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| 型號： | 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)行點陣的OLED /短差段/驅(qū)動器與控制器通用 |
| 文件頁數(shù)： | 41/59頁 |
| 文件大小： | 916K |
| 代理商： | SSD1339Z |
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SSD1339
Rev 1.1
P 41/59 Jul 2005
Solomon Systech
Master Contrast Current Control (C7h)
This command is to control the segment output current by a scale factor. This factor is common to color
A, B and C. The chip has 16 master control steps. The factor is ranged from 1 [0000] to 16 [1111]. POR
is 16 [1111]. The smaller the master current value, the dimmer the OLED panel display is set. For
example, if original segment output current of a color is 160uA at scale factor = 16, setting scale factor to
8 to reduce the current to 80uA. Please see Figure 26.
Segment output current
0
50
100
150
200
00
0F
1F
2F
3F
4F
5F
6F
7F
8F
9F
AF
BF
CF
DF
EF
FF
Contrast setting
O
Master current setting
0F
0E
0D
0C
0B
0A
09
08
07
06
05
04
03
02
01
00
Figure 26 – Segment output current for different contrast control and master current setting
Set Multiplex Ratio (CAh)
This command switches default 1:132 multiplex mode to any multiplex mode from 16 to 132. For
example, when multiplex ratio is set to 16, only 16 common pins are enabled. The starting and the
ending of the enabled common pins are depended on the setting of “Display Offset” register programmed
by command A2h.
Change contrast control
moves along the contrast
curve with constant slope
Change master current
selects different contrast
slope.
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