Microchip PIC12F683T-I/SN, 8bit PIC Microcontroller, PIC12F, 20MHz, 3.5 kB Flash, 8-Pin SOIC

The Low Pin-count (8) PIC® Flash microcontroller products offer all of the advantages of the well recognized mid-range x14 architecture with standardized features including a wide operating voltage of 2.0-5.5 volts, on-board EEPROM Data Memory, and nanoWatt Technology. Standard analog peripherals include up to 4 channels of 10-bit A/D, an analog comparator module with a single comparator, programmable on-chip voltage reference and a Standard Capture/Compare/PWM (CCP) module.

256 bytes of EEPROM data memory
Extended WDT
Precision internal oscillator – software selectable 8 MHz – 32 KHz.
nanoWatt Technology
Software selectable BOR