參數(shù)資料
型號(hào)： HD64646FS
廠商： Hitachi,Ltd.
英文描述： AIRBUS
中文描述： LCTC（LCD定時(shí)控制器）
文件頁(yè)數(shù)： 35/50頁(yè)
文件大?。?/td> 156K
代理商： HD64646FS
HD64645/64646
35
Data Bit
Program Unit
Raster
R/W
7
—
6
—
5
—
4
3
2
1
0
W
Nce (raster address)
Figure 27 Cursor End Raster Register
Data Bit
Program Unit R/W
7
6
5
4
3
2
1
0
R/W
Memory address (H) (R12)
Memory address (L) (R13)
Memory
address
Figure 28 Start Address Register
Data Bit
Program Unit R/W
7
6
5
4
3
2
1
0
R/W
Memory address (H) (R14)
Memory address (L) (R15)
Memory
address
Figure 29 Cursor Address Register
Multiplexing Duty Ratio Register (H/L) (R19/R20)
R19/R20 register (Figure 31) specifies the number of vertical dots of the display screen. The programmed
value differs according to the LCD screen configuration.
In single screen configuration:
(Programmed value) = (Number of vertical dots) – 1
In dual screen configuration:
(Number of vertical dots)
2
–1
(Programmed value) =
Display Start Raster Register (R21)
R21 register (Figure 32) specifies the start raster of the character row displayed on the top of the screen.
The programmed value should be equal or less than the maximum raster address. Updating this register
allows smooth scrolling in character mode.
相關(guān)PDF資料
PDF描述
HD647180 ELECTRICAL CHARACTERISTICS
HD647180X-4 ELECTRICAL CHARACTERISTICS
HD647180X-6 ELECTRICAL CHARACTERISTICS
HD647180X-8 ELECTRICAL CHARACTERISTICS
HD6473042 ABSOLUTE MAXIMUM RATINGS
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