MDT1005
1. General Description
This ROM-Based 8-bit micro-controller uses
a fully static CMOS design technology
combines higher speed 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.
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Sleep Mode for power saving
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8-bit real time clock/counter(RTCC) with
8-bit programmable prescaler
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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
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4 oscillator start-up time can be
selected by programming option:
150
µs,
20 ms, 40 ms, 80 ms
2. Features
The followings are some of the features on the
hardware and software :
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Fully CMOS static design
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8-bit data bus
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On chip ROM size : 512 words
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Internal RAM size : 32 bytes
(25 general purpose registers, 7 special
registers)
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36 single word instructions
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14-bit instructions
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2-level stacks
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Operating voltage : 2.3V ~ 6.3 V
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Operating frequency : 0 ~ 20 MHz
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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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Power-on Reset
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Power edge-detector Reset
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On-chip RC oscillator based Watchdog
Timer(WDT) can be operated freely
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Pull up resistors for the following pins :
PA0~PA3, PB0~PB7, /MCLR, RTCC
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Pull down resistors for the following pins :
PA0~PA3, PB0~PB7, RTCC
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12 I/O pins with their own independent
direction control
3. Applications
The application areas of this MDT1005
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.
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P.1
2005/6
Ver1.4
MDTIC [ Micon Design Technology Corporation ]
