EM65570 ELAN Microelectronics Corp, EM65570 Datasheet - Page 4

• Manufacturer Part Number: EM65570
• Description: 68com / 98seg 65k Color Stn Lcd Driver
• Manufacturer: ELAN Microelectronics Corp

Contents
iv x
7.9
7.10 Gradation LSB Control...................................................................................... 33
7.11 Display Timing Circuit ........................................................................................ 33
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
7.21 Partial Display Function ..................................................................................... 46
7.22 Discharge Circuit................................................................................................ 47
7.23 Scroll Function ................................................................................................... 47
7.24 Initialization ........................................................................................................ 51
7.25 Safety Measures when Switching Power ON and OFF .................................... 52
7.26 Example of Setting Registers ............................................................................ 53
Display Data Structure and Gradation Control .................................................. 26
7.9.1
7.9.2
7.9.3
7.11.1 Signal Generation to Display Line Counter and
7.11.2 Generation of the Alternated Signal (internal M) and
7.11.3 Display Data Latching Circuit ..........................................................................34
7.20.1 EEPROM Program, Read, and Erase Flow Charts..........................................41
7.20.2 Vop Calibration Offset Examples .....................................................................43
7.23.1 Settings Scrolling Data Area in RAM ...............................................................50
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
7.26.1 Initialization......................................................................................................53
7.26.2 Display Data ....................................................................................................54
7.26.3 Power OFF ......................................................................................................54
Gradation Mode (65K Color) ...........................................................................27
7.9.1.1 8-Bit Mode ........................................................................................27
7.9.1.2 16-Bit Mode ......................................................................................28
Gradation Mode (4096 Color)..........................................................................29
7.9.2.1 8-Bit Mode ........................................................................................29
7.9.2.2 16-Bit Mode ......................................................................................30
Gradation Mode (256 Color)............................................................................31
7.9.3.1 8-Bit Mode ........................................................................................31
7.9.3.2 16-Bit Mode (WLS=1) .......................................................................32
Data Latching Circuit .......................................................................................34
the Synchronous Signal (internal FLM) ...........................................................34
Product Specification (V1.0) 09.05.2005