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Microchip Technology ATMEGA2560R212-CU
- Part No.:
- ATMEGA2560R212-CU
- Manufacturer:
- Microchip Technology
- Category:
- RF Transceiver ICs
- Package:
- 100-TFBGA
- Datasheet:
-
ATMEGA2560R212-CU.pdf
- Description:
- IC RF TXRX+MCU 802.15.4 100CBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ATMEGA2560R212-CU from Microchip Technology 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. It integrates four USARTs, a 16-channel 10-bit ADC, six flexible timer/counters with PWM, JTAG debugging, and QTouch® capacitive touch sensing-used in industrial control panels requiring deterministic real-time response and field firmware updates.
For engineers reviewing the ATMEGA2560R212-CU datasheet, ATMEGA2560R212-CU pinout, ATMEGA2560R212-CU application, or ATMEGA2560R212-CU equivalent, key selection considerations include its 100-pin TQFP package, 4.5–5.5V operation at 16MHz, 16-channel ADC with differential input and programmable gain, true read-while-write Flash capability, and JTAG-based on-chip debug support for embedded firmware development.
Technical Context
The ATMEGA2560R212-CU 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 includes a 2-cycle hardware multiplier and supports six software-selectable sleep modes-including Power-down (0.1µA @ 1.8V) and ADC Noise Reduction-to optimize energy efficiency across duty-cycled sensor nodes and battery-powered HMI systems.
Peripherals are tightly integrated via dedicated I/O memory-mapped registers: four independent USARTs support simultaneous serial communication with modems, sensors, and host controllers; the 16-channel 10-bit ADC operates with optional differential inputs and programmable gain; and six timer/counters provide precise PWM generation, input capture, and real-time counting-all accessible without CPU intervention via asynchronous clock domains.
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 Programmable Flash with true Read-While-Write operation for live firmware updates |
| ADC | 16-channel, 10-bit successive approximation ADC with differential input stage and programmable gain |
| Timers/Counters | Six independent timers: two 8-bit, four 16-bit-with compare, capture, PWM, and output modulation modes |
| Serial Interfaces | Four USARTs, one SPI, one 2-wire (I²C-compatible) interface, and IEEE 1149.1-compliant JTAG for debug and programming |
| Operating Voltage | 4.5–5.5V at up to 16MHz; supports 0–16MHz speed grade with internal calibrated oscillator and external crystal options |
| Power Consumption | 500µA active @ 1MHz/1.8V; 0.1µA Power-down mode enables multi-year battery life in low-duty-cycle applications |
Pinout & Package
ATMEGA2560R212-CU is housed in a 100-lead Thin Quad Flat Package (TQFP) with 0.5mm pitch, RoHS-compliant, and rated for -40°C to +85°C industrial temperature range. The package provides full access to all 86 programmable I/O lines, dual crystal oscillator pins (XTAL1/XTAL2), JTAG interface (TCK/TMS/TDO/TDI), and dedicated analog supply (AVCC) and reference (AREF) pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PA0–PA7 | Port A bidirectional I/O + ADC0–ADC7 | 8-bit port with alternate ADC input functions; used for analog sensor acquisition and digital control signals |
| PF0–PF7 | Port F analog inputs + JTAG TCK/TMS/TDO/TDI | Primary ADC channel bank (ADC0–ADC7); shares pins with JTAG test interface-requires careful multiplexing control |
| PK0–PK7 | Port K analog inputs + PCINT16–PCINT23 | Secondary ADC bank (ADC8–ADC15); supports 16 total ADC channels and pin-change interrupts for wake-up |
| PD0–PD7 | Port D bidirectional I/O + INT0–INT2, SCL/SDA | I²C master/slave interface (SCL/SDA), external interrupt triggers, and general-purpose digital I/O |
| PE0–PE7 | Port E bidirectional I/O + USART0, AIN0/AIN1 | Primary UART (RXD0/TXD0), analog comparator inputs, and timer/counter input capture (ICP3) |
| PH0–PH7 | Port H bidirectional I/O + USART2, OC4A–OC4C | Third UART interface and 16-bit Timer4 PWM outputs for motor control or LED dimming |
| PL0–PL7 | Port L bidirectional I/O + USART3, OC5A–OC5C | Fourth UART and 16-bit Timer5 PWM outputs-enables concurrent multi-peripheral communication and actuation |
