General Description
The series of devices are Flash Memory A/D 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 for application program data storage.

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 0.2μs instruction cycle with 20MHz system clock at VDD= 5V
• Power down and wake-up functions to reduce power consumption
• Four Oscillator types:
   External high frequency Crystal – HXT
   Internal RC – HIRC
   External 32.768kHz Crystal – LXT
   Internal 32kHz RC – LIRC
• 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-level subroutine nesting
• Bit manipulation instruction

Peripheral Features
• Program Memory: 2K x16 ~ 4K x 16
• Data Memory: 96 x 8 ~ 192 x 8
• EEPROM Memory: 64 x 8
• Watchdog Timer function
• Up to 26 bidirectional I/O lines
• Multiple pin-shared external interrupts
• Multiple Timer Module for time measure, input capture, compare match output, PWM output or single pulse output function
• Dual Time-Base functions for generation of fixed time interrupt signal
• Up to 8 channels 12-bit ADC
• Low voltage reset function
• Low voltage detect function
• LED Driver
• Wide range of available package types