My Inquiry
My Account
Microchip Technology ATMEGA2560R212-AU
- Part No.:
- ATMEGA2560R212-AU
- Manufacturer:
- Microchip Technology
- Category:
- RF Transceiver ICs
- Package:
- 100-TQFP
- Datasheet:
-
ATMEGA2560R212-AU.pdf
- Description:
- IC RF TXRX+MCU 802.15.4 100TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,587
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ATMEGA2560R212-AU from Microchip is a high-performance, low-power 8-bit AVR microcontroller featuring 256KB in-system self-programmable Flash, 4KB EEPROM, 8KB SRAM, 86 programmable I/O lines, and support for up to 16 MIPS at 16MHz - deployed in industrial automation controllers requiring deterministic real-time I/O handling and firmware field updates.
For engineers reviewing the ATMEGA2560R212-AU datasheet, ATMEGA2560R212-AU pinout, ATMEGA2560R212-AU application, or ATMEGA2560R212-AU equivalent, key selection criteria include Flash endurance (10,000 write/erase cycles), 16-channel 10-bit ADC with differential input and programmable gain, four USARTs for multi-protocol serial communication, JTAG debug interface compliance with IEEE std. 1149.1, and QTouch® capacitive sensing support for HMI integration.
Technical Context
The ATMEGA2560R212-AU implements an enhanced Harvard RISC architecture with 32 general-purpose 8-bit registers directly connected to the ALU, enabling single-cycle instruction execution for 135+ instructions. Its CPU core integrates a 2-cycle hardware multiplier and supports true read-while-write Flash operation during firmware updates.
Peripheral subsystems include six timer/counters (two 8-bit, four 16-bit), RTC with separate oscillator, four USARTs, SPI, TWI (2-wire), 16-channel 10-bit ADC with optional differential mode and programmable gain, on-chip analog comparator, and JTAG boundary-scan with full on-chip debug support - all mapped across 86 I/O pins in the 100-lead TQFP package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | AVR 8-bit RISC with 32 × 8-bit general purpose registers and single-cycle ALU execution |
| Flash Memory | 256KB In-System Self-Programmable Flash with Read-While-Write capability for live firmware updates |
| SRAM / EEPROM | 8KB internal SRAM for runtime variables; 4KB EEPROM with 100,000 write/erase cycles for nonvolatile configuration storage |
| ADC | 16-channel, 10-bit successive approximation ADC with differential input stage and programmable gain amplifier |
| Timers | Two 8-bit and four 16-bit timer/counters with compare, capture, and PWM modes - supporting precise motor control and signal generation |
| Communication Interfaces | Four USARTs, SPI, TWI (2-wire), and JTAG (IEEE 1149.1) for debugging, programming, and multi-protocol host connectivity |
| Operating Range | -40°C to +85°C industrial temperature range; 4.5V–5.5V supply voltage for stable operation in noisy environments |
Pinout & Package
ATMEGA2560R212-AU is housed in a 100-lead TQFP (Thin Quad Flat Package) with 0.5mm pitch, RoHS-compliant, and thermally optimized for convection-cooled industrial PCBs. The package provides full access to all 86 programmable I/O lines, dedicated analog reference (AREF), AVCC filtering pins, and JTAG boundary-scan test points.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PA0–PA7 | Port A bidirectional I/O + ADC0–ADC7 | 8-bit parallel port with analog input multiplexing; used for sensor data acquisition and digital control outputs |
| PB0–PB7 | Port B bidirectional I/O + SPI, USART0, PWM | High-drive port supporting SPI master/slave, UART TX/RX, and OC0A/OC1A/OC1B PWM outputs |
| PC0–PC7 | Port C bidirectional I/O + external memory address A8–A15 | Provides upper address bus for optional 64KB external memory expansion in embedded systems |
| PD0–PD7 | Port D bidirectional I/O + USART1, TWI, INT0–INT2 | Supports I²C (SCL/SDA), second UART, and three external interrupt sources for event-driven wake-up |
