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