General Description
The devices are Flash Memory type 8-bit high performance RISC architecture microcontrollers. Offering users the convenience of Flash Memory multi-programming features, these devices also include a wide range of functions and features. Other memory includes an area of RAM Data Memory as well as an area of EEPROM memory for storage of non-volatile data such as serial numbers, calibration data etc.

Features
CPU Features
• Operating Voltage:
   ♦ fSYS= 4MHz: 2.0V~3.3V
   ♦ fSYS= 8MHz: 2.2V~3.3V
   ♦ fSYS= 12MHz: 2.7V~3.3V
• Power down and wake-up functions to reduce power consumption
• Three oscillators
   ♦ External crystal – HXT
   ♦ Internal RC – HIRC
   ♦ Internal 32kHz RC – LIRC
• Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
• Fully integrated internal 8MHz oscillator requires no external components
• All instructions executed in one or two instruction cycles
• Table read instructions
• 63 powerful instructions
• 8 subroutine nesting levels
• Bit manipulation instruction

Peripheral Features
• Flash Program Memory: up to 2K×16
• RAM Data Memory: up to 128×8
• EEPROM Memory: 64×8
• Watchdog Timer function
• Up to 13 bidirectional I/O lines
• Two external interrupt lines shared with I/O pins
• Multiple Timer Module for time measure, input capture, compare match output, PWM output or single pulse output functions
• Comparator function
• Dual Time-Base functions for generation of fixed time interrupt signals
• Low voltage reset function
• Low voltage detect function
• 4 channels 12-bit resolution A/D converter
• Package types: 16-pin NSOP