BU9797FUV-M Datasheet, PDF (16/28 Pages) Rohm – Integrated Buffer AMP for LCD Driving

BU9797FUV-M MAX 144 segments (SEG36×COM4)
Example of display data
If LCD layout pattern is like as Figure 16, Figure 17, and display pattern is like as Figure 18.
Display data will be shown as follows;
COM0
COM1
COM2
COM3
Figure 16. E.g. COM line pattern
SEG1 SEG3
SEG5 SEG7
SEG9
SEG2
SEG4 SEG6 SEG8
SEG10
Datasheet
Figure 17. E.g. SEG line pattern
Figure 18. E.g. Display pattern
<DDRAM data mapping in Figure 18 display pattern>
SSSSSSSSSSSSSSSSSSSS
EEEEEEEEEEEEEEEEEEEE
GGGGGGGGGGGGGGGGGGGG
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
COM0 D0 0 1 1 0 1 1 1 1 0 1 1 0 0 0 0 0 0 0 0 0
COM1 D1 0 0 1 1 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0
COM2 D2 0 0 0 1 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0
COM3 D3 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0
Address
00h 01h 02h 03h 04h 05h 06h 07h 08h 09h 0Ah 0Bh 0Ch 0Dh 0Eh 0Fh 10h 11h 12h 13h
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26.Aug.2013 Rev.001