MDT10P55B

1. General Description This EPROM-Based 8-bit micro-controller uses a fully static CMOS technology process to achieve higher speed and consump-tion and high noise immunity. On chip memory inclu-des 1K words of ROM, and 72 b ytes of w 2. Features The followings are some of the features on the hardware and software : u u u u u u u u u u Fully CMOS static design 8-bit data bus On chip EPROM size : 1K words Internal RAM size : 72 bytes 36 single word instructions 14-bit instructions 2-level stacks Operating voltage : 2.5 V ~ 5.5 V Operating frequency : 0 ~ 20 MHz u u u w static RAM. a D . w S a t he et 4U .c om MDT10P55B u u u u Power-on Reset Power edge-detector Reset Sleep Mode for power saving 5 types of oscillator can be selected by programming option: INTRC¡ÐInternal 4 MHz RC oscillator RC¡ÐLow cost RC oscillator LFXT¡ÐLow frequency crystal oscillator XTAL¡ÐStandard crystal oscillator HFXT¡ÐHigh frequency crystal oscillator 3 oscillator start-up time can be selected by programming option: smaller size with the low power 20 ms, 40 ms, 80 ms 8-bit real time clock/counter(RTCC) with 8-bit programmable prescaler The most fast execution time is 200 ns under 20 MHz in all single cycle instructions except the branch instruction u Addressing modes include direct, indirect and relative addressing modes w w .D w t a S a e h u t e On-chip RC oscillator based Watchdog Timer(WDT) U 4 .c m o Wake-up from sleep on pin change 3. Applications The applicat...