參數(shù)資料
型號: HD404849FS
廠商: Hitachi,Ltd.
元件分類: 其它接口
英文描述: TERMINAL
中文描述: IGBT模塊
文件頁數(shù): 103/125頁
文件大?。?/td> 471K
代理商: HD404849FS
HD404849 Series
103
Bit
Initial value
Read/Write
Bit name
3
Not used
2
0
W
LOR32
0
Not used
1
0
W
LOR31
LCD output register 3 (LOR3: $01F)
LOR31
0
1
R6/SEG13–SEG16 mode selection
R6
SEG13–SEG16
LOR32
0
1
R7/SEG17–SEG20 mode selection
R7
SEG17–SEG20
Figure 88 LCD Output Register 3 (LOR3)
Large Liquid-Crystal Panel Drive and V
LCD
:
If the capacitance of the LCD is very large while being
driven, decrease the capacitance by attaching external resistors in parallel, as shown in figure 89.
The size of these resistors cannot be simply calculated from the LCD load capacitance because the matrix
configuration of the LCD complicates the paths of charge/discharge currents flowing through the
capacitors—the resistance will also vary with lighting conditions. This size must be determined by trial-
and-error, taking into account the power dissipation of the device using the LCD, but a resistance of 1 to 10
k
is usually suitable. (Another effective method is to attach capacitors of 0.1 to 0.3
μ
F.)
Always turn off the power switch (set bit 1 of the LCR to 0) before changing the liquid-crystal drive
voltage (V
LCD
).
相關(guān)PDF資料
PDF描述
HD404849H SPLICE
HD404849TF TERMINAL
HD4074849 TERMINAL
HD4074849FS CONTACT
HD4074849H CONTACT
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