參數(shù)資料
型號(hào): HD66324T
廠商: Hitachi,Ltd.
英文描述: 64-level Grayscale Driver for the High-Quality TFT Liquid Crystal Display for XGA/SXGA Systems(高品質(zhì)TFT LCD的64級(jí)灰度驅(qū)動(dòng)器)
中文描述: 64級(jí)灰度驅(qū)動(dòng)的高品質(zhì)TFT液晶顯示技術(shù)的XGA / SXGA系統(tǒng)(高品質(zhì)TFT液晶顯示器的64級(jí)灰度驅(qū)動(dòng)器)
文件頁數(shù): 3/19頁
文件大小: 336K
代理商: HD66324T
HD66324
3
Internal Block Diagram
CL2
EIO1
EIO2
POL2
CL1
SHL
M
D55 to D50, D45 to D40,
D35 to D30, D25 to D20,
D15 to D10, D05 to D00
V
LCD
V
CC
GND
V0, V1, V2,
V3, V4
V5, V6, V7,
V8, V9
Clock control
64 negative-polarity
grayscales
Latch address selector
384 latch circuits (1)
384 latch circuits (2)
384 decoders
384 output amplifier circuits
Y1Y2Y3Y4
Y384
6 planes
6 planes
G
g
64 positive-polarity
grayscales
Data
inversion
circuit
Figure 2 Block Diagram
1. Clock control unit
Generates the chip-enable signals (EIO2, EIO1) and controls internal timing signals.
2. Data inversion circuit
Uses the POL2 signal to perform polarity inversion (POL2 = 1) or non-inversion (POL2 = 0) processing
on input display data.
3. Latch address selector
Generates latch signals for sequentially latching the input display data.
4. Latch circuits (1)
384
×
6-bit latch circuits that sequentially latch 6-output
×
6-bit input display data.
5. Latch circuits (2)
Perform latching, in synchronization with CL1, of the 384
×
6-bit data latched by latch circuits (1).
6. Decoders
Decode the 6-bit data and select the liquid-crystal application voltages.
7. Grayscale voltage generation unit
Performs resistance-division of the external input voltage, and generates 64 positive-polarity grayscales
and 64 negative-polarity grayscales.
8. Output amplifier circuits
相關(guān)PDF資料
PDF描述
HD66325A 64-level Grayscale Driver for the TFT Liquid Crystal Display for XGA Systems(高品質(zhì)TFT LCD的64級(jí)灰度驅(qū)動(dòng)器)
HD66326T Multiscan XGA/SXGA High-Quality 64-Gradation TFT Liquid Crystal Driver(TFT LCD驅(qū)動(dòng)器)
HD66330T 64-Level Gray Scale Driver for TFT Liquid Crystal Display(TFT LCD的64級(jí)灰度驅(qū)動(dòng)器)
HD66350T 256-level Grayscale TFT for XGA/SXGA/UXGA Systems(高品質(zhì)TFT LCD的256級(jí)灰度驅(qū)動(dòng)器)
HD66410 RAM-Provided 128-Channel Driver for Dot-Matrix Graphic LCD(點(diǎn)陣圖形LCD128通道驅(qū)動(dòng)器)
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