Contents
7.17 Signal Generation to Display Line Counter and Display Data Latching Circuit ...49
7.18 Generation of the Alternated Signal and the Synchronous Signal....................49
7.19 Display Data Latching Circuit............................................................................49
7.20 Output Timing of the LCD Driver.......................................................................50
7.21 LCD Driver Circuit.............................................................................................50
7.22 Oscillator Circuit................................................................................................51
7.23 Power Supply Circuit.........................................................................................51
7.24 Booster Circuit ..................................................................................................52
7.25 Electronic Volume .............................................................................................53
7.26 Voltage Regulator .............................................................................................53
7.27 Voltage Generator Circuit..................................................................................53
7.28 EEPROM Function............................................................................................56
7.29 Partial Display Function ....................................................................................59
7.30 Discharge Circuit...............................................................................................60
7.31 Initialization .......................................................................................................60
7.32 Precautionary Measures during Power ON and Power OFF............................62
7.32.1 When Using an External Power Supply............................................................62
7.32.2 When Using a Built-in Power Supply ................................................................62
7.32.3 Power Supply Rising Time ................................................................................62
7.33 Example of Register Setting .............................................................................63
7.33.1 Initialization........................................................................................................63
7.33.2 Display Data......................................................................................................64
7.33.3 Power OFF........................................................................................................64
Control Register...................................................................................................... 65
8
8.1 Control Register................................................................................................65
8.2 Control Register Functions ...............................................................................68
8.2.1 X-address Register (AX) ...................................................................................69
8.2.2 Y-Address Register (AY) ...................................................................................69
8.2.3 Display Start Address Register (LA)..................................................................69
8.2.4 n-line Alternate Register (N)..............................................................................70
8.2.5 Display Control (1) Register..............................................................................71
8.2.6 Display Control (2) Register..............................................................................71
8.2.6 Increment Control Register Set.........................................................................73
8.2.7 Power Control Register.....................................................................................75
8.2.8 LCD Duty (DS) ..................................................................................................76
8.2.9 Booster Setup (VU)...........................................................................................76
8.2.10 Bias Setting Register (B)...................................................................................77
8.2.11 Register Access Control....................................................................................77
8.2.13 Gradation Palette Register (PA0~PA7, PB0~PB7, PC0~PC7).........................77
8.2.14 Display Start Common.......................................................................................87
8.2.15 Temperature Compensation Set .......................................................................87
8.2.16 Display Select Control.......................................................................................88
8.2.17 Data Bus Size Select.........................................................................................89
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Product Specification (V1.0) 08.04.2005
ELAN [ ELAN MICROELECTRONICS CORP ]
