參數(shù)資料
型號: LG240641-SFLYH6V
廠商: Electronic Theatre Controls, Inc.
英文描述: LCD Module
中文描述: 液晶顯示模塊
文件頁數(shù): 25/31頁
文件大小: 319K
代理商: LG240641-SFLYH6V
LG240641-SFLYH6V - 25 -
Relationship between User CG RAM Address and Offset Register
Offset register data CG RAM Address (start to end)
00H 0000H to 07FFH
01H 0800H to 0FFFH
02H 1000H to 17FFH
-- --
0EH 7000H to 77FFH
0FH 7800H to 7FFFH
Character pattern of specified CG code can be written in the pointed address by
Register
setting
command (Set Address Pointer). 8 bytes of data should be sent to following 8
bytes of address for 1 character.
Example:
Offset register 02H
Character code 80H
Character generator RAM start address 0001 0100 0000 0000
1 4 0 0 H
Character pattern can be displayed by sending CG code with
Data Write
command. But
Set Display Mode
for text display should be selected before using CG. In case that
CG
ROM Mode
is selected, character pattern is selected from built-in CG ROM when MSB=0
(00H - 7FH), and from User CG RAM when MSB=1 (80H-FFH). In case that
CG RM
Mode
is selected, all character patterns are selected from User CG RAM (00H-FFH).
(Note) It must be careful so that User CG RAM area should not be rewritten by display
data, etc.
( address) (data)
1400H 00H
1401H 1FH
1402H 04H
1403H 04H
1404H 04H
1405H 04H
1406H 04H
1407H 00H
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