| PE0–PE7 | Port E bidirectional I/O + USART0, ADC8–ADC15, T3–T5 | Enables third/fourth USARTs, full 16-channel ADC mapping, and advanced timer inputs (ICP3, T3–T5) |
| PF0–PF7 | Port F analog input + JTAG TCK/TMS/TDI/TDO | Dual-role port: primary ADC input bank (ADC0–ADC7); when JTAG enabled, serves as IEEE 1149.1 test interface |
| PG0–PG5 | Port G bidirectional I/O + RD/WR/ALE | Provides external memory control signals (read/write strobes and address latch enable) for parallel bus interfacing |
| PH0–PH7 | Port H bidirectional I/O + USART2, OC4A–OC4C, T4 | Dedicated high-resolution PWM outputs (OC4A/B/C) and fourth USART for isolated serial channel routing |
| PJ0–PJ7 | Port J bidirectional I/O + USART3, XCK3 | Full fifth serial interface (RXD3/TXD3/XCK3) enabling simultaneous multi-protocol communication (e.g., Modbus + CAN via external transceiver) |
| PK0–PK7 | Port K analog input + ADC8–ADC15 | Second ADC input bank supporting 16-channel total; enables simultaneous sampling of multiple analog sensors |
| PL0–PL7 | Port L bidirectional I/O + OC5A–OC5C, ICP5, T5 | Third set of high-resolution PWM outputs (OC5A/B/C) and input capture for precision timing measurement |
| RESET | Active-low reset input | Asynchronous reset pin with minimum pulse width specification; supports external watchdog or power-on reset circuitry |
| XTAL1/XTAL2 | Crystal oscillator input/output | Connects to external 1–16MHz crystal or ceramic resonator; internal calibrated RC oscillator available for clock source redundancy |
| AVCC/AREF/GND/VCC | Analog power/reference/ground/digital supply | Separate analog supply (AVCC) and reference (AREF) pins enable noise-isolated ADC operation; dual VCC/GND pairs reduce ground bounce |
Key Features
| Feature | Design Value |
|---|---|
| True Read-While-Write Flash | Enables background firmware updates without halting real-time peripheral operation - critical for continuous industrial process control |
| JTAG Debug Interface | Fully compliant IEEE 1149.1 boundary-scan with on-chip debug support allows non-intrusive code stepping, register inspection, and flash programming in production |
| QTouch® Capacitive Sensing | Integrated support for up to 64 sense channels using charge-transfer acquisition - eliminates need for external touch controller ICs in HMI designs |
| Six Power-Saving Sleep Modes | Includes Power-down (0.1µA @ 1.8V), Power-save (asynchronous timer active), and ADC Noise Reduction modes for ultra-low-power sensor node applications |
| External Memory Interface | 8-bit data + 16-bit address bus (A0–A15) with RD/WR/ALE control enables direct connection to SRAM, EPROM, or FPGA peripherals |
Applications
| Industrial PLC Controller | Robotics Motion Control |
|---|---|
Use Scenario: Standalone programmable logic controller managing discrete I/O, analog sensor inputs, and serial fieldbus communication in factory automation. IC Role / Device Role / Timing Role: Main system controller executing ladder logic, scanning 86 I/O points, running four independent UARTs for Modbus RTU/ASCII, and managing 16-channel analog feedback loops. Use Value: 256KB Flash accommodates complex control firmware and recipe storage; 100-pin TQFP ensures robust thermal and mechanical reliability in DIN-rail mounted enclosures. | Use Scenario: Embedded motion controller coordinating stepper/servo drives via PWM and quadrature encoder inputs in collaborative robotic arms. IC Role / Device Role / Timing Role: Real-time executor of PID loops with sub-millisecond jitter, using OC4A/OC4B/OC4C and OC5A/OC5B/OC5C PWM outputs plus ICP1/ICP3/ICP5 input capture for position tracking. Use Value: Four 16-bit timers with capture/compare and six PWM channels deliver deterministic timing for synchronized multi-axis motion profiles. |
| Smart Energy Meter | HMI Touch Panel Controller |
