概述

1. General Description
This EPROM-Based 4-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 0.5K words of ROM, and 30 nibbles
of static RAM.
2. Features
The followings are some of the features on the
hardware and software :
? Fully CMOS static design
? 4-bit data bus
? On chip EPROM size : 0.5 K words
? Internal RAM size : 30 nibbles
(24 general purpose registers, 6 special
registers)
? 24 single word instructions
? 11-bit instructions
? 2-level stacks
? Operating voltage : 2.5 V ~ 5.5 V
? Internal RC oscillator : 4MHz / 8MHz
? Power-on Reset
? Sleep Mode for power saving
? oscillator start-up time : 20ms
? 8 bit real time clock/counter(RTCC) with 8-bit
programmable prescaler
? On-chip RC oscillator based Watchdog
Timer(WDT)
? Wake-up from sleep on pin change
3. Applications
The application areas of this MDT90P01 range
from appliance motor control and high speed
automotive  to  low  power  remote
transmitters/receivers, small instruments, chargers,
toy, automobile and PC peripheral … etc.