參數資料
型號: HD667A66R
廠商: Hitachi,Ltd.
英文描述: 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors
中文描述: 132 × 176點圖形LCD控制器/驅動器的65K色
文件頁數: 53/97頁
文件大小: 681K
代理商: HD667A66R
HD66766R Rev. 1.0-1 / September 2002
53
Graphics Operation Processing
1.
Write mode 1: AM = 0, LG2-0 = “000”
This mode is used when the data is horizontally written at high speed. It can also be used to initialize
the graphics RAM ( GRAM ) or to draw borders. The write-data mask function ( WM15-0 ) are also
enabled in these operations. After writing, the address counter ( AC ) automatically increments by 1
( I/D = 1 ) or decrements by 1 ( I/D = 0 ) , and automatically jumps to the counter edge one-raster
below after it has reached the left or right edge of the GRAM.
Figure 39Writing Operation of Write Mode 1
Write data mask:
WM15
WM0
"Write mask for plane G and B.
Write data (1) :
DB15
DB0
Write data (2) :
"0000"H
"0001"H
Write data (1)
Write data (2)
GRAM
"0002"H
Note: The bits in the GRAM
indicated by (*) are not changed.
Operation Examples:
1) I/D = "1", AM = "0", LG2-0 = "000"
2) WM15-0 = "07FF"H
3) AC = "0000"H
0
0 0
0 0
1 1
1
1
1 1
1 1
1
1
1
1 1
0
0
0 0 0 0
0 0
1
1
0 0
0 0
1
0 0
1 1
1 1
1
1 0
0 1
0 1 0
0
1
0
0
1 1
* * * *
*
* *
*
* *
*
1 1
0 0
0 *
*
* *
* * *
* * *
*
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相關代理商/技術參數
參數描述
HD667B66R 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:132 x 176-dot Graphics LCD Controller/Driver for 65K Colors
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