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參數(shù)資料
| 型號(hào)： | KS0717 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | Driver & Controller for STN LCD(STN LCD驅(qū)動(dòng)器和控制器) |
| 中文描述： | 驅(qū)動(dòng)程序 |
| 文件頁數(shù)： | 18/57頁 |
| 文件大?。?/td> | 288K |
| 代理商： | KS0717 |
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KS0717
55COM/100SEG DRIVER & CONTROLLER FOR STN LCD
18
Preliminary
LCD DISPLAY CIRCUITS
OSCILLATOR
This is a completely on-chip oscillator and its frequency is nearly independent of V
DD
. This oscillator signal is used
in the voltage converter and display timing generation circuit.
DISPLAY TIMING GENERATOR CIRCUIT
This circuit generates some signals to be used to displaying LCD. The display clock (CL) generated by the
oscillation clock, generates a clock to the line counter and a latch signal to the display data latch. The line address
of the on-chip RAM is generated in synchronization with the display clock (CL). While the 100-bit display data is
latched by the display data latch circuit in synchronization with the display clock. The display data read to the LCD
driver is completely independent of the access to the display data RAM from the microprocessor.
The display clock generates an LCD AC signal (M) which enables the LCD driver to make an AC drive waveform,
and also generates an internal common timing signal and start signal to the common driver. 2-frame AC driver
waveforms and internal timing signal are shown in Figure 7. When this KS0717 is used for multi-chip, the slave
chip must receive the M, CL, DISP signals from the master. Table 8. shows the M, CL, and DISP status.
Table 8. Master and Slave Signal Status
Operation Mode
Master
Oscillator ON / OFF
ON (internal clock used)
OFF (external clock used)
M
CL
DISP
Output
Output
Input
Output
Output
Input
Output
Input
Input
Slave
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相關(guān)代理商/技術(shù)參數(shù) |
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| KS0718 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:81 COM / 104 SEG DRIVER & CONTROLLER FOR STN LCD |
| KS0724 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD |
| KS0741 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:128 SEG / 129 COM DRIVER & CONTROLLER FOR 4 GRAY SCALE STN LCD |
| KS0759 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD |
| KS0794 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:160 COM / 160 SEG DRIVER FOR STN LCD |
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