| RESET | Active-low reset input | Asynchronous reset trigger; minimum pulse width defined in datasheet for reliable initialization |
Key Features
| Feature | Design Value |
|---|---|
| True Read-While-Write Flash | Enables background firmware updates without halting application code-critical for OTA-capable industrial gateways |
| JTAG Debug Interface | Full IEEE 1149.1 boundary-scan and on-chip debug support for real-time breakpointing, register inspection, and flash programming |
| QTouch® Capacitive Sensing | Integrated library support for up to 64 sense channels with Adjacent Key Suppression®-reduces BOM cost vs. external touch controllers |
| 64KB External Memory Interface | Dedicated address/data bus (PC0–PC7, PG0–PG1, PL6–PL7) enables expansion with SRAM, EPROM, or display controllers |
| Programmable Watchdog Timer | Independent on-chip oscillator ensures fail-safe recovery even if main clock fails-required for safety-critical embedded logic |
Applications
| Industrial HMI Panel | Smart Energy Gateway |
|---|---|
Use Scenario: Touch-enabled control panel for PLC-based machinery with real-time status display and parameter adjustment. IC Role / Device Role / Timing Role: Main system controller executing ladder logic interpreter, managing capacitive touch overlay, driving LCD via parallel bus, and communicating over RS-485 via USART2. Use Value: 86 GPIOs route to buttons, LEDs, and sensors; 16-channel ADC monitors analog process signals; QTouch® eliminates mechanical switches and reduces front-panel assembly cost. | Use Scenario: Multi-protocol energy meter aggregator collecting data from Modbus RTU, M-Bus, and pulse-output meters in utility substations. IC Role / Device Role / Timing Role: Central protocol translator and data concentrator-running Modbus slave/master stacks on USART0/USART1 while logging to external SPI Flash via USART3. Use Value: Four hardware USARTs eliminate software bit-banging; 256KB Flash stores multiple protocol stacks and firmware images; JTAG enables field reprogramming without disassembly. |
| Automated Test Equipment | Medical Diagnostic Interface |
Use Scenario: Benchtop calibration instrument generating precision waveforms and measuring analog sensor outputs across 16 channels. IC Role / Device Role / Timing Role: Real-time waveform generator using Timer4/Timer5 PWM outputs and synchronized ADC sampling at 15kSPS via auto-triggered conversions. Use Value: Simultaneous 16-channel ADC with differential mode rejects common-mode noise; 12-bit PWM resolution (programmable) delivers <0.1% THD in signal generation. | Use Scenario: Portable patient monitor interfacing ECG, SpO₂, and temperature sensors with local display and Bluetooth LE telemetry. IC Role / Device Role / Timing Role: Low-power sensor hub-acquiring analog biopotentials via ADC, processing with FIR filters in SRAM, and transmitting via USART0 to BLE module. Use Value: Power-down mode draws 0.1µA between measurements; internal bandgap reference ensures ±2 LSB ADC accuracy over temperature; EEPROM stores calibration coefficients non-volatilely. |
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 peripherals; differs only in packaging (100-pin TQFP, lead-free, but no 'R212' suffix indicating specific wafer lot or revision) | Identical functional compatibility; validated for same industrial temperature range and voltage specs | Select ATMEGA2560-16AU when standard industrial-grade TQFP sourcing is preferred over R212 traceability designation |
| ATMEGA2560V-8AU | Lower speed grade: 0–8MHz @ 2.7–5.5V; reduced max frequency limits real-time throughput and PWM resolution | Suitable for ultra-low-power applications where 16MHz timing is unnecessary-e.g., slow-sampling environmental loggers | Choose ATMEGA2560V-8AU only when system clock requirements are ≤8MHz and extended voltage range (2.7V) is required |
Compared with ATMEGA2560-16AU, the ATMEGA2560R212-CU offers identical electrical and functional performance with documented R212 revision traceability; versus ATMEGA2560V-8AU, it delivers double the maximum clock rate and full 16MHz deterministic timing for time-critical control loops.
