ra8816 RAIO Technology Inc., ra8816 Datasheet - Page 42

• Manufacturer Part Number: ra8816
• Description: 144x65 Character/graphic Lcd Driver
• Manufacturer: RAIO Technology Inc.

Preliminary Version 1.6
RAiO TECHNOLOGY INC.
6-9 ASCII Block
The RA8816 built-in three ASCII block which contines ASCII and special symbol for user to show on
display directly in text mode. Actually these three ASCII block are store in 256Kbyte Font ROM(see
Chapter 6-2). As the Figures 6-33~6-35, the left of each table is the High Nibble, and the right is the
Low Nibble. The selection of these block is by MD0 and MD1 of register MWMR.
The Figure 6-33 is the table of small ASCII. Each character size is 8x8 dots. Therefore if the LCD
panel size is 144Segx65Com then it can show eight rows, and each row has 18 samll ASCII font.
Figure 6-34 and 6-35 are the table of big ASCII. For the same panel size, it can show four row,
and each row has 18 character.
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Figure 6-34: Big ASCII (Table 1)
0 1 2 3 4 5 6 7 8 9 A B C D E F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Figure 6-33: Samll ASCII(Table 0)
0 1 2 3 4 5 6 7 8 9 A B C D E F
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0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
144x65 Character/Graphic LCD Driver
Figure 6-35: Big ASCII (Table 2)
0 1 2 3 4 5 6 7 8 9 A B C D E F
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RA8816