This EPROM-Based 8-bit micro-controller uses a fully static CMOS technology process to achieve higher speed and smaller size with the low power consumption and high noise immunity. On chip memory includes 2K words of ROM, and 128 bytes of static RAM.

特點

◆The followings are some of the features on the hardware and software :

◆Fully CMOS static design;

◆8-bit data bus;

◆On chip EPROM size : 2K words;

◆Internal RAM size : 128 bytes

◆37 single word instructions;

◆14-bit instructions;

◆8-level stacks;

◆Operating voltage : 2.5V ~ 5.5 V(PRD Disable);

4.5V ~ 5.5 V(PRD Enable);

◆Operating frequency : DC ~ 20 MHz;

◆The most fast execution time is 200 ns under 20 MHz in all single cycle instructions except the branch instruction

◆Addressing modes include direct, indirect and relative addressing modes

◆Power-on Reset

◆Power edge-detector Reset

◆Power range-detector Reset

◆Sleep Mode for power saving

◆Capture,Compare,PWM module

◆7 interrupt sources:

--External INT pin

--TMR0 timer,TMR1 timer,TMR2 timer

--A/D conversion completion

--PortB interrupt on change

--CCP

◆A/D converter module:

--4 analog inputs multiplexed into one A/D converter

--8-bit resolution

◆TMR0 : 8-bit real time clock/counter

TMR1 : 16-bit real time clock/count

TMR2 : 8-bit clock/counter

◆4 types of oscillator can be selected by programming option:

--RC－Low cost RC oscillator

--LFXT－Low frequency crystal oscillator

--XTAL－Standard crystal oscillator

--HFXT－High frequency crystal oscillator

◆On-chip RC oscillator based Watchdog Timer (WDT)

◆13 I/O pins with their own independent direction control