TABLE OF CONTENTS
Chapter 1 Summary
1.1 Summary ...............................................................................................................1-1
1.2 Features ................................................................................................................1-1
1.3 Block Diagram .......................................................................................................1-3
1.4 Pin Configuration ...................................................................................................1-4
1.5 Explanation of Pins ...............................................................................................1-5
1.5.1 Explanation of Each Pin ...................................................................................1-5
1.5.2 PROM Related Pins .........................................................................................1-9
1.5.3 Processing of Unused Pins ............................................................................1-10
Chapter 2 Power Supply System
2.1 Summary ...............................................................................................................2-1
2.2 Circuit Configuration of the Power Supply System ...............................................2-2
2.2.1 Power Supply Circuit Configuration for IC ........................................................2-2
2.2.2 Circuit Configuration for 5V Interface ...............................................................2-3
2.3 Logic Power Supply ..............................................................................................2-4
2.3.1 Configuration of the Logic Power Supply Driving Circuits ................................2-4
2.3.2 Operations of Optional 1.5V Logic Power Supply Circuits ...............................2-5
2.3.3 Operations of Optional 3.0V Logic Power Supply Circuits ...............................2-5
2.4 LCD Bias Level .....................................................................................................2-6
Chapter 3 X'tal Oscillation Circuits
3.1 Summary ...............................................................................................................3-1
3.2 Configuration of X'tal Oscillation Circuits ..............................................................3-1
Chapter 4 PROM
4.1 Summary ...............................................................................................................4-1
4.2 Explanation of Pins ...............................................................................................4-1
4.3 PROM Mode .........................................................................................................4-3
4.3.1 Setting the PROM Mode ..................................................................................4-3
4.3.2 PROM Mode Functions ....................................................................................4-3
4.3.3 Connection to the EPROM Writer ....................................................................4-4