參數(shù)資料
型號: HD66724
廠商: Hitachi,Ltd.
英文描述: Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動器)
中文描述: 圖形液晶顯示控制器/鍵掃描功能(帶鍵掃描功能的圖形液晶顯示控制器/驅(qū)動器驅(qū)動程序)
文件頁數(shù): 110/117頁
文件大?。?/td> 834K
代理商: HD66724
HD66724/HD66725
110
14. Applies to the internal oscillator operations using oscillation resistor Rf (figure 62).
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.
External resistance
(Rf)
CR oscillation frequency : fosc
Vcc = 2.2 V
45 kHz
36 kHz
33 kHz
30 kHz
29 kHz
27 kHz
28 kHz
Vcc = 1.8 V
40 kHz
33 kHz
30 kHz
28 kHz
26 kHz
24 kHz
Vcc = 3.0 V
48 kHz
38 kHz
35 kHz
32 kHz
30 kHz
Vcc = 4.0 V
50 kHz
40 kHz
36 kHz
33 kHz
31 kHz
29 kHz
Vcc = 5.0 V
51 kHz
41 kHz
37 kHz
33 kHz
31 kHz
29 kHz
390 k
510 k
560 k
620 k
680 k
750 k
Figure 62 Internal Oscillation
15. Booster characteristics test circuits are shown in figure 63.
(Triple boosting)
(Double boosting)
1
μ
F
1
μ
F
1
μ
F
1
μ
F
1
μ
F
GND
Vcc
Vci
C1+
C1-
VLOUT
+
V
LCD
C2+
C2-
+
GND
Vcc
Vci
C1+
C1-
VLOUT
+
V
LCD
C2+
C2-
+
+
Figure 63 Booster
相關(guān)PDF資料
PDF描述
HD66725 Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動器)
HD66726 Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動器)
HD66727 Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動器)
HD66728 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點圖形LCD控制器)
HD66730 Dot-Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅(qū)動器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66724/HD66725 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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HD66725 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:112 x 80-dot Graphics LCD Controller/Driver
HD66725A03TA0L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD CONTROLLER
HD66726 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