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參數(shù)資料
| 型號： | HD66522 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 160-Channel Column Driver with Internal Bit-Map RAM for Reflective Color Display and Grayscale Display(點(diǎn)陣圖形LCD160通道驅(qū)動器) |
| 中文描述： | 160通道，內(nèi)置欄位為反射式彩色顯示和灰度顯示屏（點(diǎn)陣圖形LCD160通道驅(qū)動器地圖RAM驅(qū)動器） |
| 文件頁數(shù)： | 1/47頁 |
| 文件大小： | 276K |
| 代理商： | HD66522 |
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HD66522
(160-Channel Column Driver with Internal Bit-Map RAM for
Reflective Color Display and Grayscale Display)
ADE-207-302(Z)
'99.9
Rev. 0.0
Description
The HD66522 is a column driver for liquid crystal dot-matrix graphic display system. This LSI
incorporates 160 liquid crystal drive circuit and a 160 * 240 * 2-bit bit-mapped RAM, which is suitable for
LCDs in portable information devices. It also includes a general-purpose SRAM interface so that draw
access can be easily implemented from a general-purpose MPU. The HD66522 also has a new arbitration
method which prevents flicker when the MPU performs draw access asynchronously. The on-chip display
RAM greatly decreases power consumption compared to previous liquid crystal display system because
there is no need for high speed data transfer. The chip also incorporates a four-level grayscale out of 32-
level grayscale palette controller for enhanced graphics capabilities and reflective color.
Features
Duty cycle: 1/64 to 1/240
Liquid crystal drive circuits: 160
Logic circuit: 2.4 to 3.6V
Liquid crystal drive circuit: 4 to 6V
LCD driving technique: Multi-line addressing
Grayscale display: FRC four-level grayscale out of 32 levels grayscale palette
Grayscale memory management: Packed pixel
Internal bit-map display memory: 76800 bits (160 * 240 lines * two planes)
MPU interface
SRAM interface
Address bus: 16 bits
Data bus: 8 bits
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66523R | 240-Channel Common Driver with Internal LCD Timing Circuit(帶內(nèi)部LCD定時電路的240通道驅(qū)動器) |
| HD66701 | Dot Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動器) |
| HD66702 | Dot Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動器) |
| HD66702R | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HD66727A04TA0L | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66523 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66523R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66702 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66702R | 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 |
| HD66702RA00F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
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