BU97501KV Datasheet, PDF (25/33 Pages) Rohm – Integrated RAM for display data

BU97501KV
Datasheet
DISPLAY DDRAM DATA EXAMPLE
If LCD layout pattern is shown as in Figure 26 and 27 and DDRAM data is shown as in Table2, display
pattern will be shown as in Figure 28.
com1
com2
com3
com4
Figure 26. Example COM Line pattern
S1 _S3
S2
S5 S6 S8
S4
S7
S10
S9
Figure 27. Example of SEG Line pattern
Figure 28. Example of display pattern
SSSSSSSSSSSSSSSSSSSS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
COM1 D0 1 1 0 1 1 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0
COM2 D1 0 1 1 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0
COM3 D2 0 0 1 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0
COM4 D3 0 1 1 0 0 0 1 0 1 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
Table 2. DDRAM Data map
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