RA8816 데이터 시트보기 (PDF) - RAIO

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RA8816

144x65 Character/Graphic LCD Driver

RAIO 

Preliminary Version 1.6

RA8816

144x65 Character/Graphic LCD Driver

[03h] Memory Write Mode Register (MWMR)

RW

DB7

DB6

DB5

DB4

DB3

DB2

0

BMOD1 BMOD0 BIEN ASCS BOLD

INV

BMOD[1..0]: Setup the range for memory written.

DB1

MD1

DB0

MD0

BMOD1

0

0

1

BMOD0

0

1

x

Table 5-4

Memory Range of Write

Normal Display Range

Display Range + Scroll-Buffer

Scroll-Buffer

BIEN: Busy interrupt control. 1 Î Busy interrupt enable (After write data to memory). 0 Î Busy interrupt

disable.

ASCS: Select ASCII Table。0 Î Select ASCII Table-1. 1 Î Select ASCII Table-2. Refer Chapter 6-9.

BOLD: Select Bold Font to write Display RAM. 0 Î Normal font. 1 Î Bold font.

INV: Select reverse font to write Display RAM. 0 Î Normal font. 1 Î Reverse font.

MD[1..0]: Select operation mode for Display RAM.

MD1

0

0

1

1

Table 5-5

MD0 Operation Mode

0

Graphic Mode

1

Small ASCII (8X8)

0

Big ASCII(8X16)

1

Full Size(16X16)

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).

RAiO TECHNOLOGY INC.

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www.raio.com.tw

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