HD66727 Datasheet, PDF (74/97 Pages) Hitachi Semiconductor – Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function

HD66727
Scroll up display
R/W RS DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0 0 0 0 10
CT
0 0 0 1 1 00 0 0 0
SN2= 0
SN1/0 = 00 and SL2–SL0 = 000
(1st raster-row of 1st line displayed at the top)
Set initial character codes of 5 lines to all DDRAM addresses
0 0 0 1 1 00 0 0 1
CPU Wait
0 0 0 1 1 00 0 1 0
CPU Wait
0 0 0 1 1 00 0 1 1
CPU Wait
0 0 0 1 1 00 1 0 0
CPU Wait
Scroll up 1 raster-row
(2nd raster-row of 1st line displayed at the top)
Scroll up 2 raster-rows
(3rd raster-row of 1st line displayed at the top)
Scroll up 3 raster-rows
(4th raster-row of 1st line displayed at the top)
Scroll up 4 raster-rows
(5th raster-row of 1st line displayed at the top))
0 0 0 1 1 00 1 1 1
CPU Wait
00011 010 00
CPU Wait
Scroll up 7 raster-rows
(8th raster-row of 1st line displayed at the top)
Scroll up 8 raster-rows
(1st raster-row of 2nd line displayed at the top)
Update 1st-line (address 00H to 1BH) character codes in DDRAM
(While 1st line is not being displayed but
2nd to 5th lines are being displayed)
00011 010 01
CPU Wait
Scroll up 9 raster-rows
(2nd raster-row of 2nd line displayed at the top)
00011 011 11
CPU Wait
00011 100 00
CPU Wait
Scroll up 15 raster-rows
(8th raster-row of 2nd line displayed at the top)
Scroll up 16 raster-rows
(1st raster-row of 3rd line displayed at the top)
Update 2nd-line (address 10H to 1BH) character codes in DDRAM ^{(While 2nd line is not being displayed but}
1st and 3rd to 5th lines are being displayed)
00011 100 01
CPU Wait
Scroll up 17 raster-rows
(2nd raster-row of 3rd line displayed at the top)
Figure 42 Example of Setting Instructions for Vertical Smooth Scroll
(4-line display (NL1 and NL0 = 11))
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