NEC PD75P308 Manuale Utente Scaricare il pdf (Pagina 4)

PD75P308

CONTENTS

1. PIN FUNCTIONS ................................................................................................................................. 5

1.1 PORT PINS ................................................................................................................................................. 5

1.2 NON PORT PINS ....................................................................................................................................... 6

1.3 PIN INPUT/OUTPUT CIRCUITS ................................................................................................................ 7

1.4 NOTES ON USING P00/INT4 AND RESET PINS ..................................................................................... 9

2. DIFFERENCES BETWEEN

PD75P308 AND

PD75308.................................................................. 10

3. WRITING AND VERIFYING PROM (PROGRAM MEMORY) ........................................................... 11

3.1 OPERATION MODES FOR WRITING/VERIFYING PROGRAM MEMORY ............................................ 11

3.2 PROGRAM MEMORY WRITE PROCEDURE .......................................................................................... 12

3.3 PROGRAM MEMORY READ PROCEDURE ............................................................................................ 13

3.4 ERASURE (

PD75P308K ONLY) ............................................................................................................. 14

4. ELECTRICAL SPECIFICATIONS........................................................................................................ 15

5. PACKAGE DRAWINGS ......................................................................................................................28

6. RECOMMENDED SOLDERING CONDITIONS................................................................................. 30

APPENDIX A. DEVELOPMENT TOOLS ................................................................................................. 31

APPENDIX B. RELATED DOCUMENTS ................................................................................................ 32

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PD75P308 1

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