參數(shù)資料
型號: SED122ADXA
元件分類: 顯示控制器
英文描述: 16 X 60 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC165
封裝: DIE-165
文件頁數(shù): 21/50頁
文件大?。?/td> 398K
代理商: SED122ADXA
4–28
EPSON
SED1220
Character Generator RAM (CG ROM)
CGRAM contained in SED1220 enables user programming of character patterns for display signals with higher degrees
of freedom.
When using CGRAM, select it using the system command.
Capacity of CGRAM is 160 bits and accepts registration of any 4 5
× 8 dots patterns.
Following shows relationship between the CGRAM characters, CGRAM addresses and character code.
It is possible to set a 5
× 8 character size in this system. In this case, use the *7H/*FH RAM. Note that the *7H/*FH data
is inverted when a under-bar cursor is used.
CGRAM data (character pattern)
D7
D0 SEG
SEGS
12
45
Signal display
Character display
RAM address
Character code
0
1
00H~07H
10H~17H
00H
02H
08H~0FH
18H~1FH
01H
03H
2
3
4
5
6
7
8
9
A
B
C
D
E
F
**
*
**
*
**
*
**
*
**
*
**
*
**
*
**
*
**
*
**
*
**
*
**
*
**
*
**
*
**
*
**
*
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Unused
Character data
1: Display
0: Non-display
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