ra8816 RAIO Technology Inc., ra8816 Datasheet - Page 14

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

Preliminary Version 1.6
RAiO TECHNOLOGY INC.
[03h] Memory Write Mode Register (MWMR)
BMOD[1..0]: Setup the range for memory written.
BIEN: Busy interrupt control. 1
ASCS: Select ASCII Table 。 0
BOLD: Select Bold Font to write Display RAM. 0
INV: Select reverse font to write Display RAM. 0
MD[1..0]: Select operation mode for Display RAM.
When Full-Size mode(MD[1..0] = 11), if the first byte data is less than 80h, RA8816 will assume it’s an
ASCII code and show the Big ASCII font. But if want to show the Big ASCII font that code is large than 80h,
then the operation mode has to change to Big ASCII mode(MD[1..0] = 10).
RW
0
disable.
BMOD1
DB7
BMOD1
BMOD0
0
0
1
DB6
BMOD0
MD1
0
0
1
1
BIEN
Select ASCII Table-1. 1
0
1
x
DB5
Busy interrupt enable (After write data to memory). 0
MD0
0
1
0
1
ASCS
DB4
Table 5-4
Table 5-5
Display Range + Scroll-Buffer
14/68
Memory Range of Write
Small ASCII (8X8)
Normal Display Range
Operation Mode
Big ASCII(8X16)
Full Size(16X16)
Normal font. 1
Normal font. 1
Graphic Mode
BOLD
Scroll-Buffer
DB3
Select ASCII Table-2. Refer Chapter 6-9.
144x65 Character/Graphic LCD Driver
DB2
INV
Reverse font.
Bold font.
MD1
DB1
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MD0
DB0
Busy interrupt
RA8816