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參數資料
| 型號： | HD66520T |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 160-Channel 4-Level Grayscale Display Column Driver with Internal Bit-Map RAM(點陣圖形LCD160通道驅動器) |
| 中文描述： | 160通道4級灰度顯示列的內部位圖的RAM（點陣圖形LCD160通道驅動器驅動程序） |
| 文件頁數： | 1/45頁 |
| 文件大?。?/td> | 336K |
| 代理商： | HD66520T |
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1014
HD66520T
(160-Channel 4-Level Grayscale Display Column Driver with
Internal Bit-Map RAM)
Description
The HD66520 is a column driver for liquid crystal dot-matrix graphic display systems. This LSI
incorporates 160 liquid crystal drive circuits and a 160
×
240
×
2-bit bit-map 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 CPU. The HD66520 also has a new arbitration
method which prevents flicker when the CPU performs draw access asynchronously. The on-chip display
RAM greatly decreases power consumption compared to previous liquid crystal display systems because
there is no need for high-speed data transfer. The chip also incorporates a four-level grayscale controller
for enhanced graphics capabilities, such as icons on a screen.
Features
Duty cycle: 1/64 to 1/240
Liquid crystal drive circuits: 160
Low-voltage logic circuit: 3.0 to 5.5-V operation power supply voltage
High-voltage liquid crystal drive circuit: 8 to 28-V liquid crystal drive voltage
Grayscale display: FRC four-level grayscale display
Grayscale memory management: Packed pixel
Internal bit-map display RAM: 76800 bits (160
×
240 lines
×
two planes)
CPU interface
SRAM interface
Address bus: 16 bits, data bus: 8 bits
相關PDF資料 |
PDF描述 |
|---|---|
| HD66522 | 160-Channel Column Driver with Internal Bit-Map RAM for Reflective Color Display and Grayscale Display(點陣圖形LCD160通道驅動器) |
| HD66523R | 240-Channel Common Driver with Internal LCD Timing Circuit(帶內部LCD定時電路的240通道驅動器) |
| HD66701 | Dot Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅動器) |
| HD66702 | Dot Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅動器) |
| HD66702R | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HD66520TA0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66520TB0 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:160-Channel 4-Level Grayscale Display Column Driver with Internal Bit-Map RAM |
| HD66522 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| 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 |
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