Availability
ATMEGA2560R212-CU is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy gateways, automated test equipment, and medical diagnostic interfaces requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant manufacturing.
Supply support for ATMEGA2560R212-CU 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, with broad industrial and automotive qualification portfolios.
The ATMEGA2560R212-CU belongs to the AVR megaAVR® family, designed specifically for cost-sensitive, high-I/O-count embedded control applications demanding robust firmware update capability, mixed-signal integration, and deterministic real-time performance.
FAQ
What is the maximum operating frequency of the ATMEGA2560R212-CU?
The ATMEGA2560R212-CU supports a maximum operating frequency of 16MHz at 4.5–5.5V supply voltage. This speed grade enables up to 16 million instructions per second (MIPS) throughput, making it suitable for time-critical tasks such as real-time motor control and multi-channel ADC sampling. The device also includes an internal calibrated 8MHz RC oscillator for boot-up and low-speed operation.
Does the ATMEGA2560R212-CU support true Read-While-Write Flash operation?
Yes, the ATMEGA2560R212-CU supports true Read-While-Write Flash operation. This allows the microcontroller to execute application code from one Flash section while simultaneously programming or erasing another section-enabling seamless over-the-air (OTA) firmware updates without system interruption. The feature relies on separate Boot and Application Flash sections with independent lock bits.
How many ADC channels does the ATMEGA2560R212-CU provide, and what is their resolution?
The ATMEGA2560R212-CU provides 16 single-ended ADC channels with 10-bit resolution. Channels are distributed across Port F (ADC0–ADC7) and Port K (ADC8–ADC15). The ADC supports differential input mode with programmable gain, enhancing dynamic range for low-level sensor signals-critical in precision measurement applications like industrial transducers and medical diagnostics.
What debug and programming interfaces are available on the ATMEGA2560R212-CU?
The ATMEGA2560R212-CU features an IEEE 1149.1-compliant JTAG interface for boundary-scan testing, on-chip debugging, and programming of Flash, EEPROM, fuses, and lock bits. It also supports ISP (In-System Programming) via SPI, enabling field firmware updates using minimal external circuitry. Both interfaces are fully supported by Microchip's Atmel-ICE and third-party tools like AVRDUDE.
Is the ATMEGA2560R212-CU pin-compatible with other ATmega2560 variants?
Yes, the ATMEGA2560R212-CU is pin-compatible with all 100-pin TQFP variants of the ATmega2560 family, including ATMEGA2560-16AU and ATMEGA2560V-8AU. All share identical pin configuration, electrical characteristics, and peripheral mapping per the official Microchip datasheet DS40002211A. Differences lie only in speed grade, temperature rating, and packaging markings-not pin function or layout.
ATMEGA2560R212-CU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 100-TFBGA
- 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-CBGA (9x9)
ATMEGA2560R212-CU FAQ
1.How can I place an order for ATMEGA2560R212-CU through Aetrix?
Please submit a Request for Quotation (RFQ) for ATMEGA2560R212-CU 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-CU reliable?
The price and inventory of ATMEGA2560R212-CU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATMEGA2560R212-CU is usually 5 days.
3.What payment methods are accepted for ATMEGA2560R212-CU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATMEGA2560R212-CU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATMEGA2560R212-CU?
ATMEGA2560R212-CU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATMEGA2560R212-CU 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-CU?
For technical support, including ATMEGA2560R212-CU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATMEGA2560R212-CU requirements.
6.How does Aetrix verify that ATMEGA2560R212-CU is sourced from the original manufacturer or authorized distributors?
All ATMEGA2560R212-CU 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-CU meets industry standards.
7.What is the process for return or replacement of ATMEGA2560R212-CU?
All ATMEGA2560R212-CU units undergo pre-shipment inspection (PSI). If there is an issue with ATMEGA2560R212-CU, 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-CU part is unused and in its original packaging.
Return procedure for ATMEGA2560R212-CU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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