Table Of Contents - NEC PD78081(A) User Manual

CHAPTER 1 OUTLINE .....................................................................................................................
1.1 Features .............................................................................................................................
1.2 Applications ......................................................................................................................
1.3 Ordering Information ........................................................................................................
1.4 Quality Grade ....................................................................................................................
1.5 Pin Configuration (Top View) ...........................................................................................
1.6 78K/0 Series Development ...............................................................................................
1.7 Block Diagram ...................................................................................................................
1.8 Outline of Function ...........................................................................................................
1.9 Differences between the PD78081, 78082 and 78P083, the PD78081(A), 78082(A)
and 78P083(A), and the PD78081(A2) ...........................................................................
CHAPTER 2 PIN FUNCTION ...........................................................................................................
2.1 Pin Function List ...............................................................................................................
2.1.1 Normal operating mode pins ...............................................................................................
2.1.2 PROM programming mode pins ( PD78P083 only) ............................................................
2.2 Description of Pin Functions ...........................................................................................
2.2.1 P00 to P03 (Port 0) ..............................................................................................................
2.2.2 P10 to P17 (Port 1) ..............................................................................................................
2.2.3 P30 to P37 (Port 3) ..............................................................................................................
2.2.4 P50 to P57 (Port 5) ..............................................................................................................
2.2.5 P70 to P72 (Port 7) ..............................................................................................................
2.2.6 P100 to P101 (Port 10) ........................................................................................................
2.2.7 AV
REF
2.2.8 AV ....................................................................................................................................
DD
2.2.9 AV ....................................................................................................................................
SS
2.2.10 RESET .................................................................................................................................
2.2.11 X1 and X2 ............................................................................................................................
2.2.12 V ......................................................................................................................................
DD
2.2.13 V ......................................................................................................................................
SS
2.2.14 V ( PD78P083 only) .........................................................................................................
PP
2.2.15 IC (Mask ROM version only) ................................................................................................
2.2.16 NC (44-pin plastic QFP versions only) .................................................................................
2.3 Pin Input/Output Circuits and Recommended Connection of Unused Pins ...............
CHAPTER 3 CPU ARCHITECTURE ................................................................................................
3.1 Memory Spaces.................................................................................................................
3.1.1 Internal program memory space ..........................................................................................
3.1.2 Internal data memory space ................................................................................................
3.1.3 Special Function Register (SFR) area .................................................................................
3.1.4 Data memory addressing ....................................................................................................
3.2 Processor Registers .........................................................................................................
3.2.1 Control registers ..................................................................................................................
3.2.2 General registers .................................................................................................................
CONTENTS
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