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(yè)數(shù)： 12/57頁(yè)
文件大小： 288K
代理商： KS0717
KS0717
55COM/100SEG DRIVER & CONTROLLER FOR STN LCD
12
Preliminary
Serial interface (PS =
“
L
”
)
When KS0717 is active, serial data (DB7) and serial clock (DB6) inputs are enabled. 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 easily affected by the external noise caused
by the line length, the operation check on the actual machine is recommended.
BUSY FLAG
The busy flag indicates whether the KS0717 is operating or not. When DB7 is HIGH 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
need not check this flag before each instruction, which improves the microprocessor performance.
DATA TRANSFER
The KS0717 uses a bus holder and an internal data bus for data transfer with MPU. When writing data from the
MPU to an on-chip RAM, data is automatically transferred from the bus holder to the RAM as shown in Figure 2.
And when reading data from an on-chip RAM to MPU, the data for the initial read cycle is stored in the bus holder
(dummy read) and MPU reads this stored data from bus holder for the next data read cycle as shown in Figure 6.3.
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.
Figure 3. Serial Interface Timing
CS1B
CS2
SID
SCLK
RS
DB5
DB6
DB7
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KS0718 制造商:SAMSUNG 制造商全稱(chēng):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(chēng):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(chēng):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(chēng):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(chēng):Samsung semiconductor 功能描述:160 COM / 160 SEG DRIVER FOR STN LCD
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