UPD750104 datasheet(4/80 Pages) NEC

4 / 80 page

µPD750104, 750106, 750108, 750104(A), 750106(A), 750108(A)

CONTENTS

PIN CONFIGURATION (TOP VIEW) .........................................................................................

BLOCK DIAGRAM .....................................................................................................................

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

3.1

Port Pins .........................................................................................................................................

3.2

Non-Port Pins .................................................................................................................................

3.3

Pin Input/Output Circuits ..............................................................................................................

3.4

Connection of Unused Pins .........................................................................................................

Ι MODE/Mk ΙΙ MODE SWITCH FUNCTION ........................................................................

4.1

Differences between Mk

Ι Mode and Mk ΙΙ Mode ......................................................................

4.2

Setting of the Stack Bank Selection Register (SBS) ................................................................

MEMORY CONFIGURATION ....................................................................................................

PERIPHERAL HARDWARE FUNCTIONS ................................................................................

6.1

Digital I/O Ports ..............................................................................................................................

6.2

Clock Generator .............................................................................................................................

6.3

Control Functions of Subsystem Clock Oscillator ...................................................................

6.4

Clock Output Circuit ......................................................................................................................

6.5

Basic Interval Timer/Watchdog Timer ........................................................................................

6.6

Clock Timer .....................................................................................................................................

6.7

Timer/Event Counter .....................................................................................................................

6.8

Serial Interface ...............................................................................................................................

6.9

Bit Sequential Buffer .....................................................................................................................

INTERRUPT FUNCTIONS AND TEST FUNCTIONS ...............................................................

STANDBY FUNCTION ...............................................................................................................

RESET FUNCTION .....................................................................................................................

10. MASK OPTION ...........................................................................................................................

11. INSTRUCTION SET ....................................................................................................................

12. ELECTRICAL CHARACTERISTICS .........................................................................................

13. CHARACTERISTIC CURVE (REFERENCE VALUES) ............................................................

UPD750104 Datasheet(PDF) 4 Page - NEC

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