10
User’s Manual U15400EJ4V0UD
CONTENTS
CHAPTER 1 GENERAL...........................................................................................................................24
1.1
Features ......................................................................................................................................24
1.2
Applications................................................................................................................................24
1.3
Ordering Information .................................................................................................................25
1.4
Pin Configuration (Top View)....................................................................................................26
1.5
78K/0S Series Lineup.................................................................................................................29
1.6
Block Diagram ............................................................................................................................32
1.7
Overview of Functions...............................................................................................................33
CHAPTER 2 PIN FUNCTIONS ...............................................................................................................35
2.1
List of Pin Functions..................................................................................................................35
2.2
Description of Pin Functions ....................................................................................................38
2.2.1
P00 to P07 (Port 0) ....................................................................................................................... 38
2.2.2
P10, P11 (Port 1) .......................................................................................................................... 38
2.2.3
P20 to P25 (Port 2) ....................................................................................................................... 38
2.2.4
P30 to P34 (Port 3) ....................................................................................................................... 39
2.2.5
P50 to P53 (Port 5) ....................................................................................................................... 39
2.2.6
P60 to P67 (Port 6) ....................................................................................................................... 40
2.2.7
P70 to P73 (Port 7) ....................................................................................................................... 40
2.2.8
P80 to P87 (Port 8) ....................................................................................................................... 40
2.2.9
S0 to S27 ...................................................................................................................................... 40
2.2.10
COM0 to COM3 ............................................................................................................................ 40
2.2.11
VLC0 to VLC2 ................................................................................................................................... 40
2.2.12
NC................................................................................................................................................. 40
2.2.13
RESET .......................................................................................................................................... 40
2.2.14
X1, X2 ........................................................................................................................................... 41
2.2.15
XT1, XT2....................................................................................................................................... 41
2.2.16
AVDD.............................................................................................................................................. 41
2.2.17
AVSS .............................................................................................................................................. 41
2.2.18
VDD ................................................................................................................................................ 41
2.2.19
VSS ................................................................................................................................................ 41
2.2.20
VPP (flash memory only) ................................................................................................................ 41
2.2.21
IC0 (mask ROM version only) ....................................................................................................... 41
2.3
Pin I/O Circuits and Recommended Connection of Unused Pins.........................................42
CHAPTER 3 CPU ARCHITECTURE ......................................................................................................46
3.1
Memory Space............................................................................................................................46
3.1.1
Internal program memory space ................................................................................................... 51