S1D1 Epson Electronics America, Inc., S1D1 Datasheet - Page 407

• Manufacturer Part Number: S1D1
• Description: LCD Controller-driver With Built-in Character ROM
• Manufacturer: Epson Electronics America, Inc.

S1D15705 Series
(23) n-Line Reversal Drive Reset
This command resets the n-line reversal alternating current drive and returns to the normal 2-frame reversal alternating
current drive system. The value of the n-line reversal alternating current drive register is not changed.
(24) Built-in Oscillator Circuit ON
This command starts the operation of the built-in CR oscillator circuit. This command is valid only for the master
operation (M/S=HIGH) and built-in oscillator circuit valid (CLS=HIGH).
(25) NOP
Non-OPeration
(26) Test
IC chip test command. Do not use this command. If the test command is used incorrectly, it can be reset by setting the
RES input to LOW or by using the reset command or NOP.
(Note) Although the S1D15705 series holds the command operating state, it may change the internal state if excessive
10–48
A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0
A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0
A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0
A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0
0
0
0
0
E R/W
E R/W
E R/W
E R/W
1
1
1
1
foreign noise is entered. Such action that suppresses the generation of noise and prevents the effect of noise
needs to be taken on installation and systems. Besides, to prevent sudden noise, it is recommended that the
operating state should periodically be refreshed.
0
0
0
0
1
1
1
1
1
0
1
1
1
1
1
1
0
0
0
1
0
1
0
*
1
0
0
*
0
1
1
*
EPSON
0
1
1
*
*: Invalid bit
Rev. 3.1a