Use Scenario: ANSI C12.22-compliant electricity meter performing metrology calculations, tamper detection, and secure DLMS/COSEM over RS-485 and RF mesh. IC Role / Device Role / Timing Role: System-on-chip integrating metrology ADC front-end, secure bootloader, dual USARTs (one for RS-485, one for optical port), and EEPROM-based tariff/log storage. Use Value: 4KB EEPROM endurance (100,000 cycles) ensures 20+ years of daily log writes; industrial temp range guarantees accuracy across outdoor meter deployments. | Use Scenario: Front-panel controller for medical device UI with capacitive touch buttons, sliders, and status LEDs - replacing mechanical switches and reducing BOM cost. IC Role / Device Role / Timing Role: Dedicated touch processor using QTouch® library to scan 12+ keys and 2 sliders while simultaneously driving RGB LED indicators via PWM. Use Value: On-chip QTouch® eliminates external touch ASIC; 16-channel ADC and 12 PWM outputs enable integrated sensor + actuator control in single-chip design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATMEGA2560-16AU | Same core, Flash, RAM, and peripheral set; differs only in speed grade (16MHz max vs. ATMEGA2560R212-AU's 16MHz max) and marking convention - identical pinout and electrical specs. | No functional difference; both rated for 4.5–5.5V and -40°C to +85°C; validated for identical industrial use cases including Arduino Mega 2560-compatible designs. | Select ATMEGA2560R212-AU when sourcing from authorized Microchip distribution channels with traceable lot documentation; ATMEGA2560-16AU is functionally interchangeable in existing layouts. |
| ATMEGA2560V-8AU | Lower speed grade: 0–8MHz @ 2.7–5.5V; reduced maximum clock frequency limits real-time throughput and peripheral bandwidth compared to ATMEGA2560R212-AU's 16MHz operation. | Suitable for battery-powered or ultra-low-power applications where 8MHz suffices; not recommended for high-speed serial protocols (e.g., 115.2kbps UART with tight timing margins) or fast PWM generation. | Choose ATMEGA2560V-8AU only if system clock requirements are ≤8MHz and extended voltage range (2.7V) is required; otherwise, ATMEGA2560R212-AU delivers full performance headroom. |
Compared with ATMEGA2560-16AU, ATMEGA2560R212-AU offers identical functionality and pin compatibility but reflects updated Microchip part numbering and traceability standards; versus ATMEGA2560V-8AU, it enables higher throughput, tighter timing control, and broader peripheral utilization at industrial-grade voltage and temperature margins.
Availability
ATMEGA2560R212-AU is available at Aetrix Electronics and suitable for industrial PLC controllers, robotics motion systems, smart energy meters, and HMI touch panel controllers requiring stable component supply across multi-year production cycles.
Supply support for ATMEGA2560R212-AU includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology is a global semiconductor company specializing in microcontrollers, analog devices, and Flash-IP solutions for industrial, automotive, and consumer markets.
The ATMEGA2560R212-AU belongs to Microchip's legacy AVR megaAVR® family, designed specifically for cost-sensitive, high-reliability embedded control applications demanding rich peripheral integration, field-upgradable firmware, and long-term supply stability.
FAQ
What is the maximum operating frequency of the ATMEGA2560R212-AU?
The ATMEGA2560R212-AU operates at up to 16MHz when supplied with 4.5–5.5V. It achieves up to 16 million instructions per second (MIPS) at this frequency due to its single-cycle RISC architecture. Frequency scaling below 16MHz is supported across the full voltage range, but performance degrades linearly with clock speed reduction.
Does the ATMEGA2560R212-AU support in-system programming (ISP)?
Yes, the ATMEGA2560R212-AU supports in-system programming via SPI interface using standard ISP protocols. It also supports JTAG-based programming and debugging per IEEE std. 1149.1, and on-chip boot loader programming through any of its four USARTs - enabling firmware updates without removing the device from the target board.
