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| 型號(hào)： | LC73101C |
| 文件頁數(shù)： | 9/34頁 |
| 文件大小： | 217K |
| 代理商： | LC73101C |
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Line address circuit
The line address circuit specifies the line address corresponding to the COM output when the contents of display data
RAM are displayed as shown in figure 4. Normally, the Display Start Line Address Set command specifies the
uppermost line of the display (which depends on the common output state: in normal mode: COM0 output; in the
inverted state: COM79 output). The maximum display area is 80 lines in the direction of increasing line address values
from the specified display start line address.
The data for the line address set by the Display Start Line Address Set command is passed to the common output driver
specified by the Common Output State Selection command and the address set by the Display Start Common Address
Set command in the common address circuit.
Operations such as scrolling the screen and switching pages can be implemented by changing display start line address
with this Display Start Line Address Set command.
Common address circuit
The line address circuit passes the display data for the line address determined by the line address circuit to the
common output driver offset by the number of lines set by the Display Start Common Address Set command.
Additionally, at this time the correspondence (figure 4) between the common output driver and the common address
specified by the Common Output State Selection command is take into consideration.
During partial display, the display position on the screen can be changed by changing this address without rewriting the
contents of display RAM.
Display data latch circuit
The display data latch circuit is a latch that temporarily holds the display data output to the LCD drive circuit from data
display RAM. Since the display normal/inverted and display on/off commands control this latched data, the data in
display data RAM is not changed by these functions.
No. 6853-9/34
LC73101C
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