參數(shù)資料
型號(hào)： ML87V3104TB
廠商： OKI ELECTRIC INDUSTRY CO LTD
元件分類： 顯示控制器
英文描述： 640 X 240 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP100
封裝： 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-100
文件頁(yè)數(shù)： 67/69頁(yè)
文件大?。?/td> 444K
代理商： ML87V3104TB
FEDL87V3104-03
OKI Semiconductor
ML87V3104
7/69
2. Display Control
2.1
Display section
The display section of the ML87V3104 is composed of the display memory, the cursor and cursor color registers,
the color palette, the FRC table, and output format conversion section. (Fig. F2.1)
The color display in the case of 4 bits/pixel and 8 bits/pixel can be made using, respectively, 16 and 256 colors out
of 4096 colors. (Pseudo-color mode)
Further, in the STN mode, the output is made after conversion into the gradation expression data in the FRC
method.
In the case of 16 bits/pixel, the output is made directly without passing through the color palette. (Direct color
mode)
In the STN mode, out of the total 16 bits, only 4 bits each of RGB (12 bits in all) will be valid and display 4096
colors can be made.
In the TFT mode, the 16 bits are divided into 5 bits of R, 6 bits of G, and 5 bits of B, making it possible to display
65536 colors.
Even the direct mode can also be used in the case of 8 bits/pixel.
SEL
Output
format
conversion
SEL
8/16
4
DDA3-0
DDB3-0
DDC3-0
DDD3-0
SEL
4
SEL
4
FRC
Table
16
× 16b
1
Color
palette
256
× 12b
4
8
Color
register
3
× 8b
8
8/16
Cursor
pattern
register
16
× 16 × 2b
2
Cursor
display
control
Display memory
512
× 8b
Fig. 2.1 The display section
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