ATMEGA1281R212-MU

The ATMEGA1281R212-MU microcontroller is a powerhouse of features packed into a compact 64-pin QFN package. With its high-performance 8-bit AVR RISC-based architecture, this microcontroller offers a blazing throughput of up to 16 MIPS at 16 MHz. Perfect for a wide range of applications in industrial control, automotive, and communication systems, the ATMEGA1281R212-MU boasts 128KB of in-system programmable flash memory, 4KB of EEPROM memory, and 8KB of SRAM. Its array of peripherals and interfaces, including 53 general-purpose I/O pins, 8-channel 10-bit ADC, and 6 PWM channels, make it incredibly versatile for embedded system design

主な特長

• High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller
• Advanced RISC Architecture
• – 135 Powerful Instructions – Most Single Clock Cycle Execution
• – 32 × 8 General Purpose Working Registers
• – Fully Static Operation
• – Up to 16 MIPS Throughput at 16MHz
• – On-Chip 2-cycle Multiplier
• High Endurance Non-volatile Memory Segments
• – 64K/128K/256KBytes of In-System Self-Programmable Flash
• – 4Kbytes EEPROM
• – 8Kbytes Internal SRAM
• – Write/Erase Cycles:10,000 Flash/100,000 EEPROM
• – Data retention: 20 years at 85C/ 100 years at 25C
• – Optional Boot Code Section with Independent Lock Bits
• In-System Programming by On-chip Boot Program
• True Read-While-Write Operation
• – Programming Lock for Software Security
• Endurance: Up to 64Kbytes Optional External Memory Space
• Atmel® QTouch® library support
• – Capacitive touch buttons, sliders and wheels
• – QTouch and QMatrix acquisition
• – Up to 64 sense channels
• JTAG (IEEE® std. 1149.1 compliant) Interface
• – Boundary-scan Capabilities According to the JTAG Standard
• – Extensive On-chip Debug Support
• – Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
• Peripheral Features
• – Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
• – Four 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
• – Real Time Counter with Separate Oscillator
• – Four 8-bit PWM Channels
• – Six/Twelve PWM Channels with Programmable Resolution from 2 to 16 Bits (ATmega1281/2561, ATmega640/1280/2560)
• – Output Compare Modulator
• – 8/16-channel, 10-bit ADC (ATmega1281/2561, ATmega640/1280/2560)
• – Two/Four Programmable Serial USART (ATmega1281/2561, ATmega640/1280/2560)
• – Master/Slave SPI Serial Interface
• – Byte Oriented 2-wire Serial Interface
• – Programmable Watchdog Timer with Separate On-chip Oscillator
• – On-chip Analog Comparator
• – Interrupt and Wake-up on Pin Change
• Special Microcontroller Features
• – Power-on Reset and Programmable Brown-out Detection
• – Internal Calibrated Oscillator
• – External and Internal Interrupt Sources
• – Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
• I/O and Packages
• – 54/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
• – 64-pad QFN/MLF, 64-lead TQFP (ATmega1281/2561)
• – 100-lead TQFP, 100-ball CBGA (ATmega640/1280/2560)
• – RoHS/Fully Green
• Temperature Range:
• – -40°C to 85°C Industrial
• Ultra-Low Power Consumption
• – Active Mode: 1MHz, 1.8V: 500µA
• – Power-down Mode: 0.1µA at 1.8V
• Speed Grade:
• – ATmega640V/ATmega1280V/ATmega1281V:
• 0 - 4MHz @ 1.8V - 5.5V, 0 - 8MHz @ 2.7V - 5.5V
• – ATmega2560V/ATmega2561V:
• 0 - 2MHz @ 1.8V - 5.5V, 0 - 8MHz @ 2.7V - 5.5V
• – ATmega640/ATmega1280/ATmega1281:
• 0 - 8MHz @ 2.7V - 5.5V, 0 - 16MHz @ 4.5V - 5.5V
• – ATmega2560/ATmega2561:
• 0 - 16MHz @ 4.5V - 5.5V