacturer product page alone.
Drop-in alternatives for ATMEGA4809-XPRO β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ATMEGA4809-XPRO (same form factor and footprint) β differing in Core Architecture, Product Type, Target MCU.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ATMEGA4808-XPRO
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
ATMEGA3209-XPRO
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
ATMEGA3208-XPRO
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
ATMEGA4809-XPRO Specifications (manufacturer-published)
| Product Type | Xplained Pro Evaluation Board |
| Target MCU | ATmega4809 (megaAVR 0-series) |
| Core Architecture | 8-bit AVR with hardware multiplier |
| Maximum CPU Frequency | 20 MHz |
| Flash Memory | 48 KB |
| SRAM | 6 KB |
| EEPROM | 256 bytes |
| Target Package Pin Count | 48-pin |
| Core Independent Peripherals | Yes (CIP) |
| Safety Qualification | Functional Safety (FuSa) capable AVR MCU |
| Onboard Debugger | Embedded Debugger (EDBG) |
| Expansion Connectors | Xplained Pro extension headers |
| mikroBUS Support | Yes (MIKROE Click boards compatible) |
| Compatible MCU Families | ATmega4809, ATmega4808, ATmega3209, ATmega3208 |
| Supported Host OS | Windows Vista/7/8/10/Server 2012/XP |
| Mounting Type | Benchtop evaluation / development board |
| Manufacturer | Microchip Technology |
ATMEGA4809-XPRO Interfaces & Connectors
No manufacturer-published interface list is available for ATMEGA4809-XPRO. Refer to the manufacturer documentation for connector and header details.
Refer to the manufacturer documentation for the full expansion header pinout and connector pin numbering.
Typical Applications
ATMEGA4809-XPRO is suitable for 6 applications: megaAVR 0-Series Firmware Development, Core Independent Peripheral (CIP) Prototyping, IoT and Sensor Node Prototyping, Embedded Systems Education and Training, Industrial Control and Automation Evaluation, Legacy AVR Design Migration.
megaAVR 0-Series Firmware Development
The ATMEGA4809-XPRO is the primary development platform for firmware targeting the ATmega4809, ATmega4808, ATmega3209 and ATmega3208. Its onboard Embedded Debugger eliminates the need for external programmer hardware, allowing flash, breakpoint and single-step debugging over USB in MPLAB X IDE. Because the target MCU runs at up to 20 MHz with 48 KB Flash and 6 KB SRAM, engineers can validate real workloads, not just blink tests, before porting to custom PCBs. The single UPDI programming interface used on the board is identical to that on production hardware, so the programming workflow transfers directly to manufactured units with no rework.
Recommended
Core Independent Peripheral (CIP) Prototyping
The ATmega4809 emphasizes Microchip's Core Independent Peripherals, which route signals between timers, comparators and communication blocks via an event system without CPU intervention. The Xplained Pro board exposes these peripherals on accessible headers, letting engineers prototype sensor polling, PWM generation and custom logic in hardware. Since CIP operation continues even when the CPU sleeps, designers can quantify real power savings for battery-powered products. The 20 MHz AVR core with hardware multiplier provides headroom for the residual software workload, and the onboard debugger makes it easy to observe event-system behavior through the debug interface during bring-up.
Recommended
IoT and Sensor Node Prototyping
Sensor nodes benefit from the ATmega4809's combination of 6 KB SRAM, 256 bytes EEPROM for calibration storage, and multiple USART/SPI/I2C interfaces. The Xplained Pro form factor accelerates IoT prototyping because mikroBUS-compatible Click boards add sensors, radios and actuators without soldering, while Xplained Pro extension headers support Microchip's own sensor expansion kits. Engineers can validate communication stacks and power-management schemes at the board level, then port firmware unchanged to the 48-pin ATmega4809 on a custom PCB. The 20 MHz core handles protocol processing while CIPs manage timed sampling autonomously, reducing CPU wakeups and extending battery life.
Recommended
Embedded Systems Education and Training
The ATMEGA4809-XPRO is well suited to university labs and professional training because it combines a modern 8-bit AVR architecture with free Microchip IDE tooling and an onboard debugger, removing cost and setup barriers. Students can progress from register-level C programming to using the event system and Core Independent Peripherals without ever touching external hardware. The documented data sheet (DS40002173B) is approachable for teaching, and the MegaCoreX community project adds Arduino-style support for classroom familiarity. Kits are benchtop units, so lab inventory is easy to manage, and DigiKey ships in-stock orders same-day for semester start-ups.
