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參數(shù)資料
| 型號(hào)： | S6B0756 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 65COM / 96 SEG DRIVER & CONTROLLER FOR STN LCD |
| 中文描述： | 65COM / 96賽格驅(qū)動(dòng) |
| 文件頁(yè)數(shù)： | 21/74頁(yè) |
| 文件大?。?/td> | 356K |
| 代理商： | S6B0756 |
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S6B0756 65 COM / 96 SEG DRIVER & CONTROLLER FOR STN LCD
17
DISPLAY DATA RAM (DDRAM)
The Display Data RAM stores pixel data for the LCD. It is 65-row by 96-column addressable array. Each pixel can be
selected when the page and column addresses are specified. The 65 rows are divided into 8 pages of 8 lines and the
9th page with a single line (DB0 only). Data is read from or written to the 8 lines of each page directly through DB0 to
DB7. The display data of DB0 to DB7 from the microprocessor correspond to the LCD common lines as shown in
Figure 9. The microprocessor can read from and write to RAM through the I/O buffer. Since the LCD controller
operates independently, data can be written into RAM at the same time as data is being displayed without causing
the LCD flicker.
COM0
COM1
- -
- -
- -
COM2
COM3
- -
- -
COM4
DB0
DB1
0
0
1
- -
0
1
0
0
1
0
1
- -
- -
1
0
DB2
DB3
1
0
0
0
1
0
- -
- -
0
1
DB4
Display Data RAM LCD Display
Figure 9. RAM-to-LCD Data Transfer
Page Address Circuit
This circuit is for providing a Page Address to Display Data RAM shown in Figure 11. It incorporates 4-bit Page
Address register changed by only the "Set Page" instruction. Page Address 8 (DB3 is "H", DB2, DB1 and DB0 is "L")
is a special RAM area for the icons and display data DB0 is only valid.
Line Address Circuit
This circuit assigns DDRAM a Line Address corresponding to the first line (COM0) of the display. Therefore, by
setting line address repeatedly, it is possible to realize the screen scrolling and page switching without changing the
contents of on-chip RAM as shown in Figure 9
.
It incorporates 7-bit Line Address register changed by only the initial
display line instruction and 7-bit counter circuit. At the beginning of each LCD frame, the contents of register are
copied to the line counter which is increased by CL signal and generates the Line Address for transferring the 96-
bit RAM data to the display data latch circuit. However, display data of icons are not scrolled because the MPU can
not access Line Address of icons.
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PDF描述 |
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| S6B0759 | 81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD |
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| S6B0796 | 240 SEG / COM DRIVER FOR STN LCD |
| S6B1400X | 104 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD |
| S6B1713A05-B0CY | 65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S6B0759 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD |
| S6B0794 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:160 SEG / COM DRIVER FOR STN LCD |
| S6B0794X01-B0CY | 制造商:Samsung Semiconductor 功能描述: |
| S6B0796 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:240 SEG / COM DRIVER FOR STN LCD |
| S6B1400X | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:104 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD |
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