Contents
Contents
1
2
3
4
General Description ........................................................................................1
Feature..............................................................................................................1
Applications.....................................................................................................2
Pin Configurations ..........................................................................................2
4.1 Alignment Key...................................................................................................... 3
4.2 Pin Dimensions.................................................................................................... 3
4.3 Recommended Cog Ito Traces Resistor ............................................................. 4
4.4 PAD Coordinates Table........................................................................................ 5
Functional Block Diagram............................................................................12
5
6
Pin Descriptions............................................................................................13
6.1 Power Supply Pins............................................................................................. 13
6.2 LCD Power Supply Circuit Pins......................................................................... 13
6.3 System Bus Pins................................................................................................ 14
6.4 LCD Drive Circuit Signals .................................................................................. 15
6.5 Oscillating Circuit Pin......................................................................................... 16
7
Function Description ....................................................................................16
7.1 MPU Interface.................................................................................................... 16
7.1.1 Reset Pin Description (RESB).........................................................................16
7.1.2 Selection of Interface Type..............................................................................16
7.1.3 Parallel Input ...................................................................................................17
7.1.4 Read/Write Functions of Register and Display RAM .......................................17
7.1.5 Serial Interface................................................................................................17
7.1.5.1 4-Wire Type Serial Interface .............................................................17
7.1.5.2 3-Wire Type Serial Interface .............................................................18
7.2 Writing Data to Display RAM and Control Register........................................... 19
7.2.1 Writing Data Operation....................................................................................19
7.3 Internal Display RAM and Register Read ......................................................... 19
7.3.1 Read Display RAM Operation .........................................................................19
7.3.2 Register Read Operation.................................................................................20
7.4 16-Bit Data Access to Display RAM .................................................................. 20
7.5 Fast Burst RAM Write Function......................................................................... 21
7.6 Display RAM Access Using the Windows Function .......................................... 22
7.7 Display RAM Data and LCD .............................................................................. 22
7.8 Correlation between Display RAM and Address............................................... 23
7.8.1 Gradation Mode (65K Colors), (C256=0, 65K=1) ............................................23
7.8.2 Gradation Mode (4096 Colors), (C256=0, 65K=0)...........................................24
7.8.3 Gradation Mode (256 Colors), (C256=1, 65K=0).............................................25
7.8.4 Data Read and Write Bit Assignment ..............................................................26
Product Specification (V1.0) 09.05.2005
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ELAN [ ELAN MICROELECTRONICS CORP ]
