参数资料
型号: SED1225DGB
元件分类: 显示控制器
英文描述: 24 X 60 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC171
封装: DIE-171
文件页数: 14/39页
文件大小: 330K
代理商: SED1225DGB
EPSON
5–21
SED1225 Series
SED1225
Series
Character Generator RAM (CGRAM)
The SED1225 has a built-in CGRAM to program user-
defined character patterns for highly flexible signal and
character display.
Issue the System Setup command to use the CGRAM.
The CGRAM has the 160-bit storage capacity, and it can
store up to four 5
×8-dot character patterns.
The following provides the relationship between CGRAM
character patterns and CGRAM addresses and character
codes.
The 5
×8-dot character size can also be set. To do so, use the *7H and *FH RAM addresses. However, the *7H and *FH
data is reversed if the underbar cursor is used.
CGRAM Data
D7
D0 SEG
SEGS
1 2
4 5
Character Display
RAM
Address
Character
Code
0
1
00H to 07H
00H
08H to 0FH
01H
2
3
4
5
7
8
9
A
B
C
D
F
0
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
VV
V
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
61
1
0
E1
1
0
D7 to D5: Un used
D4 to D0: Character data (1 for display; 0 for no display)
Signal Display
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