Описание
MCU 8-Bit ATmega AVR RISC 128KB Flash 3.3V/5V 100-Pin TQFP
- 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 85ºC/ 100 years at 25ºC
- 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)
- Ultra-Low Power Consumption
- Active Mode: 1MHz, 1.8V: 500µA
- Power-down Mode: 0.1µA at 1.8V
- Speed Grade:
- ATmega640/ATmega1280/ATmega1281:
- 0 – 8MHz @ 2.7V – 5.5V, 0 – 16MHz @ 4.5V – 5.5V
- ATmega640/ATmega1280/ATmega1281:
