hd66731a01tb0l Renesas Electronics Corporation., hd66731a01tb0l Datasheet - Page 96

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

Examples of Register Setting
Note: The number of dots that can be specified for scrolling is 48. Scrolling for more than this
51
1
2
3
4
5
6
R/W RS
0
0
0
0
0
0
0
number can be achieved by rewriting DDRAM data and scrolling again from dot 0.
Note that the number of characters shown on the LCD and the number of scroll characters
must be less than the number of maximum display characters (1-line display mode:
40 characters, 2-line display mode: 20 characters, 4-line display mode: 10 characters).
0
1
0
1
1
1
1
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
1
1
1
Figure 29 Example of Executing Smooth Scroll to the Left
0
0
0
0
0
0
0
CPU Wait
CPU Wait
CPU Wait
0
0
0
0
0
0
1
0
1
0
0
0
0
1
0
0
0
0
0
0
0
1
0
1
0
0
0
0
1
1
1
0
1
1
0
0
0
1
1
0
1
0
Index register set (R6 designation)
Enables scroll (scrolls only the second line)
Index register set (R7 designation)
Shifts the second line to the left by one dot
Shifts the second line to the left by two dots
Shifts the second line to the left by three dots
Shifts the second line to the left by 48 dots*
HD66730/HD66731
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