How many ADC channels does the ATMEGA2560R212-AU provide, and what is their resolution?
The ATMEGA2560R212-AU provides 16 single-ended ADC input channels with 10-bit resolution. These are distributed across Port A (AD0–AD7), Port F (ADC0–ADC7), and Port K (ADC8–ADC15). The ADC supports differential input mode with programmable gain (1x, 10x, 200x) for precision sensor measurements.
Is the ATMEGA2560R212-AU pin-compatible with the ATMEGA2560-16AU?
Yes, the ATMEGA2560R212-AU is fully pin-compatible with the ATMEGA2560-16AU. Both use the same 100-lead TQFP package, share identical pin functions, electrical characteristics, and memory/peripheral configurations. They differ only in part marking and distribution channel traceability - no PCB layout changes are required for substitution.
What sleep modes are available on the ATMEGA2560R212-AU, and which peripherals remain active in Power-down mode?
The ATMEGA2560R212-AU supports six software-selectable sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby. In Power-down mode, the oscillator is frozen and all peripherals are disabled except the watchdog timer and external interrupts - consuming only 0.1µA at 1.8V, ideal for battery-backed wake-on-event applications.
ATMEGA2560R212-AU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 100-TQFP
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- TxRx + MCU
- RF Family/Standard:
- 802.15.4, General ISM < 1GHz
- Protocol:
- 6LoWPAN, Zigbee®
- Modulation:
- DSSS, BPSK, O-QPSK
- Frequency:
- 769MHz ~ 935MHz
- Data Rate (Max):
- 1Mbps
- Power - Output:
- 10dBm
- Sensitivity:
- -110dBm
- Memory Size:
- 256kB Flash, 4kB EEPROM, 8kB RAM
- Serial Interfaces:
- SPI
- GPIO:
- 86
- Voltage - Supply:
- 1.8V ~ 3.6V
- Current - Receiving:
- 8.7mA ~ 9.2mA
- Current - Transmitting:
- 13mA ~ 25mA
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 100-TQFP (14x14)
ATMEGA2560R212-AU FAQ
1.How can I place an order for ATMEGA2560R212-AU through Aetrix?
Please submit a Request for Quotation (RFQ) for ATMEGA2560R212-AU on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ATMEGA2560R212-AU reliable?
The price and inventory of ATMEGA2560R212-AU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATMEGA2560R212-AU is usually 5 days.
3.What payment methods are accepted for ATMEGA2560R212-AU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATMEGA2560R212-AU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATMEGA2560R212-AU?
ATMEGA2560R212-AU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATMEGA2560R212-AU order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ATMEGA2560R212-AU?
For technical support, including ATMEGA2560R212-AU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATMEGA2560R212-AU requirements.
6.How does Aetrix verify that ATMEGA2560R212-AU is sourced from the original manufacturer or authorized distributors?
All ATMEGA2560R212-AU products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ATMEGA2560R212-AU meets industry standards.
7.What is the process for return or replacement of ATMEGA2560R212-AU?
All ATMEGA2560R212-AU units undergo pre-shipment inspection (PSI). If there is an issue with ATMEGA2560R212-AU, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ATMEGA2560R212-AU part is unused and in its original packaging.
Return procedure for ATMEGA2560R212-AU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ATMEGA2560R212-AU Tags
-
ESP32-D0WD-V3
Espressif Systems
-
ESP8266EX
Espressif Systems
-
ESP32-S3
Espressif Systems
-
NRF24L01P-R7
Nordic Semiconductor ASA
-
NRF24L01P-R
Nordic Semiconductor ASA
-
ESP32-U4WDH
Espressif Systems
-
DA14531-00000OG2
Renesas
-
ESP32-C6FH4
Espressif Systems
-
DA14531-00000FX2
Renesas
-
NRF24L01P-T
Nordic Semiconductor ASA
-
NRF52810-QCAA-R
Nordic Semiconductor ASA
-
ESP32-S3FN8
Espressif Systems
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
