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參數(shù)資料
| 型號(hào)： | KS0724 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD |
| 中文描述： | 65的COM / 132賽格驅(qū)動(dòng) |
| 文件頁數(shù)： | 19/66頁 |
| 文件大?。?/td> | 899K |
| 代理商： | KS0724 |
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KS0724 PRELIMINARY SPEC. VER. 0.8 65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD
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Serial Interface (PS = "L")
When the KS0724 is active, serial data (DB7) and serial clock (DB6) inputs are enabled. And not active, the
internal 8-bit shift register and the 3-bit counter are reset. Serial data can be read on the rising edge of serial clock
going into DB6 and processed as 8-bit parallel data on the eighth serial clock. Serial data input is display data
when RS is high and control data when RS is low. Since the clock signal (DB6) is easy to be affected by the
external noise caused by the line length, the operation check on the actual machine is recommended.
CS1B
CS2
SID
SCLK
RS
DB6
DB7
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
Figure 3. Serial Interface Timing
Busy Flag
The Busy Flag indicates whether the KS0724 is operating or not. When DB7 is "H" in read status operation, this
device is in busy status and will accept only read status instruction. If the cycle time is correct, the microprocessor
needs not to check this flag before each instruction, which improves the MPU performance.
Data Transfer
The KS0724 uses bus holder and internal data bus for data transfer with the MPU. When writing data from the
MPU to on-chip RAM, data is automatically transferred from the bus holder to the RAM as shown in figure 4. And
when reading data from on-chip RAM to the MPU, the data for the initial read cycle is stored in the bus holder
(dummy read) and the MPU reads this stored data from bus holder for the next data read cycle as shown in figure
5. This means that a dummy read cycle must be inserted between each pair of address sets when a sequence of
address sets is executed. Therefore, the data of the specified address cannot be output with the read display data
instruction right after the address sets, but can be output at the second read of data.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| KS08 | 制造商:TME 功能描述:PROBE SURFACE HIGH TEMPERATURE 制造商:TME 功能描述:PROBE, SURFACE, HIGH TEMPERATURE |
| KS080ASSWB | 制造商:Multiple Source 功能描述:ANTISTATIC SWIVEL CASTOR |
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