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參數(shù)資料
| 型號(hào)： | HD66740WTB0 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 112 x 80-dot Graphics LCD Controller/Driver |
| 中文描述： | 112 × 80點(diǎn)圖形LCD控制器/驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 47/95頁(yè) |
| 文件大?。?/td> | 856K |
| 代理商： | HD66740WTB0 |
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HD66740
47
V
LCD
VR
R
0
R
R
R
-
-
-
-
+
-
+
GND
C1+
C1-
Vci
+
1
μ
F
1
μ
F
VLOUT
GND
+
C2+
C2-
+
Booster
OPOFF = GND
R
HD66740
V1OUT
+
V2OUT
V3OUT
V4OUT
V5OUT
+
+
+
+
LCD
driver
SEG1 to SEG112
COM1 to COM80
V1
V3
V4
V2
V5
GND
0.1
μ
F
to 0.5
μ
F
GND
Vci
C3+
C3-
C3+
+
C3-
+
1
μ
F
1
μ
F
1
μ
F
Notes:1. The reference voltage input (Vci) must be adjusted so that the output voltage after boosting will not exceed
the absolute maximum rating for the liquid-crystal power supply voltage (17 V). Particularly, Vci must be
3.3 V or less for five-times boosting.
2. Vci is both a reference voltage and power supply for the booster; connect it to Vcc directly or combine it
with a transistor so that sufficient current can be obtained.
3. Polarized capacitors must be connected correctly.
4. Circuits for temperature compensation should be based on the sample circuit in figure 24.
Figure 23 Internal Booster for LCD Drive Voltage Generation
Vcc
Thermistor
GND
Tr
Vcc
Vci
HD66740
Figure 24 Temperature Compensation Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| HD66741 | 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 |
| HD66750 | 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 |
| HD66750TB0 | 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 |
| HD66751 | 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 |
| HD66751S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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