EM78468 datasheet(3/71 Pages) EMC

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Contents

Product Specification (V1.1) 04.11.2005

• iii

Contents

1 GENERAL DESCRIPTION ···························································································· 1

2 FEATURES····················································································································· 1

2.1

CPU··············································································································································· 1

2.2

LCD Circuit ···································································································································· 2

2.3

Applications ··································································································································· 2

3 PIN ASSIGNMENTS ······································································································ 3

3.1

QFP - 64········································································································································ 3

3.2

LQFP - 64······································································································································ 4

3.3

LQFP - 44······································································································································ 5

3.4

QFP - 44········································································································································ 6

4 FUNCTION DESCRIPTION ··························································································· 9

4.1

Operational Registers·················································································································· 10

4.2

Special Purpose Registers··········································································································· 19

4.3

TCC and WDT Pre-scaler············································································································ 27

4.4

I/O Ports ······································································································································ 30

4.5

RESET and Wake-up ·················································································································· 31

4.6

Oscillator ····································································································································· 36

4.7

Power-on Considerations ············································································································ 38

4.8

Interrupt ······································································································································· 40

4.9

LCD Driver··································································································································· 42

4.10 Infrared Remote Control Application / PWM Waveform Generate················································ 48

4.11 Code Options ······························································································································ 52

4.12 Instruction Set ····························································································································· 53

4.13 Timing Diagram ··························································································································· 55

5 ABSOLUTE MAXIMUM RATINGS ·············································································· 56

6 ELECTRICAL CHARACTERISTIC·············································································· 57

6.1

DC ELECTRICAL CHARACTERISTICS······················································································ 57

6.2

AC Electrical Characteristics ······································································································· 59

7 Application Circuit······································································································ 60

APPENDIX A

A.1

Package Types ···························································································································· 61

A.2

Package Information···················································································································· 61

APPENDIX B

B.1

ICE 468XA Oscillator circuit (JP 5) ······························································································ 65

B.2

ICE 468XA output pin assignment (JP 3)····················································································· 67

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