S1D15E06 Series
6.2.5.3 Mode 2 (lower scroll)
6.2.6 Display data latch circuit
Reading starts from line address 00H to reach the line
address AS-1 in the continuous reading mode. Upon
completion of reading of line address AS-1, the line
address moves to the DL to read the area corresponding
to AL lines from the line address DL as a scroll area. If
the final line address is read in the middle of reading the
scroll area, the line address to be read next will be AS.
When all AL lines have been read, the control goes back
to the line address 00H, and parameter AE is disabled.
DL can be specified in the range from AS to the final line
address.
The display data latch circuit is a latch to temporarily
latch the display data output from then display data
RAM to the liquid crystal drive circuit. Display normal/
reverse, display ON/OFF, and display all lighting ON/
OFF commands control the data in this latch, without
the data in the display data RAM being controlled.
6.2.7 Partial display
Partial display of the screen is provided by the partial
display ON/OFF command. The partial area (display
start line, number of display lines) are set by the partial
display set command.
The display start line of the parameter shows the line
assigned in the COM direction of the liquid crystal
screen. It is different from the line address given in Fig.
6.5 and 6.6.
6.2.5.4 Mode 3 (Center scroll)
Reading starts from line address 00H to reach the line
address AS-1 in the continuous reading mode.
Upon completion of reading of line address AS-1, the
line address moves to the DL to read the area
corresponding to AL lines from the line address DL as
a scroll area. If the final line address is read in the
middle of reading the scroll area, the line address to be
read next will be AS. When all AL lines have been read,
the line address will be AE+1. When up to the final line
address has been read, the control goes back to the line
address 00H, DL can be specified in the range from AS
to AE.
Example: When the point is set at 1 (COM4 to 7) by the
Duty Reset command, the display line is
assigned as shown below. If the display start
line 4 and display line count 3 are specified
by the partial display set command, the display
area is COM8 to COM10.
Display line
LCD panel
0
1
2
3
4
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
5
6
7
8
9
10
16
EPSON
Rev. 2.1
EPSON [ EPSON COMPANY ]