Recommended
Industrial Control and Automation Evaluation
Industrial control designs often require deterministic timing and robust serial links, both strengths of the megaAVR 0-series. The ATmega4809's Core Independent Peripherals can drive motor-control PWM, watchdog supervision and UART communication with minimal CPU latency, and the 5 V-tolerant AVR I/O suits legacy industrial signal levels. On the Xplained Pro board, engineers can evaluate these behaviors and validate Functional Safety (FuSa) capable MCU features against Microchip's safety collateral before designing the production 48-pin footprint. The onboard debugger supports fault injection testing workflows by single-stepping interrupt handlers and peripheral configurations under representative loads.
Recommended
Legacy AVR Design Migration
Teams maintaining designs based on classic AVRs such as the ATmega328P can use the ATMEGA4809-XPRO to evaluate migration to the megaAVR 0-series, which offers 48 KB Flash, 6 KB SRAM and richer peripherals at competitive cost. The board lets engineers run ported firmware and compare peripheral behavior against existing ATmega328P hardware before committing to a redesign. Community resources, including the MegaCoreX Arduino package and published pin-mapping guides, document the differences between classic and 0-series pinouts and UPDI programming, reducing migration risk. The hardware multiplier on the 20 MHz core also improves math-heavy legacy code performance substantially.
Recommended
Recommended Products Summary
Engineering reference data for ATMEGA4809-XPRO β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATMEGA4808-XPRO | ATMEGA3209-XPRO | ATMEGA3208-XPRO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package / Form Factor | Xplained Pro evaluation board | Xplained Pro evaluation board - same form factor | Xplained Pro evaluation board - same form factor | Xplained Pro evaluation board - same form factor |
| Target MCU | ATmega4809 | ATmega4808 | ATmega3209 | ATmega3208 |
| Flash | 48 KB | 48 KB | 32 KB | 32 KB |
| SRAM | 6 KB | 6 KB | 4 KB | 4 KB |
| Max CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Target Package Pin Count | 48-pin | 32/48-pin | 40/48-pin | 28/32-pin |
| Core Independent Peripherals | Yes (CIP) | Yes (CIP) | Yes (CIP) | Yes (CIP) |
| Recommended Kit Role | Recommended kit for ATmega4809/4808/3209/3208 | Dedicated kit for ATmega4808 | Dedicated kit for ATmega3209 | Dedicated kit for ATmega3208 |
Key Differentiators
- Full 48 KB Flash / 6 KB SRAM target (vs ATMEGA3209-XPRO)
- Recommended kit for the entire 0-series family (vs ATMEGA4808-XPRO)
- Functional Safety (FuSa) capable target MCU (vs ATMEGA328P-XMINI)
Design Notes
When migrating firmware from the 48-pin ATmega4809 on this kit to 40-pin or smaller 0-series packages, remember Microchip's data sheet note: the 40-pin device uses the 48-pin die with fewer connected pads, so pins PB[5:0] and PC[7:6] must be disabled (INPUT_DISABLE) or have pull-ups enabled. Code that toggles these pins on the Xplained Pro board may behave differently on production hardware unless this handling is included.
The Xplained Pro board is USB powered; when measuring current consumption for battery-powered designs, do not read the board's total USB current. Isolate the target MCU's supply or use the kit's current-measurement provisions described in the user guide, and evaluate sleep modes with Core Independent Peripherals active. Use production target devices (e.g., ATMEGA4808-MUR) on custom hardware for final power profiling.
Take advantage of the mikroBUS Click socket during early prototyping, but plan your production layout around the ATmega4809 pinout in data sheet DS40002173B rather than the board's expansion headers. Keep UPDI programming access (one pin) routed to a test point on custom PCBs so the programming workflow proven on this kit can be reused in production without bed-of-nails fixtures.
Compliance Information
Compliance data for the evaluation board was not provided in the verified web data; consult the Microchip product page or distributor environmental datasheets for RoHS/REACH status of this kit.
