FD2000 Ver la hoja de datos (PDF) - Unspecified

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componentes Descripción

Fabricante

FD2000

LCD Display Driver

Unspecified 

FD2000

Rev1.0

CONTENTS

1. OVERVIEW ............................................................................................................................................................4

2. FEATURES.............................................................................................................................................................4

3. BLOCK DIAGRAM..................................................................................................................................................5

4. PIN ASSIGNMENTS...............................................................................................................................................6

4.1. 80-MQFP-1420 ................................................................................................................................................6

4.2. 80-LQFP-1212 .................................................................................................................................................7

5. PIN DESCRIPTIONS..............................................................................................................................................8

6. BLOCK FUNCTIONS..............................................................................................................................................9

6.1. AC (Address counter).......................................................................................................................................9

6.2. DCRAM (Data control RAM) ............................................................................................................................9

6.3. ADRAM (Additional data RaM) ......................................................................................................................10

6.4. CGROM (Character generator ROM) ............................................................................................................11

6.5. CGRAM (Character generator RAM) .............................................................................................................11

7. RESET FUNCTION .............................................................................................................................................12

8. SERIAL DATA TRANSFER FORMAT.................................................................................................................13

9. INSTRUCTION TABLE.........................................................................................................................................14

10. DETAILED INSTRUCTION DESCRIPTIONS ....................................................................................................15

10.1. Set display technique ― Sets the display technique ...................................................................................15

10.2. Display on/off control ― Turns the display on or off ....................................................................................15

10.3. Display shift ― Shifts the display.................................................................................................................16

10.4. Set AC address ― Specifies the DCRAM and ADRAM address for AC .....................................................17

10.5. DCRAM data write ― Specifies the DCRAM address and stores data at that address ..............................17

10.6. ADRAM data write ― Specifies the ADRAM address and stores data at that address ..............................19

10.7. CGRAM data write ― Specifies the CGRAM address and stores data at that address .............................21

11. NOTES ON THE POWER ON AND POWER OFF SEQUENCES ....................................................................22

12. LCD DRIVE TECHNIQUE ..................................................................................................................................23

12.1. 1/8 duty, 1/4 bias drive technique ................................................................................................................23

12.2. 1/9 duty, 1/4 bias drive technique ................................................................................................................24

12.3. 1/10 duty, 1/4 bias drive technique ..............................................................................................................25

13. SAMPLE APPLICATION CIRCUIT.....................................................................................................................26

13.1. 1/8 duty, 1/4 bias drive (For use with normal panels) ..................................................................................26

13.2. 1/8 duty, 1/4 bias drive (For use with large panels) .....................................................................................26

13.3. 1/9 duty, 1/4 bias drive (For use with normal panels) ..................................................................................27

13.4. 1/9 duty, 1/4 bias drive (For use with large panels) .....................................................................................27

13.5. 1/10 duty, 1/4 bias drive (For use with normal panels) ................................................................................28

13.6. 1/10 duty, 1/4 bias drive (For use with large panels) ...................................................................................28

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