S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 237

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

Symbol Register RAM
The S1D12400 series is provided with a symbol register RAM that permits setting each symbol so that symbols may be
displayed individually on the screen.
The symbol register capacity is 160 bits in both S1D12400, S1D12401 and S1D12402 series and up to 160 symbols can
be displayed.
Each symbol can be blink-controlled in units of bit by using D7 and D6.
The relation among symbol register display patterns, RAM address and write data is shown by citing an example.
[S1D12400 (4-line 16-digit display), S1D12401 (2-line 16-digit display)]
Rev. 2.1
COMS1
COMS2
SEG1
RAM address [RE = 1]
60H to 6FH
70H to 7FH
61
1
2
2
3
3 4
1
4
65
5
5
F
F
0
1
0
1
EPSON
BONF
BONF
BONF
BONF
BONF
BONF
D7
SEG71
151
71
IORH
IORH
IORH
IORH
IORH
IORH
15
*
*
*
*
*
*
Bits for symbol
155
75
75
156
76
81
86
1
6
157
SEG76
82
87
77
2
7
156
76
158
78
83
88
3
8
S1D12400 Series
16
159
79
84
89
4
9
160
80
80
160
D0
10
80
85
90
5
6–49