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參數(shù)資料
| 型號： | LC73101C |
| 文件頁數(shù)： | 17/34頁 |
| 文件大?。?/td> | 217K |
| 代理商： | LC73101C |
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LCD Voltage Generation Circuit
The V
1
, V
2
, V
3
, and V
4
potentials required for LCD drive are generated by resistor division of the V
1
voltage internally
to the IC. The voltage followers are used to convert the impedance of the V
1
, V
2
, V
3
, and V
4
potentials and supply those
levels to the LCD drive circuit. The bias ratio can be set with the LCD Bias Set command. Table 12 shows the
correspondence between the 6 bits of data specified by this command and value of the bias setting set by that data.
High Power Mode
The power supply circuit built into the LC73101C is an extremely low power consumption circuit in normal mode (when
HPM is high). As a result, the display quality with panels or LCDs that present a relatively large load may be
compromised. In such cases, the display quality can be improved by setting the HPM pin low to switch the LC73101C to
high power mode. We recommend testing in an actual system to decide whether or not to use this mode. Note that it may
be necessary to use an external power supply for LCD drive if high power mode cannot provide adequate display quality.
No. 6853-17/34
LC73101C
Table 12
D2
D1
D0
Bias setting
0
0
0
1/10
0
0
1
1/9
0
1
0
1/8
0
1
1
1/7
1
0
0
1/6
1
0
1
1/5
1
1
0
1/4
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