Table Of Contents - NEC 78K0/KD1 Series User Manual

CHAPTER 1 OUTLINE .............................................................................................................................25
1.1 Features .......................................................................................................................................25
1.2 Applications.................................................................................................................................26
1.3 Ordering Information ..................................................................................................................27
1.4 Pin Configuration (Top View).....................................................................................................29
1.5 78K0/Kxx Series Lineup .............................................................................................................31
1.6 Block Diagram .............................................................................................................................33
1.7 Outline of Functions ...................................................................................................................34
CHAPTER 2 PIN FUNCTIONS ................................................................................................................36
2.1 Pin Function List .........................................................................................................................36
2.2 Description of Pin Functions .....................................................................................................39
2.2.1 P00 to P03 (port 0) .........................................................................................................................39
2.2.2 P10 to P17 (port 1) .........................................................................................................................39
2.2.3 P20 to P27 (port 2) .........................................................................................................................40
2.2.4 P30 to P33 (port 3) .........................................................................................................................40
2.2.5 P60 to P63 (port 6) .........................................................................................................................40
2.2.6 P70 to P77 (port 7) .........................................................................................................................40
2.2.7 P120 (port 12).................................................................................................................................41
2.2.8 P130 (port 13).................................................................................................................................41
2.2.9 P140 (port 14).................................................................................................................................41
2.2.10 AV .............................................................................................................................................41
REF
2.2.11 AV ..............................................................................................................................................41
SS
2.2.12 RESET ...........................................................................................................................................42
2.2.13 REGC .............................................................................................................................................42
2.2.14 X1 and X2.......................................................................................................................................42
2.2.15 XT1 and XT2 ..................................................................................................................................42
2.2.16 V and EV
DD
2.2.17 V and EV
SS
2.2.18 V (flash memory versions only) ...................................................................................................42
PP
2.2.19 IC (mask ROM versions only).........................................................................................................42
2.3 Pin I/O Circuits and Recommended Connection of Unused Pins..........................................43
CHAPTER 3 CPU ARCHITECTURE .......................................................................................................46
3.1 Memory Space.............................................................................................................................46
3.1.1 Internal program memory space.....................................................................................................52
3.1.2 Internal data memory space ...........................................................................................................53
3.1.3 Special function register (SFR) area...............................................................................................53
3.1.4 Data memory addressing ...............................................................................................................54
3.2 Processor Registers ...................................................................................................................59
3.2.1 Control registers .............................................................................................................................59
3.2.2 General-purpose registers..............................................................................................................62
3.2.3 Special Function Registers (SFRs).................................................................................................63
3.3 Instruction Address Addressing ...............................................................................................67
3.3.1 Relative addressing ........................................................................................................................67
CONTENTS
................................................................................................................................42
DD
.................................................................................................................................42
SS
Preliminary User's Manual U16315EJ1V0UD
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