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.

特性 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