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| 型號(hào)： | SSD1339Z |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 132RGB x 132 with 2 smart Icon lines Dot Matrix OLED/PLED Segment/Common Driver with Controller |
| 中文描述： | 132RGB × 132 2智能圖標(biāo)行點(diǎn)陣的OLED /短差段/驅(qū)動(dòng)器與控制器通用 |
| 文件頁數(shù)： | 27/59頁 |
| 文件大?。?/td> | 916K |
| 代理商： | SSD1339Z |
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SSD1339
Rev 1.1
P 27/59 Jul 2005
Solomon Systech
The meaning of values inside data RAM with respect to the gray scale level is best to be illustrated in an
example below.
Gray Scale
(Pulse Width)
PW0
0
PW1
2
PW2
5
:
:
PW62
120
PW63
125
Value/DCLKs
Figure 19 – Illustration of relation between graphic display RAM value and gray scale control
Current Control and Voltage Control
This block is used to derive the incoming power sources into the different levels of internal use voltage
and current. V
CC
and V
DD
are external power supplies. V
REF
is reference voltage, which is used to derive
driving voltage for segments and commons. I
REF
is a reference current source for segment current drivers.
Segment Drivers/Common Drivers
Segment drivers deliver 396 current sources to drive OLED panel. The driving current can be adjusted
from 0 to 200uA with 256 steps. Common drivers generate voltage scanning pulse.
Segment
Voltage
Time
Color B RAM data = 000001b
PW1
pulse width = 2 DCLKs
VSS
Color B RAM data = 111110b
PW62
pulse width = 120 DCLKs
Gray Scale
Table
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