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HD66740 Datasheet, PDF (61/95 Pages) Hitachi Semiconductor – 112 x 80-dot Graphics LCD Controller/Driver
Setting Instructions (10-line Display: NL3-0 = 1001)
HD66740
Scroll up display
R/W RS DB7 DB6DB5 DB4 DB3 DB2DB1 DB0
0 0 01 00 10 00
0 0 01 0 100 00
SN3–SN0 = 0000
SL2–SL0 = 000
(1st raster-row of 1st line displayed at the top)
Set 96 x 80-dot initial display data to CGRAM
0 0 01 0 101 00
Scroll up 4 raster-rows
(5th raster-row of 1st line displayed at the top)
Update 1st-line (address 000 to 05FH) display data in CGRAM
CPU Wait
0 0 01 00 10 01
0 0 01 0 100 00
SN3–SN0 = 0001
SL2–SL0 = 000
(1st raster-row of 2nd line displayed at the top)
Update 1st-line (address 000 to 05FH) display data in CGRAM
CPU Wait
0 0 01 0 101 00
Scroll up 12 raster-rows
(5th raster-row of 2nd line displayed at the top)
Update 2nd-line (address 100 to 15FH) display data in CGRAM
CPU Wait
0 0 01 00 10 10
0 0 01 0 100 00
SN3–SN0 = 0010
SL2–SL0 = 000
(1st raster-row of 3rd line displayed at the top)
Update 2nd-line (address 100 to 15FH) display data in CGRAM
CPU Wait
0 0 01 0 101 00
Scroll up 20 raster-rows
(5th raster-row of 3rd line displayed at the top)
Update 3rd-line (address 200 to 25FH) display data in CGRAM
CPU Wait
0 0 01 00 10 11
0 0 01 0 100 00
SN3–SN0 = 0011
SL2–SL0 = 000
(1st raster-row of 4th line displayed at the top)
Update 3rd-line (address 200 to 25FH) display data in CGRAM
CPU Wait
0 0 01 0 101 00
Scroll up 28 raster-rows
(5th raster-row of 4th line displayed at the top)
Update 4th-line (address 300 to 35FH) display data in CGRAM
CPU Wait
Figure 32 Setting Instructions for Vertical Smooth Scroll
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