S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 223

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

Rev. 2.1
<Example of Address Set>
[S1D12400 RAM map] (4-line 16-digit display)
RE
0
1
High
SI
SIB
EV
TEST
order
0XH
1XH
2XH
3XH
4XH
5XH
6XH
7XH
0XH
1XH
2XH
3XH
4XH
5XH
6XH
7XH
Low
order
:
:
:
: Testing register. Don't use it.
Static icon RAM
Static icon blink control RAM
Electronic volume RAM
YES
0
SI
1
Write in RAM?
2
Set address
completed?
CGROM(00H)
CGROM(02H)
CGROM(04H)
SIB
Set RE bit
Write
Write
3
YES
NO
4
Unused
5
6
NO
Symbol register
Symbol register
DDRAM line 1
DDRAM line 2
DDRAM line 3
DDRAM line 4
DDRAM line 5
Unused
Unused
Unused
Unused
Unused
7
EPSON
EV TEST
8
9
A
CGROM(01H)
CGROM(03H)
CGROM(05H)
Note: When making access to the RAM after a
B
Unused
change of the RE bit, be sure to set the
address. If not, the contents of the RAM
will be abnormal on the display.
C
D
E
Be sure to set the RE bit
and the address in a pair.
F
Symbol register:
For static icon:
S1D12400 Series
COMSA, SEGSA - J
COMS1, 2
6–35