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MDT2051

Description
8-bit micro-controller uses a fully static CMOS design technology
File Size73KB,14 Pages
ManufacturerETC
Download Datasheet View All

MDT2051 Overview

8-bit micro-controller uses a fully static CMOS design technology

MDT2051
1. General Description
u
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
u
A/D converter module:
-Four analog inputs multiplexed into one A/D
converter
-8-bit resolution
4 types of oscillator can be selected by
programming option:
RC-Low cost RC oscillator
LFXT-Low frequency crystal oscillator
consump-tion and high noise immunity. On chip
memory incl-udes 1K words of ROM, and 68 b
ytes of
static RAM.
2. Features
The followings are some of the features on the
hardware and software :
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Fully CMOS static design
8-bit data bus
On chip EPROM size : 1.0 K words
Internal RAM size : 84 bytes
(68 general purpose registers, 16 special
registers)
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u
u
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37 single word instructions
14-bit instructions
8-level stacks
Operating voltage : 2.5 V ~ 5.5 V (PRD Disable)
4.5 V ~ 5.5 V (PRD Enable)
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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
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Addressing modes include direct, indirect and
relative addressing modes
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u
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Power-on Reset
Power edge-detector Reset
Power range-detector Reset
Sleep Mode for power saving
Four interrupt sources:
-External INT pin
-TMR0 timer
-A/D conversion completion
-PortB<7:4> interrupt on change
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XTAL-Standard crystal oscillator
HFXT-High frequency crystal oscillator
8-bit real time clock/counter(RTCC) with 8-bit
programmable prescaler
On-chip RC oscillator based Watchdog
Timer(WDT)
13 I/O pins with their own independent
direction control
3. Applications
The application areas of this MDT2051 range from
appliance motor control and high speed automotive
to low power remote transmitters/receivers, pointing
devices, and telecommunications processors, such
as Remote controller, small instruments, chargers,
toy, automobile and PC peripheral … etc.
4. Pin Assignment
PA2/AIC2
PA3/AIC3
PA4/RTCC
/MCLR
V
ss
PB0/INT
PB1
PB2
1
2
3
4
5
6
7
8
18
17
16
15
14
13
12
11
10
PA1/AIC1
PA0/AIC0
OSC1
OSC2
V
dd
PB7
PB6
PB5
PB4
PB3 9
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
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