ATMEGA128A-AU 8-bit ATMega AVR® microcontroller, 128 kB, 16 MHz, TQFP-64

The powerful, low-power microchip 8-bit AVR® RISC-based microcontroller. Features • Powerful, low-power Atmel®AVR®8-bit microcontroller • Advanced RISC architecture - 133 powerful instructions - The most single clock cycles are executed - 32 x 8 general-purpose work registers + peripheral control registers - Completely static operation - Up to 16 MIPS throughput at 16 MHz - On-chip 2-cycle multiplier • High-end endurance non-volatile memory segments - 128 KB in-system self-programmable flash program memory - 4 KB EEPROM - 4 KB internal SRAM - Write/delete 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 locking bits ... In-system programming executed by on-chip boot program ... True read-while-write operation - Up to 64 KB of optional external storage - Programming lock to ensure software security - SPI interface for in-system programming - Support for the QTouch® library - Capacitive touch buttons, sliders and wheels • QTouch and QMatrix detection - Up to 64 Sense channels • JTAG (IEEE standard 1149.1-compliant) interface - Boundary scan capabilities in accordance with the JTAG standard - Extensive on-chip debug support - Programming of flash, EEPROM, fuses and lock bits via the JTAG interface • Peripheral features - 2 8-bit timers/counters with separate prescalers and comparison modes - 2 advanced 16-bit timers/counters with separate prescaler, comparison mode and recording mode - Real-time counter with separate oscillator - 2 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 analogue comparator • Special micro controller features - Power-on reset and programmable brown-out recognition - Internally calibrated RC oscillator - External and internal interrupt sources - 6 sleep modes: Idle, ADC noise reduction, power-saving mode, shutdown, standby and advanced standby - Software-selectable clock frequency - ATmega103 compatibility mode selected by a backup - Global pull-up lock • I/O and housing - 53 programmable I/O lines - 64-pin TQFP and 64-pin QFN/MLF