SSD1815BT ETC1 [List of Unclassifed Manufacturers], SSD1815BT Datasheet - Page 22

• Manufacturer Part Number: SSD1815BT
• Description: LCD Segment / Common Driver with Controller
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

Set Bias Ratio
selected using this command plus the “Set LCD Bias” command.
the extended command table, Table 5 on page 18.
Set Temperature Coefficient (TC) Value
this command in order to match various liquid crystal tempera-
ture grades. Please refer to the extended command table, Table
5 on page 18, for detail TC values.
Modify Oscillator Frequency
command. Since the oscillator frequency will be affected by
some other factors, this command is not recommended for gen-
eral usage. Please contact SOLOMON Systech Limited applica-
tion engineers for more detail explanation on this command.
Set 1/4 Bias Ratio
ratio is especially designed for use in under 12 mux display.
executed, with LSB=0, before the “Set Multiplex ratio” or “Set
LCD Bias” command is sent.
Set Total Frame Phases
this command.
MSTAT signals. These two pins output either V
same frequency but with phase different.
to these signals, while 1 phase overlapping is given to the Off
status.
the overlapping time and thus the lower the effective driving volt-
age at the Static Icon on the LCD panel.
Set Display Offset
tio is set less than SSD1815B’s default value.
mapped in the middle (y-direction) of the LCD, see the no offset
columns on Table 8 on page 21. Use this command could move
the display vertically within the 64 commons.
the multiplex ratio) towards the Row 0 direction for L lines, the 6-
bit data in second command should be given by L. An example
for 7 line moving towards to Com0 direction is given on Table 8
on page 21.
should be given by 64-L.
default multiplex value. That is the maximum value of L is given
by the half of the default value minus the reduced-multiplex ratio.
For an odd display mux after reduction, moving away from Row
0 direction will has 1 more step.
SOLOMON
Except the 1/4 bias, all other available bias ratios could be
For detail setting values and POR default, please refer to
4 different temperature coefficient settings is selected by
The oscillator frequency can be fine tuned by applying this
This command sets the bias ratio directly to 1/4. This bias
In order to restore to other bias ratio, this command must be
The total number of phases for one display frame is set by
The Static Icon is generated by the overlapping of the M and
To turn on the Static Icon, 3 phases overlapping is applied
The more the total number of phases in one frame, the less
This command should be sent ONLY when the multiplex ra-
When a lesser multiplex ratio is set, the display will be
To make the Reduced-Mux Com 0 (Com 0 after reducing
To move in the other direction by L lines, the 6-bit data
Please note that the display confined within SSD1815B’s
S S
or V
DD
at
07/2002
Rev1.6
SSD1815B
23