SSD1322 SOLOMON SYSTECH, SSD1322 Datasheet - Page 44

• Manufacturer Part Number: SSD1322
• Description: Dot Matrix High Power OLED/PLED Segment/Common Driver
• Manufacturer: SOLOMON SYSTECH

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10.1.17 Set Second Pre-charge period (B6h)
This double byte command is used to set the phase 3 second pre-charge period. The period of phase 3 can be
programmed by command B6h and it is ranged from 0 to 15 DCLK's. Please refer to Table 9-1 for the detail
information.
10.1.18 Set Gray Scale Table (B8h)
This command is used to set each individual gray scale level for the display. Except gray scale levels GS0
that has no pre-charge and current drive, each gray scale level is programmed in the length of current drive
stage pulse width with unit of DCLK. The longer the length of the pulse width, the brighter the OLED pixel
when it’s turned ON. Following the command B8h, the user has to set the gray scale setting for GS1, GS2, …,
GS14, GS15 one by one in sequence. Refer to Section 8.8 for details.
The setting of gray scale table entry can perform gamma correction on OLED panel display. Since the
perception of the brightness scale shall match the image data value in display data RAM, appropriate gray
scale table setting like the example shown below (
10.1.19 Select Default Linear Gray Scale Table (B9h)
This single byte command reloads the preset linear Gray Scale table as GS0 =Gamma Setting 0, GS1 =
Gamma Setting 0, GS2 = Gamma Setting 2, ... GS14 = Gamma Setting 104, GS14 = Gamma Setting 112.
Refer to Section 8.8 for details.
10.1.20 Set Pre-charge voltage (BBh)
This double byte command sets the first pre-charge voltage (phase 2) level of segment pins. The level of pre-
charge voltage is programmed with reference to V
10.1.21 Set V
This double byte command sets the high voltage level of common pins, V
programmed with reference to V
10.1.22Set Contrast Current (C1h)
This double byte command is used to set Contrast Setting of the display. The chip has 256 contrast steps from
00h to FFh. The segment output current I
brighter display.
SSD1322
Gamma
Setting
Gamma Look Up
table setting
COMH
Figure 10-15 : Example of Gamma correction by Gamma Look Up table setting
Rev 0.10
Gray Scale Table
Voltage (BEh)
P 44/56 Apr 2008
CC
. Refer to Table 9-1 for details.
Brightness
SEG
increases linearly with the contrast step, which results in
Figure 10-15
CC
. Refer to Table 9-1 for details.
Panel
response
Gamma Setting
) can compensate this effect.
Brightness
COMH
. The level of V
Result in linear
response
Gray Scale Table
COMH
Solomon Systech
is
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