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參數(shù)資料
| 型號： | S6A0078 |
| 元件分類： | 顯示控制器 |
| 英文描述： | 34 X 120 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC183 |
| 封裝： | DIE-183 |
| 文件頁數(shù)： | 68/68頁 |
| 文件大小： | 328K |
| 代理商： | S6A0078 |
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34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
S6A0078
9
FUNCTION DESCRIPTION
SYSTEM INTERFACE
This chip has all three kinds interface type with MPU: Serial, 4-bit bus and 8-bit bus. Serial and bus (4-bit/8-bit) is
selected by IM input, and 4-bit bus and 8-bit bus is selected by DL bit in the instruction register.
During read or write operation, two 8-bit registers are used. one is data register (DR), the other is instruction register
(IR).
The data register (DR) is used as temporary data storage place for being written into or read from
DDRAM/CGRAM/SEGRAM, target RAM is selected by RAM address setting instruction. Each internal operation,
reading from or writing into RAM, is done automatically.
So to speak, after MPU reads DR data, the data in the next DDRAM/CGRAM/SEGRAM address is transferred into
DR automatically. Also after MPU writes data to DR, the data in DR is transferred into DDRAM/CGRAM/SEGRAM
automatically.
The Instruction register (IR) is used only to store instruction code transferred from MPU. MPU cannot use it to read
instruction data.
To select register, use RS/CS input pin in 4-bit/8-bit bus mode (IM = "High") or RS bit in serial mode (IM = "Low").
RS
R/W
Operation
0
Instruction Write operation (MPU writes Instruction code into IR)
0
1
Read busy flag (DB7) and address counter (DB0-DB6)
1
0
Data write operation (MPU writes data into DR)
1
Data read operation (MPU reads data from DR)
BUSY FLAG (BF)
When BF = "High", it indicates that the internal operation is being processed. So during this time the next instruction
cannot be accepted. BF can be read, when RS = low and R/W = high (read instruction operation), through DB7
Before executing the next instruction, be sure that BF is not high.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S6A0079 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD |
| S6A0090 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD |
| S6A0092 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:80 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD |
| S6A0093 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:80 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD |
| S6A0094 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:80 SEG / 34 COM DRIVER & CONTROLLER FOR STN LCD |
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