Table Of Contents - NEC mPD71312 User Manual

CHAPTER 1 OUTLINE ...............................................................................................................................9
1.1 Features ...........................................................................................................................................9
1.2 Applications.....................................................................................................................................9
1.3 Ordering Information ......................................................................................................................9
1.4 Pin Configuration (Top View)...................................................................................................... 10
CHAPTER 2 PIN FUNCTIONS ............................................................................................................... 12
2.1 Pin Function List .......................................................................................................................... 12
2.2 Description of Pin Functions ...................................................................................................... 13
2.3 Pin I/O Circuits and Recommended Connection of Unused Pins........................................... 14
CHAPTER 3 LCD CONTROLLER/DRIVER........................................................................................... 16
3.1 Functions of LCD Controller/Driver ........................................................................................... 16
3.2 Configuration of LCD Controller/Driver ..................................................................................... 18
3.3 Controlling LCD Controller/Driver .............................................................................................. 20
3.4 Registers Controlling LCD Controller/Driver ............................................................................ 22
3.5 Setting LCD Controller/Driver ..................................................................................................... 26
3.6 LCD Display Data Memory .......................................................................................................... 28
3.7 Common and Segment Signals .................................................................................................. 29
3.8 Display Modes .............................................................................................................................. 33
3.9 Supplying LCD Drive Voltages V
CHAPTER 4 I
4.1 System Configuration.................................................................................................................. 50
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2.2.1 SDA .................................................................................................................................................13
2.2.2 SCL..................................................................................................................................................13
2.2.3 S0 to S35, S36 to S39 .....................................................................................................................13
2.2.4 COM0 to COM3 ...............................................................................................................................13
2.2.5 LV .................................................................................................................................................13
DD
2.2.6 LV .................................................................................................................................................13
SS
2.2.7 V to V ......................................................................................................................................13
LC0 LC2
2.2.8 CAPH, CAPL ...................................................................................................................................13
2.2.9 RESET.............................................................................................................................................13
2.2.10 LCLK..............................................................................................................................................13
2.2.11 IC ..................................................................................................................................................13
3.8.1 Static display example .....................................................................................................................33
3.8.2 Two-time-slice display example .......................................................................................................36
3.8.3 Three-time-slice display example ....................................................................................................39
3.8.4 Four-time-slice display example.......................................................................................................43
3.9.1 Internal resistance division method..................................................................................................46
3.9.2 External resistance division method.................................................................................................48
3.9.3 Internal voltage boosting method .....................................................................................................49
2
C COMMUNICATIONS ................................................................................................... 50
CONTENTS
, V , and V ................................................................. 46
LC0 LC1 LC2
User's Manual U18438EJ2V0UD
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