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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