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 consumption and high
noise immunity. On chip memory includes 4K words of
ROM, and 192 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 : 4.0 K words
Internal RAM size : 224 bytes
(192 general purpose registers, 32 special
registers)
37 single word instructions
14-bit instructions
8-level stacks
Operating voltage : 2.5 V ~ 5.5V (PRD Disable)
4.5 V ~ 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
Synchronous serial port with SCM
8 interrupt sources:
-External INT pin
-TMR0 timer,TMR1 timer,TMR2 timer
-A/D conversion completion
-PortB<7:4> interrupt on change
-CCP,SCM
A/D converter module:
-5 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(internal)
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)
22 I/O pins with their own independent direction
control
3. Applications
The application areas of this MDT10P721 range from
appliance motor control and high speed auto-motive to
low power remote transmitters/receivers, pointing
devices, and telecommunications processors, such as
Remote controller, small instruments, chargers, toy,
automobile and PC peripheral … etc.