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參數(shù)資料
| 型號： | NT7502 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 65 X 132 RAM-Map LCD Controller / Driver |
| 中文描述： | 65 × 132 RAM的地圖LCD控制器/驅(qū)動器 |
| 文件頁數(shù)： | 12/54頁 |
| 文件大小： | 687K |
| 代理商： | NT7502 |
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NT7502
The Page Address Circuit
As shown in Figure 4, page address of the display data RAM is specified through the Page Address Set Command. The page
address must be specified again when changing pages to perform access.
Page address8 (D3, D2, D1, D0 = 1, 0, 0, 0,) is the page for the RAM region used; only display data D0 is used.
The Column Address
As shown in Figure 4, the display data RAM column address is specified by the Column Address Set command. The specified
column address is incremented (+1) with each display data read / write command. This allows the MPU display data to be
accessed continuously. Moreover, the incrimination of column addresses stops with 83H, because the column address is
independent of the page address. Thus, when moving, for example, from page0 column 83H to page 1 column 00H, it is
necessary to respecify both the page address and the column address.
Furthermore, as is shown in Table 4, the ADC command (segment driver direction select command) can be used to reverse the
relationship between the display data RAM column address and the segment output. Because of this, the constraints on the IC
layout can be minimized when the LCD module is assembled.
Table. 4
SEG Output
SEG0
SEG131
ADC “0”
0 (H)
$
Column Address
$
83 (H)
(ADC) “1”
83 (H)
%
Column Address
%
0 (H)
The Line Address Circuit
The line address circuit, as shown in Table 4, specifies the line address relating to the COM output when the contents of the
display data RAM are displayed. Using the display start line address set command, what is normally the top line of the display
can be specified. This is the COM0 output when the common output mode is normal, and the COM63 output for NT7502, when
the common output mode is reversed. The display area is a 65-line area for the NT7502 from the display start line address.
If the line addresses are changed dynamically using the display start line address set command, screen scrolling, page
swapping, etc. can be performed.
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| NT7502H-BDT | 65 X 132 RAM-Map LCD Controller / Driver |
| NT7502H-TABF1 | 65 X 132 RAM-Map LCD Controller / Driver |
| NT7603 | 2 x 110 W class-D power amplifer, SOT566-3 (HSOP24), Reel Pack, SMD, 13" |
| NT7603BDB-01 | Class D Audio Amplifier, SOT549-1 (HTSSOP32), Reel Dry Pack, SMD, 13" |
| NT7603BDT-01 | 2 x 150 W class-D power amplifier, SOT411-1 (DBS23P), Tube |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NT7502H-BDT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:65 X 132 RAM-Map LCD Controller / Driver |
| NT7502H-TABF1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:65 X 132 RAM-Map LCD Controller / Driver |
| NT75-1 | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:Low coil consumption. / Switching capacity up to 16A. |
| NT751AS12DC110V | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:Switching capacity up to 16A. |
| NT751AS12DC12V | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:Switching capacity up to 16A. |
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