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參數(shù)資料
| 型號： | HD66760 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 104 X 80-dot Graphics LCD Controller/Driver for 256 Colors |
| 中文描述： | 104 × 80點圖形LCD控制器/驅(qū)動器的256色 |
| 文件頁數(shù)： | 27/105頁 |
| 文件大小： | 653K |
| 代理商： | HD66760 |
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HD66760
27
0
0
0
1
1
DB7
DB0
DB6 DB5
DB4 DB3
DB2
DB1
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
1
0
0
Logical operation (read data and write data)
LG2-0 = "000": Replacement
LG2-0 = "001": OR
LG2-0 = "010": AND
LG2-0 = "011": EOR
Write data mask (WM15–0)
GRAM
Write data sent
from the
microcomputer
(DB15-0)
SWP = "1"
Swap of upper
and lower bytes
Logical/compare
operation
(LG2-0)
Write data mask
*
(WM15-0)
Compare operation (with compare register)
LG2-0 = "100": Replacement of matched read data
LG2-0 = "101": Replacement of unmatched read data
LG2-0 = "110": Replacement of matched write data
LG2-0 = "111": Replacement of unmatched write data
Notes:1.
2.
The write data mask (WM15-0) is set by the register in the RAM Write Data Mask section.
When SWP = 1, the upper and lower bytes in the write data mask are swapped to be executed with
the write data.
1
1
1
0
0
0
1
1
1
1
1
0
0
0
1
1
0
0
0
1
1
1
0
0
Figure 10 Logical/Compare Operation and Swapping for the GRAM
Display Control (R07h)
VLE2–1:
When VLE1 = 1, a vertical scroll is performed in the 1st screen. When VLE2 = 1, a vertical scroll
is performed in the 2nd screen. Vertical scrolling on the two screens can be independently controlled.
SPT:
When SPT = 1, the 2-division LCD drive is performed. For details, see the Screen-division Driving
Function section.
E:
When E = 1, "pixel on/off" mode is enabled. Displayed pixel can be "all on" or "all off" regardless GRAM
contents. The "all on" or "all off" can be seleced B/W bit setting. When the "pixel on/off" mode is enabled
(E=1), the D0 and D1 should be 1 and REV should be 0 (display on and no reverse mode).
B/W:
When E = 1 and B/W = 0, displayed pixel is "all off" regardless GRAM contents. When E = 1 and B/W
= 1, displayed pixel is "all on" regardless GRAM contents.
GS:
When GS = 0, the display is in eight grayscale mode and displays 256 colors by selecting eight
grayscales from 16 grayscale levels. When GS = 1, the display is in four grayscales and displays 256 colors
by selecting four grayscales from 16 grayscale levels. In four-grayscale mode, four colors can be displayed
with two bits per pixel (RGB). GRAM data must be rewritten when the GS bit is swapped.
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