S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 37

• Manufacturer Part Number: S1D12200
• Description: S1d12000 Series Lcd Driver Ic Technical Manual Technical Manual
• Manufacturer: Epson Electronics America, Inc.

S1D12200 Series
Character Generator RAM (CG ROM)
CGRAM contained in S1D12200 Series 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
is inverted when a under-bar cursor is used.
Character code
2–28
01H
03H
00H
02H
08H to 0FH
18H to 1FH
00H to 07H
10H to 17H
RAM address
C
D
0
1
2
3
4
5
6
7
8
9
A
B
E
F
D7
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
CGRAM data (character pattern)
Unused
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
EPSON
0
1
1
0
0
0
1
0
0
0
0
0
0
1
0
0
Character data
1
0
0
1
0
0
1
0
0
0
1
1
1
1
0
0
1: Display
0: Non-display
1
0
0
1
0
0
1
0
1
1
1
1
1
1
0
0
1
0
0
1
0
0
1
0
0
0
1
1
1
1
0
0
*
D0 SEG
1
0
0
1
1
1
0
0
0
0
0
0
0
1
0
0
7H/
Character display
*
FH RAM. Note that the
SEGS
Signal display
1 2
*
7H/
Rev. 1.4
*
4 5
FH data