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參數(shù)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(qū)動器) |
| 中文描述： | 160通道4級灰度顯示列的內(nèi)部位圖的RAM（點陣圖形LCD160通道驅(qū)動器驅(qū)動程序） |
| 文件頁數(shù)： | 10/45頁 |
| 文件大小： | 336K |
| 代理商： | HD66520T |
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HD66520T
1023
Configuration of Display Data Bit
Packed Pixel Method
For grayscale display, multiple bits are needed for one pixel. In the HD66520, two bits are assigned to
one pixel, enabling a four-level grayscale display.
One address (eight bits) specifies four pixels, and pixel bits 0 and 1 are managed as consecutive bits.
When grayscale display data is manipulated in bit units, one memory access is sufficient, which enables
smooth high-speed data rewriting.
The bit data to input to pin DB7, DB5, DB3, and DB1 becomes MSB and the bit data to input via pin
DB6, DB4, DB2, and DB0 is LSB.
0
0
1
0
2
1
3
0
4
0
5
1
6
1
7
1
Bit
Physical memory
0
1
2
3
0
0
1
0
2
0
3
0
4
0
5
1
6
0
7
1
0
0
2
2
0
1
1
0
2
1
3
0
4
1
5
1
6
1
7
1
1
1
3
3
FRC control circuit
Grayscale level
LCD display state
4 pixels/address
Address: n
Address: n + 1
Address: n + 2
Note: Black is shown when the LCD select high-level power supply V1 (M = 1) and LCD select
low-level power V2 (M = 0) are selected. White is shown when the LCD non-select
high-level power supply V3 (M = 1) and LCD non-select low-level power supply V4 (M = 0)
are selected.
Figure 5 Packed Pixel System
相關(guān)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(qū)動器) |
| 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(點陣液晶顯示控制器/驅(qū)動器) |
| HD66702 | Dot Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅(qū)動器) |
| HD66702R | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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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