EM65101AF datasheet(3/83 Pages) EMC

3 / 83 page

Contents

Product Specification (V0.4) 08.15.2005

• iii

Contents

General Description ...................................................................................... 1

Feature ........................................................................................................... 1

Applications ................................................................................................... 2

Pin Configurations ........................................................................................ 2

4.1 Alignment Key .................................................................................................... 2

4.2 Pin Dimensions .................................................................................................. 3

4.3 Recommended COG ITO Traces Resistor ......................................................... 3

4.3 PAD Coordinates Table ...................................................................................... 4

Functional Block Diagram ............................................................................ 9

Pin Description ............................................................................................ 10

6.1 Power Supply Pins ........................................................................................... 10

6.2 LCD Power Supply Circuit Pins........................................................................ 10

6.3 System Bus Pins .............................................................................................. 11

6.4 LCD Driver Circuit Signals................................................................................ 12

6.5 Oscillating Circuit Pins...................................................................................... 12

6.6 EEPROM Power Pins....................................................................................... 12

Functional Description................................................................................ 13

7.1 MPU Interface .................................................................................................. 13

7.1.1

Reset Pin Description (RESB) ..........................................................................13

7.1.2

Selection of Interface Type................................................................................13

7.1.3

Parallel Input .....................................................................................................13

7.1.4

Read/Write Functions of the Register and Display RAM ..................................13

7.1.5

Serial Interface ..................................................................................................14

7.1.5.1 4-Wire Serial Interface........................................................................14

7.1.5.2 3-Wire Serial Interface........................................................................14

7.2 Writing Data to Display RAM and Control Register .......................................... 15

7.2.1

Writing Data Operation......................................................................................15

7.2.2

Writing Data to Display RAM Data ....................................................................16

7.3 Y and X Address Circuits.................................................................................. 16

7.3.1

Y Address Circuit...............................................................................................16

7.3.2

X Address Circuit...............................................................................................16

7.3.3

EM65101 Display RAM Mapping ......................................................................18

7.4 Internal Register Read ..................................................................................... 19

7.4.1

Read Display RAM Operation ...........................................................................19

7.4.2

7.4 Display RAM Access Using Window Function ................................................. 20

7.5 Display RAM Data and LCD............................................................................. 20

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