7. COMMAND
S1D15722D01B000 Technical Manual (Rev.1.1)
EPSON
33
(12) Set n line inverted drive register
This command allows setting the number of inverted lines of the liquid crystal AC drive and starting of the
line inverting drive. The number of lines that can be set is 4 to 184 (45 states for 4 lines each). For more
information, see 6.4 Display Timing Signal Generator in FUNCTIONAL DESCRIPTION.
E R/
__
W
A0
___
RD
___
WR D7 D6 D5 D4 D3 D2 D1 D0
Command
0 1 0 0 0 1 1 0 1 1 0
Set
mode
1 1 0
*
*
P5 P4 P3 P2 P1 P0
Set
register
Note: An asterisk (*) denotes invalid bit.
Relationship between the register value with set register and the number of inverted lines is shown below.
P5 P4 P3 P2 P1 P0
Number of
inverted lines
0 0 0 0 0 0
4 (1
×
4)
0 0 0 0 0 1
8 (2
×
4)
↓
↓
1 0 1 1 0 0
180 (45
×
4)
1 0 1 1 0 1
184 (46
×
4)
Note: After resetting by the
____
RES pin, the number of inverted lines is set to 4.
Note: Register setting at (1, 0, 1, 1, 1, 0) or higher is not allowed.
(13) n line inverted drive ON/FF
This command allows ON/OFF of the n line inverted drive.
E R/
__
W
N line
A0
___
RD
___
WR D7 D6 D5 D4 D3 D2 D1 D0
inverted
drive
0 1 0 1 1 1 0 0 1 0 0
OFF
1 ON
Note: After resetting by the
____
RES pin, the n line inverted drive is set to OFF.
(14) Set display mode
This command allows setting of the normal display mode. Structure of display data RAM in the 4-gray
scale display differs from that in the binary display. For more information, see 6.2 Display RAM
FUNCTIONAL DESCRIPTION.
E R/
__
W
A0
___
RD
___
WR D7 D6 D5 D4 D3 D2 D1 D0
Command
0 1 0 0 1 1 0 0 1 1 0
Set
mode
1 1 0
*
*
*
*
*
*
P1 P0
Set
register
Note: An asterisk (*) denotes invalid bit.
Relationship between the register value with set register and display mode is shown below.
P1 P0
Display mode
0 0
4-gray scale display
0 1
Binary display
Note: After resetting by the
____
RES pin, the display is set to 4-gray scale.