MDT10P55A
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P. 1
2006/1
Ver. 1.3
1. General Description
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
consump-tion and high noise immunity. On chip
memory inclu-des 1K words of ROM, and 72 bytes of
static RAM.
2. Features
The followings are some of the features on the
hardware and software :
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 ~ 4.5 V
Operating frequency : 0 ~ 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
Sleep Mode for power saving
5 types of oscillator can be selected by
programming option:
INTRC－Internal 4 MHz RC oscillator
RC－Low cost RC oscillator
LFXT－Low frequency crystal oscillator
XTAL－Standard crystal oscillator
HFXT－High frequency crystal oscillator
3 oscillator start-up time can be selected by
programming option:
20 ms, 40 ms, 80 ms
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 MDT10P55A range
from appliance motor control and high speed
automotive to low power remote
transmitters/receivers, small instruments, chargers,
toy, automobile and PC pe-ripheral … etc.
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