Microchip ATMEGA88A-AU, 8 bit AVR, ATMEGA88A Microcontroller, 20 MHz, 8kB FLASH, 32-Pin TQFP

The Microchip ATmega88 CMOS 8-bit microcontroller is based on the AVR enhanced RISC architecture. It operates on 2.7V to 5.5V voltage range. It features 8 KB ISP Flash memory with read-while-write capabilities, 512B EEPROM, 1 KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented Two-Wire serial interface, SPI serial port, 6-channel 10-bit A/D converter (8-channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes.

• Up to 20 MIPS throughput at 20MHz
• On-chip 2-cycle multiplier
• In-system programming by on-chip boot program
• Programming lock for software security
• Two 8-bit timer/counters with separate prescaler and compare mode
• One 16-bit timer/counter with separate prescaler, compare mode, and capture mode
• 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
• DebugWIRE on-chip debug system
• Power-on reset and programmable brown-out detection
• Internal calibrated oscillator
• External and internal interrupt sources
• TQFP-32 package