8-bit ATMega AVR® microcontroller, 128 kB, 16 MHz, TQFP-64

Variant with extended temperature range: -40 °C to +105 °C.

The powerful, low-power Microchip 8-bit AVR® RISC-based microcontroller.
Properties
• Powerful, low-power Atmel®AVR®8-bit microcontroller
• Advanced RISC architecture
- 133 powerful instructions
- Most single cycle cycles are executed
- 32 x 8 general purpose work registers + peripheral tax registers
- Fully static operation
- Up to 16MIPS throughput at 16MHz
- On-chip 2-stroke multiplier
• High End Endurance Non-volatile memory segments
- 128Kbytes in-system Self-programmable flash program memory
- 4Kbytes EEPROM
- 4Kbytes internal SRAM
- Write/erase cycles: 10,000 Flash/100,000 EEPROM
- Data retention: 20 years at 85°C/100 years at 25°C(1)
- Optional boot code section with independent lock bits
... In-system programming by on-chip boot program
... True read-and-write operation
- Up to 64Kbytes of optional external memory
- Programming lock for software security
- SPI interface for in-system programming
- Support for the QTouch® library
- Capacitive touch buttons, sliders and wheels
• QTouch and QMatrix acquisition
- Up to 64 sense channels
• JTAG (IEEE Std. 1149.1 compliant) interface
- JTAG standard boundary scan capabilities
- Extensive on-chip debug support
- Programming of Flash, EEPROM, Fuses and Lock Bits via the JTAG interface
• Peripheral features
- Two 8-bit timers/counters with separate prescalers and comparison modes
- Two advanced 16-bit timers/counters with separate pre-divider, comparison mode and recording mode
- Real-time counter with separate oscillator
- Two 8-bit PWM channels
- 6 PWM channels with programmable resolution from 2 to 16 bits
- Comparison modulator output
- 8-channel, 10-bit ADC
... 8 single-ended channels
... 7 differential channels
... 2 differential channels with programmable gain at 1x, 10x or 200x.
- Byte-oriented serial two-wire interface
- Dual programmable serial USARTs
- Master/slave SPI serial interface
- Programmable watchdog timer with on-chip oscillator
- On-chip analog comparator
• Special microcontroller features
- Power-on reset and programmable brown-out detection
- Internally calibrated RC oscillator
- External and internal interrupt sources
- Six sleep modes: Idle, ADC noise reduction, power saving, shutdown, standby and extended standby
- Software selectable clock frequency
- ATmega103 compatibility mode selected by a backup
- Global pull-up lock
• I/O and chassis
- 53 programmable I/O lines
- 64-pin TQFP and 64-pin QFN/MLF