Contents
Contents
1
2
3
General Description.................................................................................................. 1
Feature ....................................................................................................................... 1
Applications............................................................................................................... 1
3.1 Pin Configuration ................................................................................................2
3.2 Pin Dimensions...................................................................................................3
Functional Block Diagram...................................................................................... 12
Power Circuit Block Diagram................................................................................. 13
Pin Description........................................................................................................ 14
6.1 Power Supply Pins............................................................................................14
6.2 LCD Power Supply Circuit Pins ........................................................................14
6.3 System Bus Pins...............................................................................................15
6.4 LCD Drive Circuit Signals .................................................................................16
6.5 Oscillating Circuit Pin........................................................................................17
6.6 EEPROM Power Pin.........................................................................................17
Functional Description ........................................................................................... 17
4
5
6
7
7.1 MPU Interface...................................................................................................17
7.1.1 Reset Pin Description (RESB) ..........................................................................17
7.1.2 Selection of Interface Type................................................................................17
7.1.3 Parallel Input ....................................................................................................18
7.1.4 Read/Write Functions of the Registers and Display RAM ................................18
7.1.5 Serial Interface ..................................................................................................18
7.1.6 4-wire Serial Interface .......................................................................................18
7.1.7 3-Wire Type Serial Interface..............................................................................19
7.2 Data Write to Display RAM and Control Register .............................................20
7.3 Internal Register Read......................................................................................20
7.4 16-Bit Data Access to Display RAM..................................................................21
7.5 Fast Burst RAM Write Function ........................................................................21
7.6 Display Start Address Register .........................................................................22
7.7 Display RAM Addressing ..................................................................................22
7.8 Display RAM Access Using Windows Function ................................................25
7.9 Display RAM Data and LCD .............................................................................26
7.10 Segment Display Output Order/Reverse Set up...............................................26
7.11 Relationship between Display RAM and Address.............................................27
7.12 Display Data Structure and Gradation Control..................................................35
7.13 Gradation LSB Control.....................................................................................41
7.14 Gradation Palette.............................................................................................42
7.15 Color Display (PWM+FRC)..............................................................................47
7.16 Display Timing Circuit .......................................................................................49
Product Specification (V1.0) 08 04 2005
iii
ELAN [ ELAN MICROELECTRONICS CORP ]
