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參數(shù)資料
| 型號： | HD66717A03TA0 |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 晶體 |
| 英文描述： | (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver) |
| 中文描述： | （低功耗點陣液晶顯示控制器/驅(qū)動器） |
| 文件頁數(shù)： | 16/90頁 |
| 文件大?。?/td> | 716K |
| 代理商： | HD66717A03TA0 |
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HD66717
467
Booster
The booster doubles or triples a voltage input to the Vci pin. With this function, both the internal logic
units and LCD drivers can be controlled with a single power supply.
Oscillator
The HD66717 can provide R-C oscillation simply by adding an external oscillation resistor between the
OSC1 and OSC2 pins. The appropriate oscillation frequency for operating voltage, display size, and
frame frequency can be obtained by adjusting the external-resistor value. Clock pulses can also be
supplied externally. Since R-C oscillation is halted during standby mode, current consumption can be
reduced.
V-Pin Voltage-Followers
A voltage-follower for each voltage level (V1 to V5) reduces current consumption by the LCD drive
power supply circuit. No external resistors are required because of the internal bleeder-resistor, which
generates different levels of LCD drive voltage. The voltage-followers can be turned off while
multiplexing drive is not being used.
Contrast-Adjuster
The contrast-adjuster can adjust LCD contrast by varying LCD drive voltage by software. This function is
suitable for selecting appropriate brightness of the LCD or for temperature compensation.
Cursor position
Display position
DDRAM address
Note: The cursor/blink or white-black inversion control is
also active when the address counter indicates the
CGRAM or SEGRAM. However, it has no effect on the
display.
1
2
3
4
5
6
7
8
11
9
10
12
00
01
02
03
04
05
06
07
0A
08
09
0B
Figure 2 Cursor Position and DDRAM Address
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66724 | 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) |
| 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) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66720 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HD66720A01TF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66724 | 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 |
| HD66724/HD66725 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HD66724RA03TA0L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD CONTROLLER |
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