UPD78F4938A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD78F4938A

16-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD78F4938A

CONTENTS

1. DIFFERENCES AMONG PRODUCTS IN µPD784938A SUBSERIES ................................... 6

2. PIN CONFIGURATION (TOP VIEW) ........................................................................................... 7

3. BLOCK DIAGRAM ......................................................................................................................... 9

4. PIN FUNCTIONS ............................................................................................................................ 10

4.1 Port Pins ................................................................................................................................. 10

4.2 Non-Port Pins ........................................................................................................................ 12

4.3 Pin I/O Circuits and Recommended Connection of Unused Pins ................................. 14

5. INTERNAL MEMORY SIZE SWITCHING REGISTER (IMS) .................................................. 18

6. PROGRAMMING FLASH MEMORY ............................................................................................ 19

6.1 Selecting Communication Mode ......................................................................................... 19

6.2 Flash Memory Programming Functions ............................................................................ 20

6.3 Connecting Flashpro III ........................................................................................................ 21

7. ELECTRICAL SPECIFICATIONS .................................................................................................. 22

8. PACKAGE DRAWING .................................................................................................................... 42

9. RECOMMENDED SOLDERING CONDITIONS ........................................................................... 43

APPENDIX A. DEVELOPMENT TOOLS ............................................................................................ 44

APPENDIX B. RELATED DOCUMENTS ........................................................................................... 47

Data Sheet U14118EJ1V0DS

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