Specifications

Rev. 2.4 EPSON 5–25
S1D12304/12305 Series
S1D12304/12305
Series
Character Generator RAM (CG RAM)
The S1D12304/12035 Series is provided with a CG RAM that permits user-programming character patterns so that they
can be displayed with a high degree of freedom for signal display.
Before using the CG RAM, select the use of CG RAM by the System Set command.
The capacity of the CG RAM is 140 bits and arbitrary patterns of 4 types consisting of 5 × 7 dots can be registered.
The relationship among CG RAM patterns, CG RAM addresses, and character codes is shown below.
CGRAM data (character pattern)
D7 D0
Display
RAM addressCharacter code
0
1
00H to 06H
10H to 16H
00H
02H
08H to 0EH
18H to 1EH
01H
03H
2
3
4
5
6
8
9
A
B
C
D
E
***
***
***
***
***
***
***
***
***
***
***
***
***
***
0
1
1
0
0
0
1
0
0
0
0
0
1
1
1
0
0
1
0
0
1
0
0
1
1
1
1
1
1
0
0
1
0
0
1
1
1
1
1
1
1
1
1
0
0
1
0
0
1
0
0
1
1
1
1
1
1
0
0
1
1
1
0
0
0
0
0
0
1
1
Unused Character data
1: Display
0: Non-display