MDT10P43

Spec

This specification is subject to be changed without notice. Please visit our web site for the most updated information.

http://www.mdtic.com.tw

1 of 10

2004/12/2 Ver. 1.0

Ci 1. General Description

This 8-bit Micro-controller with built-in carrier

generator uses a fully static CMOS technology to

achieve high speed, small size, low power and

high noise immunity.

On chip memory includes 512 words of ROM,

and 29 bytes of static RAM.

2. Features

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Fully COMS 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 : 28 bytes

(24general purpose registers, 4 special

registers)

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34 single word instructions

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14-bit instructions

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2-level stacks

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Operating voltage : 2.0V ~ 6 V

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Addressing modes include direct, indirect

and relative addressing modes

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Power-on Reset

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System clock : 455KHz crystal (OSC1 cap

50P; OSC2 cap 100P)

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PA0-7 : 8 input only pins with pull-high

resistor and input low detect circuit.

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PB0 : CMOS output.

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PB1 : 7 open drain output pins.

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Built in remote control carrier synthesizer

Fosc/8 (56.9K) or Fosc/12 (37.9K) by

firmware setting.

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2048 clocks for oscillator start up time.

3. Applications

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Remote controller

4. Pin Assignment

※ P – PDIP, S - PSOP

MDT10P43P21, MDT10P43S21

PA5 1

20

PA4

PA2 2

19

PA1

PA3 3

18

PA0

PA6 4

17

OSC1

PA7 5

16

OSC2

VSS 6

15

VDD

PB0 7

14

PB7

PB1 8

13

PB6

PB2 9

12

PB5

PB3 10

11

PB4

MDT10P43P11, MDT10P43S11

PA2 1

18

PA1

PA3 2

17

PA0

PA6 3

16

OSC1

PA7 4

15

OSC2

VSS 5

14

VDD

PB0 6

13

PB7

PB1 7

12

PB6

PB2 8

11

PB5

PB3 9

10

PB4