EM78452 datasheet(4/54 Pages) EMC

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Contents

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Product Specification (V1.0) 10.18.2007

5.6

Timer 1 ............................................................................................................. 30

5.6.1

Overview ...........................................................................................................30

5.6.2

Function Description..........................................................................................30

5.6.3

Programming the Related Registers .................................................................31

5.7

Reset and Wake-up.......................................................................................... 32

5.7.1

The Status of RST, T, and P of STATUS Register .............................................37

5.8

Interrupt ............................................................................................................ 38

5.9

Oscillator .......................................................................................................... 39

5.9.1

Oscillator Modes................................................................................................39

5.9.2

Crystal Oscillator/Ceramic Resonators (Crystal)...............................................39

5.10 Code Option Register :..................................................................................... 40

5.11 Instruction Set .................................................................................................. 41

5.12 Timing Diagrams .............................................................................................. 44

Absolute Maximum Rating ..................................................................................... 45

Electrical Characteristics ....................................................................................... 45

7.1

DC Characteristic ............................................................................................. 45

7.2

AC Characteristic ............................................................................................. 46

Application Circuit .................................................................................................. 47

APPENDIX

Package Type: ......................................................................................................... 48

Package Information ............................................................................................... 48

B.1

40-Lead Plastic Dual in line (PDIP) — 600 mil ................................................. 48

B.2

44-Lead Quad Flat Package (QFP)................................................................. 49

Specification Revision History

Doc. Version

Revision Description

Date

1.0

Initial released version

2007/10/18

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