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參數(shù)資料
| 型號： | S6B1400X |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 104 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD |
| 中文描述： | 104賽格/ 65 COM驅動程序 |
| 文件頁數(shù)： | 25/64頁 |
| 文件大?。?/td> | 445K |
| 代理商： | S6B1400X |
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S6B1400X SPEC. VER. 0.0 104 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
21
LCD DISPLAY CIRCUITS
Oscillator
This is completely on-chip oscillator and its frequency is nearly independent of V
DD
. This oscillator signal is used in
display timing generation circuit.
Display Timing Generator Circuit
This circuit generates some signals to be used for displaying LCD. The display clock, CL generated by oscillation
clock, generates a clock to the line counter and a latch signal to the display data latch. The line address of on-chip
RAM is generated in synchronization with the display clock (CL) and the 104-bit display data is latched by the
display data latch circuit in synchronization with the display clock. The display data which is read to the LCD driver is
completely independent of the access to the display data RAM from the microprocessor. The LCD AC signal, FR is
generated from the display clock. 2-frame AC driver waveforms with internal timing signal are shown in figure 10.
COM0
VLCD
V1
V2
V3
V4
V
SS
COM1
VLCD
V1
V2
V3
V4
V
SS
VLCD
V1
V2
V3
V4
V
SS
SEGn
64
65
1
2
3
4
5
6
7
8
9
10
11
12
58
59
60
61
62
63
64
65
1
2
3
4
5
6
CL
FR
Figure 10. 2-frame AC Driving Waveform (Duty Ratio = 1/65)
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| S6B1713 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD |
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