參數(shù)資料
型號: HD66728
廠商: Hitachi,Ltd.
英文描述: 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點圖形LCD控制器)
中文描述: 112 × 80點圖形LCD控制器/驅(qū)動器(112 × 80點圖形液晶顯示控制器)
文件頁數(shù): 132/138頁
文件大?。?/td> 2158K
代理商: HD66728
HD66728
132
11. Applies to the internal oscillator operations using external oscillation resistor Rf (figure 72 and table
42).
OSC1
OSC2
Rf
Since the oscillation frequency varies depending on the OSC1 and OSC2 pin
capacitance, the wiring length to these pins should be minimized.
Figure 72 Internal Oscillation
Table 42 External Resistance Value and R-C Oscillation Frequency (Referential Data)
External
Resistance (Rf)
R-C Oscillation Frequency: fosc
Vcc = 1.8 V
Vcc = 2.2 V
Vcc = 3.0 V
Vcc = 4.0 V
Vcc = 5.0 V
200 k
270 k
300 k
330 k
360 k
390 k
430 k
470 k
86 kHz
111 kHz
130 kHz
140 kHz
148 kHz
70 kHz
86 kHz
100 kHz
108 kHz
113 kHz
64 kHz
79 kHz
92 kHz
98 kHz
102 kHz
60 kHz
74 kHz
86 kHz
91 kHz
95 kHz
57 kHz
69 kHz
79 kHz
84 kHz
87 kHz
54 kHz
64 kHz
74 kHz
78 kHz
81 kHz
49 kHz
59 kHz
67 kHz
71 kHz
74 kHz
46 kHz
54 kHz
61 kHz
65 kHz
67 kHz
12. Booster characteristics test circuits are shown in figure 73.
(Five-times boosting)
(Quadruple boosting)
GND
Vcc
1
μ
F
Vci
C1+
C1-
C2+
C2-
C3+
C3-
C4+
C4-
VLOUT
V
LCD
+
1
μ
F
+
GND
Vcc
Vci
C1+
C1-
C2+
C2-
C3+
C3-
C4+
C4-
VLOUT
V
LCD
+
+
1
μ
F
1
μ
F
+
+
+
+
+
1
μ
F
1
μ
F
1
μ
F
1
μ
F
1
μ
F
Figure 73 Booster
相關(guān)PDF資料
PDF描述
HD66730 Dot-Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅(qū)動器)
HD66731 Dot-Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅(qū)動器)
HD66731A00TB0L 122 x 32 pixel format, Compact LCD size
HD66731A00TA0L Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66731A01TA0L Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66729 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
HD66730 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66730A00FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66730A01FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66731 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display