hd66731a01tb0l Renesas Electronics Corporation., hd66731a01tb0l Datasheet - Page 101

• Manufacturer Part Number: hd66731a01tb0l
• Description: Dot-matrix Liquid Crystal Display Controller/driver Supporting Japanese Kanji, Korean Font Display - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

HD66730/HD66731
Examples of Register Setting (2-Line Liquid Crystal Drive: DT1/0 = 01, 4-Line
Display Mode: NL1/0 = 11)
100
Note: The DDRAM has 80 bytes. For a 4-line display mode, a 4-line 10-character/line display can
26
27
13
14
1
2
3
4
R/W RS
0
0
0
0
0
0
0
0
therefore be performed. Although the line and raster-row for scrolling can be designated as desired,
the first raster-row of the first line will be displayed after displaying raster-row 13 of line 4.
0
1
1
1
1
1
1
1
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
CPU Wait
CPU Wait
CPU Wait
CPU Wait
CPU Wait
CPU Wait
CPU Wait
0
0
0
0
0
1
1
0
Figure 33 Example of Performing Smooth Scroll Up
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
0
0
1
0
1
0
0
0
1
1
0
0
0
0
1
1
0
1
0
0
0
0
Scrolls one raster-row up
(Begins display from the second raster-row of the first line)
Scrolls two raster-rows up
(Begins display from the third raster-row of the first line)
Scrolls three raster-rows up
(Begins display from the fourth raster-row of the first line)
Scrolls 12 raster-rows up
(Begins display from the 13th raster-row of the first line)
Scrolls 13 raster-rows up
(Begins display from the first raster-row of the second line
and displays the second and third lines)
Scrolls 25 raster-rows up
(Begins display from the 13th raster-row of the second line)
Scrolls 26 raster-rows up
(Begins display from the first raster-row of the third line
and displays the third and fourth lines)
Index register set (R5 designation)