UPD75304BGC View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75304BGC

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75304B,75306B,75308B

CONTENTS

1. PIN CONFIGURATION (TOP VIEW)............................................................................................... 6

2. BLOCK DIAGRAM............................................................................................................................ 8

3. PIN FUNCTIONS .............................................................................................................................. 9

3.1 PORT PINS .............................................................................................................................................. 9

3.2 NON-PORT PINS ..................................................................................................................................... 11

3.3 PIN INPUT/OUTPUT CIRCUITS .............................................................................................................. 13

3.4 RECOMMENDED CONNECTION OF UNUSED PINS ............................................................................. 15

3.5 PRECAUTIONS CONCERNING P00/INT4 PIN AND RESET PIN ........................................................... 16

4. MEMORY CONFIGURATION .......................................................................................................... 16

5. PERIPHERAL HARDWARE FUNCTIONS ........................................................................................ 21

5.1 PORTS ..................................................................................................................................................... 21

5.2 CLOCK GENERATOR ............................................................................................................................... 22

5.3 CLOCK OUTPUT CIRCUIT ....................................................................................................................... 23

5.4 BASIC INTERVAL TIMER ........................................................................................................................ 24

5.5 WATCH TIMER ........................................................................................................................................ 25

5.6 TIMER/EVENT COUNTER ....................................................................................................................... 26

5.7 SERIAL INTERFACE ................................................................................................................................. 28

5.8 LCD CONTROLLER/DRIVER .................................................................................................................... 30

5.9 BIT SEQUENTIAL BUFFER ...................................................................................................................... 32

6. INTERRUPT FUNCTION ................................................................................................................. 32

7. STANDBY FUNCTION .................................................................................................................... 34

8. RESET FUNCTION .......................................................................................................................... 35

9. INSTRUCTION SET ......................................................................................................................... 37

10. MASK OPTION SELECTION ............................................................................................................ 45

11. ELECTRICAL SPECIFICATIONS ...................................................................................................... 46

12. PACKAGE INFORMATION .............................................................................................................. 64

13. RECOMMENDED SOLDERING CONDITIONS ................................................................................ 67

APPENDIX A. DIFFERENCES AMONG SERIES PRODUCTS .............................................................. 70

APPENDIX B. DEVELOPMENT TOOLS ............................................................................................... 72

APPENDIX C. RELATED DOCUMENTS .............................................................................................. 73

5

Share Link: