參數(shù)資料
型號: HD66740TB0
廠商: Hitachi,Ltd.
英文描述: 50/MDR/RECP/VERT PRS FIT/M2.6/SCW/30MIN
中文描述: 112 × 80點圖形LCD控制器/驅(qū)動器
文件頁數(shù): 83/95頁
文件大?。?/td> 856K
代理商: HD66740TB0
HD66740
83
11. Applies to the internal oscillator operations using external oscillation resistor Rf (figure 44 and table
28).
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 44 Internal Oscillation
Table 28 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 = 3.6 V
200 k
270 k
300 k
330 k
360 k
390 k
430 k
470 k
89 kHz
103kHz
115 kHz
121 kHz
70 kHz
80 kHz
88 kHz
92 kHz
65 kHz
73 kHz
80 kHz
83 kHz
60 kHz
68 kHz
74 kHz
77 kHz
55 kHz
62 kHz
68 kHz
71 kHz
52 kHz
58 kHz
64 kHz
66 kHz
48 kHz
53 kHz
58 kHz
60 kHz
44 kHz
48 kHz
52 kHz
54 kHz
12. Booster characteristics test circuits are shown in figure 45.
(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 45 Booster
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PDF描述
HD66740WTB0 112 x 80-dot Graphics LCD Controller/Driver
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66740WTB0 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:112 x 80-dot Graphics LCD Controller/Driver
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