UPD17015 datasheet(5/120 Pages) NEC

5 / 120 page

µPD17015

CONTENTS

PIN FUNCTIONS .........................................................................................................................

1.1

PIN FUNCTIONS .............................................................................................................................

1.2

EQUIVALENT CIRCUIT OF EACH PIN .........................................................................................

1.3

HANDLING UNUSED PINS ............................................................................................................

1.4

NOTES ON USE OF THE CE PIN .................................................................................................

PROGRAM MEMORY (ROM) .....................................................................................................

2.1

OUTLINE OF PROGRAM MEMORY .............................................................................................

2.2

PROGRAM MEMORY CONFIGURATION .....................................................................................

2.3

PROGRAM COUNTER ...................................................................................................................

2.4

PROGRAM FLOW ...........................................................................................................................

2.5

NOTES ON USE OF PROGRAM MEMORY ..................................................................................

ADDRESS STACK REGISTER (ASR) .......................................................................................

3.1

OUTLINE AND CONFIGURATION OF ADDRESS STACK REGISTER .....................................

3.2

ADDRESS STACK REGISTER OPERATION ...............................................................................

3.3

NOTES ON USE OF ADDRESS STACK REGISTER ...................................................................

DATA MEMORY (RAM) ..............................................................................................................

4.1

OUTLINE OF DATA MEMORY ......................................................................................................

4.2

CONFIGURATION AND FUNCTIONS OF DATA MEMORY ........................................................

4.3

DATA MEMORY ADDRESSING ....................................................................................................

4.4

NOTES ON USING DATA MEMORY .............................................................................................

SYSTEM REGISTER (SYSREG) ................................................................................................

5.1

OUTLINE OF SYSTEM REGISTER ...............................................................................................

5.2

PROGRAM STATUS WORD (PSWORD) ......................................................................................

5.3

NOTES ON USING SYSTEM REGISTER .....................................................................................

GENERAL-PURPOSE REGISTER (GR) ...................................................................................

6.1

OUTLINE OF GENERAL-PURPOSE REGISTER .........................................................................

6.2

GENERAL-PURPOSE REGISTER ADDRESS GENERATION WITH INSTRUCTIONS .............

6.3

NOTES ON USING GENERAL-PURPOSE REGISTER ...............................................................

ARITHMETIC LOGIC UNIT (ALU) BLOCK ...............................................................................

7.1

OVERVIEW ......................................................................................................................................

7.2

CONFIGURATION AND FUNCTIONS OF THE COMPONENTS OF THE ALU BLOCK ...........

7.3

ALU OPERATIONS .........................................................................................................................

7.4

NOTES ON USING THE ALU ........................................................................................................

UPD17015 Datasheet(PDF) 5 Page - NEC

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