AVR ATtiny Family ATtiny84 Series Microcontrollers 8-bit Microcontrollers:

The high-performance, low-power Microchip 8-bit AVR RISC-based microcontroller combines 2KB ISP flash memory, 128B EEPROM, 128B SRAM, 12 general purpose I/O lines, 32 general purpose working registers, an 2 timers/counters (8-bit/16-bit) with two PWM channels each, internal and external interrupts, 8-channel 10-bit ADC, programmable gain stage (1x, 20x) for 12 differential ADC channel pairs.

• AVR core, Up to 1 MIPS throughput at 1MHz
• FLASH: Upto 8KB, EEPROM: Upto 512B, RAM: Upto 512B
• Interfaces: SPI
• 10-Bit ADC
• 12 Programmable I/O Lines
• Programmable Watchdog Timer with Separate On-chip Oscillator
• On-chip Temperature Sensor
• One 8-Bit and One 16-Bit Timer/Counter
• 4x PWM Channels
• Applications: Power Regulators, Inverters, Toys, Motor Control