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= 8MHz: 2.2V~5.5V
  fSYS= 12MHz: 2.7V~5.5V
  fSYS= 20MHz: 4.5V~5.5V
Up to 0.2s instruction cycle with 20MHz system clock at VDD=5V
Power down and wake-up functions to reduce power consumption
Five oscillators:
  External high speed xtal
  External 32.768kHz xtal
  External RC
  Internal high speed -- no external components
  Internal 32kHz -- no external components
Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
Fully integrated internal 4MHz, 8MHz and 12MHz oscillator requires no external components
All instructions executed in one or two instruction cycles
Table read instructions
63 powerful instructions
Up to 8 subroutine nesting levels
Bit manipulation instruction

Peripheral Features
Flash Program Memory: 1K14 ~ 2K15
RAM Data Memory: 648 ~ 968
EEPROM Memory: 648
Watchdog Timer function
Up to 8 bidirectional I/O lines
External interrupt line shared with I/O pin
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
Multi-channel 12-bit resolution A/D converter
Package types: 10-pin MSOP