The ATMEGA88-20AUR is a high-performance, low-power 8-bit AVR RISC-based Microcontroller combines 8kB ISP flash memory, 1kB SRAM, 512byte EEPROM, an 8-channel/10-bit A/D converter and debugWIRE for on-chip debugging. The device supports a throughput of 20MIPS at 20MHz and operates between 2.7 to 5.5V. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1MIPS per MHz, balancing power consumption and processing speed. The device is manufactured using Atmel's high density nonvolatile memory technology. The on-chip ISP flash allows the program memory to be reprogrammed in-system through an SPI serial interface, by a conventional nonvolatile memory programmer, or by an on-chip boot program running on the AVR core. The boot program can use any interface to download the application program in the application flash memory.
Advanced RISC architecture
Power-on reset and programmable brown-out detection
Internal calibrated RC oscillator
External and internal interrupt sources
Five sleep modes - Idle, ADC noise reduction, power-save, power-down and standby
131 Powerful instructions-most single clock cycle execution
32 x 8 General purpose working registers
Fully static operation
Up to 20MIPS throughput at 20MHz
On-chip 2-cycle multiplier
QTouch? library support
Programmable watchdog timer with separate on-chip oscillator
On-chip analog comparator
Interrupt and wake-up on pin change
Two 8-bit timers/counters with separate prescalers and compare modes
One 16-bit timer/counter with separate prescaler, compare mode and capture mode