Contents
7.9 Display Data Structure and Gradation Control.................................................. 26
7.9.1 Gradation Mode (65K Color) ...........................................................................27
7.9.1.1 8-Bit Mode........................................................................................27
7.9.1.2 16-Bit Mode......................................................................................28
7.9.2 Gradation Mode (4096 Color)..........................................................................29
7.9.2.1 8-Bit Mode........................................................................................29
7.9.2.2 16-Bit Mode......................................................................................30
7.9.3 Gradation Mode (256 Color)............................................................................31
7.9.3.1 8-Bit Mode........................................................................................31
7.9.3.2 16-Bit Mode (WLS=1).......................................................................32
7.10 Gradation LSB Control...................................................................................... 33
7.11 Display Timing Circuit ........................................................................................ 33
7.11.1 Signal Generation to Display Line Counter and
Data Latching Circuit.......................................................................................34
7.11.2 Generation of the Alternated Signal (internal M) and
the Synchronous Signal (internal FLM) ...........................................................34
7.11.3 Display Data Latching Circuit ..........................................................................34
7.12 Output Timing of LCD Driver ............................................................................. 35
7.13 LCD Drive Circuit ............................................................................................... 36
7.14 Oscillator Circuit................................................................................................. 36
7.15 Power Supply Circuit ......................................................................................... 36
7.16 Booster Circuit ................................................................................................... 36
7.17 Electronic Volume .............................................................................................. 37
7.18 Voltage Regulator .............................................................................................. 37
7.19 Voltage Generation Circuit................................................................................. 38
7.20 EEPROM Function............................................................................................. 40
7.20.1 EEPROM Program, Read, and Erase Flow Charts..........................................41
7.20.2 Vop Calibration Offset Examples.....................................................................43
7.21 Partial Display Function..................................................................................... 46
7.22 Discharge Circuit................................................................................................ 47
7.23 Scroll Function ................................................................................................... 47
7.23.1 Settings Scrolling Data Area in RAM ...............................................................50
7.24 Initialization ........................................................................................................ 51
7.25 Safety Measures when Switching Power ON and OFF .................................... 52
7.25.1 When Using the External Power Supply..........................................................52
7.25.2 When Using the Built-in Power Supply ............................................................52
7.25.3 Power Supply Rising Time...............................................................................53
7.26 Example of Setting Registers ............................................................................ 53
7.26.1 Initialization......................................................................................................53
7.26.2 Display Data ....................................................................................................54
7.26.3 Power OFF......................................................................................................54
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Product Specification (V1.0) 09.05.2005
ELAN [ ELAN MICROELECTRONICS CORP ]
