BU9795AFV-LB Datasheet, PDF (16/29 Pages) Rohm – Standard LCD Segment Drivers

BU9795AFV-LB MAX 108 segments (SEG27×COM4)
Datasheet
Example of Display Data
If LCD layout pattern is shown as in Figure18, Figure19 and DDRAM data is shown as in Table 2, display pattern will be
shown as in Figure 20.
COM0
COM1
COM2
COM3
Figure 18. Example COM line pattern
SEG1 SEG3
SEG5 SEG7
SEG9
SEG2
SEG4 SEG6 SEG8
SEG10
Figure 19. Example SEG line pattern
Figure 20. Example Display pattern
COM0
COM1
COM2
COM3
Address
Table 2. DDRAM Data map
SSSSSSSSSSSSSSSSSSSS
EEEEEEEEEEEEEEEEEEEE
GGGGGGGGGGGGGGGGGGGG
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
D0 0 1 1 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0
D1 0 0 1 1 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0
D2 0 0 0 1 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0
D3 0 0 1 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0
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.Feb.2014 Rev.002