參數(shù)資料
型號： HCD66730A01
廠商： Hitachi,Ltd.
英文描述： Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
中文描述： 點陣液晶顯示控制器/驅(qū)動器支持日語漢字，韓文字體顯示
文件頁數(shù)： 68/131頁
文件大?。?/td> 5332K
代理商： HCD66730A01
HD66730/HD66731
67
Status Register (ST)
The status register (Figure 5) includes the busy flag (BF), display line bits (NF1/0), and display raster-row
bits (LF0 to LF3). If BF is 1, an instruction is being executed, and another instruction will not be accepted
during this time. Any attempt to write data to a register at this time is ignored.
Rasters-rows are driven one at a time according to specific timing to perform liquid crystal display. Bits
NF1 and NF0 indicate display lines, and bits LF3 to LF0 indicate the raster-row in a line. If character
display degenerates when rewriting DDRAM, rewrite only those display lines that are not currently being
read out by the system for display. During segment display, the next state of the last raster-row in the
character display is read out.
Table 9
Display State According to NF1 and NF0
NF1
NF0
Display State
0
0
Displaying the first line
0
1
Displaying the second line
1
0
Displaying the third line
1
1
Displaying the fourth line
Table 10
Display State According to LF3 to LF0
LF3
LF2
LF1
LF0
Display State
0
0
0
0
Displaying the first raster-row
0
0
0
1
Displaying the second raster-row
0
0
1
0
Displaying the third raster-row
0
0
1
1
Displaying the fourth raster-row
1
1
0
0
Displaying the 13th raster-row
R/W
1
RS
0
DB7
BF NF1 NF0
0
LF3 LF2 LF1
DB0
LF0
Figure 5 Status Register
相關(guān)PDF資料
PDF描述
HCD66731A00BP Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HCD66731A01BP Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HCD66731A00BP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HCD66731A01BP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HCD66740BP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:112 x 80-dot Graphics LCD Controller/Driver
HCD66740WBP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:112 x 80-dot Graphics LCD Controller/Driver
HCD66750BP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions
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