S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 225
S1D12200
Manufacturer Part Number
S1D12200
Description
S1d12000 Series Lcd Driver Ic Technical Manual Technical Manual
Manufacturer
Epson Electronics America, Inc.
Datasheet
1.S1D12200.pdf
(260 pages)
- Current page: 225 of 260
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RAM data write
Function: Writes data in the RAM areas of the DDRAM,
<Data write example>
An example of writing one line of data into the DDRAM continuously is shown below.
NOP
Function: A no-operation command. No operation is
Rev. 2.1
RE A0 WR D7 D6 D5 D4 D3 D2 D1 D0
0/1 1
RE A0 WR D7 D6 D5 D4 D3 D2 D1 D0
0/1 0
0
0
CGRAM, symbol register RAM, static icon
RAM, and electronic volume RAM.
Before this command, be sure to execute the
address set command.
After that, each time data is written, the
address will be automatically incremented.
(Regarding the RE bit, the contents set by the
command will be kept in memory.)
performed functionally. However, because
a test mode reset function exists inside, the
test mode can be reset if the IC is put into this
mode by an effect of noise.
It is recommended to add this command at
each breakpoint of the program.
0
NO
0
0
DATA
0
Set RAM address
0
End of 1 line?
Write data
0
YES
0
0
EPSON
Note: Before executing instructions in succession,
1 Data is written into the DDRAM, CGRAM, symbol
2 The address counter is automatically incremented by
Test mode
Function: An IC test mode set command. Don’t use it
RE A0 WR D7 D6 D5 D4 D3 D2 D1 D0
0/1 0
secure a time exceeding t
execute them.
register RAM, static icon RAM, or electronic volume
RAM.
1, so data can be written in succession. However, the
address counter advances from 00H to 7FH to 00H.
Accordingly, when writing data into the CGRAM,
take care not to write it at the addresses subsequent to
30H.
0
in any case.
0
0
0
CYC
0
and then
S1D12400 Series
*
*
*
*
6–37
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