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參數(shù)資料
| 型號： | HD66760 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 104 X 80-dot Graphics LCD Controller/Driver for 256 Colors |
| 中文描述： | 104 × 80點圖形LCD控制器/驅動器的256色 |
| 文件頁數(shù)： | 74/105頁 |
| 文件大?。?/td> | 653K |
| 代理商： | HD66760 |
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HD66760
74
When an Internal Booster and Internal Operational Amplifiers are Used
To supply LCD drive voltage using the internal VLCD regulator and step-up circuit, an internal booster and
internal operational amplifiers should be connected as shown in figure 50. Keep the power-supply voltage
(VLPS) of the operational amplifier higher than the output voltage (V1REF) of the VLCD regulator. Contrast
can be adjusted through the CT bits of the contrast control instruction.
The HD66760 incorporates a voltage-follower operational amplifier for each of V1 to V5 to reduce current
flowing through the internal bleeder-resistors, which generate different liquid-crystal drive voltages. Thus,
potential difference between V
LPS
and V1 must be 0.1 V or higher, and that between V4 and GND must be 1.4
V or higher. Note that the OPOFF pin must be grounded when using the operational amplifiers. Place a
capacitor of about 1 μF (B characteristics) between each internal operational amplifier (V1OUT to V5OUT
outputs) and GND and stabilize the output level of the operational amplifier. Adjust the capacitance value of
the stabilized capacitor after the LCD panel has been mounted and the screen quality has been confirmed.
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| HD66766R | 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| HD667A66R | 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| HD667B66R | 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| HD66780FH | LAMPS, STACKABLE INDICATOR |
| HD66780FS | Dot Matrix Liquid Crystal Display Controller and Driver |
相關代理商/技術參數(shù) |
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|---|---|
| HD66765 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:396-channel Segment Driver with Internal RAM for 4096-color Displays |
| HD66765TB0 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:396-channel Segment Driver with Internal RAM for 4096-color Displays |
| HD66766 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current cosumption is increased for stabilizing internal amplifier. Technical Update/Device |
| HD66766R | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| HD66773R | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels |
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