參數(shù)資料
型號: SED1335F
廠商: Electronic Theatre Controls, Inc.
英文描述: LCD Controller ICs
中文描述: LCD控制器芯片
文件頁數(shù): 139/148頁
文件大小: 388K
代理商: SED1335F
S-MOS Systems, Inc. 2460 North First Street San Jose, CA 95131 Tel: (408) 922-0200 Fax: (408) 922-0238
268-0.4
139
9.6 – 9.6.2
9.0 Application Notes
9.6 16
×
16-dot Graphic Display
9.6.1 Command Usage
This example shows how to display 16
×
16-pixel
characters. The command sequence is as follows:
CSRW
CSRDIR Set the cursor auto-increment di-
rection.
MWRITE Write to the display memory.
Set the cursor address.
9.6.2 Kanji Character Display
The program for writing large characters operates as
follows:
1. The microprocessor reads the character data
from its ROM.
2. The microprocessor sets the display address
and writes to the VRAM. The flowchart is
shown in Figure 91.
(1)
(3)
(5)
(7)
(9)
(11)
(13)
(15)
(17)
(19)
(21)
(23)
(25)
(27)
(29)
(31)
(2)
(4)
(6)
(8)
(10)
(12)
(14)
(16)
(18)
(20)
(22)
(24)
(26)
(28)
(30)
(32)
O
8
O
7
O
6
O
5
O
4
O
3
O
2
O
1
O
8
O
7
O
6
O
5
O
4
O
3
O
2
O
1
(6)
(4)
(2)
(19)
(17)
(15)
(13)
(11)
(9)
(7)
(5)
(3)
(1)
0H
1H
2H
3H
4H
5H
6H
7H
8H
9H
AH
BH
CH
DH
EH
FH
Data held in the microprocessor memory
Scan address A1 to A4
1st column
2nd column
(n) shows the CG ROM data
readout order
(Kanji ROM pattern)
CG ROM output
A
0
= 0
A
0
= 1
(4)
(2)
(3)
(1)
Data written into the SED1330 display memory
2nd column
memory area
1st column
memory area
Figure 91. Graphics address indexing
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