參數(shù)資料
型號: HD66732
廠商: Hitachi,Ltd.
英文描述: Graphics Liquid Crystal Display Controller/Driver Supporting JIS Level-1 and Level-2 Kanji ROM(圖形LCD控制器/驅(qū)動器)
中文描述: 圖形液晶顯示控制器/驅(qū)動器支持日標級- 1和第2級漢字光盤(圖形液晶顯示控制器/驅(qū)動器)
文件頁數(shù): 78/133頁
文件大?。?/td> 2608K
代理商: HD66732
HD66732
78
V
LCD
VR
R
0
R
R
R
-
+
-
+
-
+
-
+
-
+
GND
C1+
C1-
Vci
+
0.47
μ
F
to 1
μ
F
0.47
μ
F
to 1
μ
F
VLOUT
GND
+
C2+
C2-
+
0.47
μ
F
to 1
μ
F
Booster
OPOFF = GND
R
HD66732
V1OUT
+
V2OUT
V3OUT
V4OUT
V5OUT
+
+
+
+
LCD
driver
SEG1 to SEG120
COM1 to COM52
COMS1 to COMS2
V1
V3
V4
V2
V5
GND
0.1
μ
F
to 0.5
μ
F
GND
Vci
C3+
C3-
+
0.47
μ
F
to 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 (13 V).
Particularly, Vci must be 3.3 V or less for quadruple 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. Vci must be smaller than Vcc.
4. Polarized capacitors must be connected correctly.
5. Circuits for temperature compensation should be based on the sample circuit in figure 38.
Figure 37 Internal Booster for LCD Drive Voltage Generation
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