MDT2005B

Features:

The followings are some of the features on the hardware and software :
·  Fully COMS static design
·  8-bit data bus
·  On chip ROM size : 512 words
·  Internal RAM size : 32 bytes (25 general purpose registers, 7 special registers)
·  36 single word instructions
·  14-bit instructions
·  2-level stacks
·  Operating voltage : 2.5V ~ 6.3 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
·  Power edge-detector Reset
·  Sleep Mode for power saving
·  8-bit real time clock/counter(RTCC) with 8-bit programmable prescaler
·  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
·  4 oscillator start-up time can be selected by programming option: 150 ms, 20 ms, 40 ms, 80 ms
·  On-chip RC oscillator based Watchdog Timer(WDT) can be operated freely
·  12 I/O pins with their own independent direction control

Application

The application areas of this MDT2005B 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.

Pinout




Description

This MDT2005B EPROM-Based 8-bit micro-controller uses a fully static CMOS design technology combines higher speeds and smaller size with the low power and high noise immunity of CMOS.On chip memory system includes 0.5 K bytes of ROM, and 32 bytes of static RAM.