參數(shù)資料
型號: HD66726
廠商: Hitachi,Ltd.
英文描述: Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動器)
中文描述: 圖形液晶顯示控制器/鍵掃描功能(帶鍵掃描功能的圖形液晶顯示控制器/驅(qū)動器驅(qū)動程序)
文件頁數(shù): 44/117頁
文件大?。?/td> 1549K
代理商: HD66726
HD66726
44
Vertical Scroll Control 1/2
SN2-0:
Specify the display start line output from COM1. Because the DDRAM is assigned a 5-line display
area, the data is displayed sequentially from the first line to the fifth line then repeated from the first line
again.
SL2–0:
Select the top raster-row to be displayed (display-start raster-row) in the display-start line specified
by SN2 to SN0. Any raster-row from the first to eighth can be selected (table 23). This function is used to
achieve vertical smooth scrolling together with SN2 to SN0. For details, see the Vertical Smooth Scroll
section.
R/W RS DB7
DB0
0
0
DB6 DB5 DB4 DB3 DB2 DB1
0
1
0
0
1
SN1 SN0
0
0
0
1
0
1
0
SL2 SL1 SL0
SN2
Figure 17 Vertical Scroll Control 1/2 Instruction
Table 22
SN Bits and Display-start Lines
SN2
SN1
SN0
Display-start Line
0
0
0
1st line
0
0
1
2nd line
1
1
0
3rd line
1
1
1
4th line
1
0
0
5th line
1
0
1
Setting inhibited
1
1
0
Setting inhibited
1
1
1
Setting inhibited
Table 23
SL Bits and Display-start Raster-row
SL2
SL1
SL0
Display-start Raster-row
0
0
0
1st raster-row
0
0
1
2nd raster-row
0
1
0
3rd raster-row
0
1
1
4th raster-row
1
0
0
5th raster-row
1
0
1
6th raster-row
1
1
0
7th raster-row
1
1
1
8th raster-row
相關(guān)PDF資料
PDF描述
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