Table of Contents
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CHAPTER 1 GENERAL .......................................................................................................................... 26
1.1
Features ...................................................................................................................................... 26
1.2
Applications ............................................................................................................................... 26
1.3
Ordering Information ................................................................................................................. 27
1.4
Pin Configuration (Top View) ................................................................................................... 28
1.5
78K/0S Series Lineup ................................................................................................................ 31
1.6
Block Diagram............................................................................................................................ 34
1.7
Overview of Functions .............................................................................................................. 35
CHAPTER 2 PIN FUNCTIONS............................................................................................................... 37
2.1
List of Pin Functions ................................................................................................................. 37
2.2
Description of Pin Functions .................................................................................................... 40
2.2.1
P00 to P07 (Port 0) ....................................................................................................................... 40
2.2.2
P10, P11 (Port 1) .......................................................................................................................... 40
2.2.3
P20 to P25 (Port 2) ....................................................................................................................... 40
2.2.4
P30 to P34 (Port 3) ....................................................................................................................... 41
2.2.5
P50 to P53 (Port 5) ....................................................................................................................... 41
2.2.6
P60 to P67 (Port 6) ....................................................................................................................... 42
2.2.7
P70 to P73 (Port 7) ....................................................................................................................... 42
2.2.8
P80 to P87 (Port 8) ....................................................................................................................... 42
2.2.9
S0 to S27 ...................................................................................................................................... 42
2.2.10
COM0 to COM3 ............................................................................................................................ 42
2.2.11
V
2.2.12
CAPH, CAPL................................................................................................................................. 42
2.2.13
RESET .......................................................................................................................................... 43
2.2.14
X1, X2 ........................................................................................................................................... 43
2.2.15
XT1, XT2....................................................................................................................................... 43
2.2.16
.............................................................................................................................................. 43
2.2.17
.............................................................................................................................................. 43
2.2.18
V
................................................................................................................................................ 43
2.2.19
V
................................................................................................................................................ 43
2.2.20
V
(flash memory version only).................................................................................................... 43
2.2.21
IC0 (mask ROM version only) ....................................................................................................... 44
2.3
Pin I/O Circuits and Recommended Connection of Unused Pins ........................................ 45
CHAPTER 3 CPU ARCHITECTURE...................................................................................................... 48
3.1
Memory Space............................................................................................................................ 48
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
CONTENTS
................................................................................................................................... 42
User's Manual U15331EJ4V1UD
11
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