8-bit AVR RISC-based microcontroller, ATTINY44A-SSU, Microchip
The high-performance Microchip picoPower 8-bit AVR RISC-based microcontroller combines 4 KB ISP Flash memory, 256B EEPROM, 256B SRAM, 12 general purpose I/O lines, 32 general purpose working registers, an 8-bit timer/counter with two PWM channels, a 16-bit timer/counter with two PWM channels, internal and external interrupts, an 8-channel 10-bit A/D converter, programmable gain stage (1x, 20x) for 12 differential ADC channel pairs, programmable watchdog timer with internal oscillator, internally calibrated oscillator, and four software selectable power saving modes. The device operates between 1.8-5.5 volts.