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參數(shù)資料
| 型號： | HCD66751BP |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions |
| 中文描述： | 128 × 128點圖形LCD控制器/驅(qū)動器，四灰度函數(shù) |
| 文件頁數(shù)： | 44/96頁 |
| 文件大小： | 2068K |
| 代理商： | HCD66751BP |
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HD66750/1
44
WM0
WM15
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DB0
DB15
1 0 0 1 1 0 0 1 0 1 0 0 0 0 1 1
1 1 0 0 0 0 1 1 0 0 0 0 1 1 0 0
0 1 1 1 0 1 0 0 0 0 0 1 1 1 1 1
1 0 0 1 1 0 0 1 0 1 0 0 0 0 1 1
1 1 0 0 0 0 1 1 0 0 0 0 1 1 0 0
0 1 1 1 0 1 0 0 0 0 0 1 1 1 1 1
000H
001H
002H
CGRAM
1) I/D = 1, AM1D0 = 00, LG1D0 = 00, RT2D0 = 000
2) WM15D0 = 0000H
3) AC = 000H
Operation Examples:
Write data mask:
Write data (1) :
Write data (2) :
Write data (3) :
Write data (1)
Write data (2)
Write data (3)
Figure 26 Writing Operation of Write Mode 1
2. Write mode 2: AM1D0 = 01, LG1D0 = 00
Thi s m ode i s us ed whe n t he dat a i s ver t c al y wr it en at hi gh s pee d. It ca n al s o be us ed t o i ni i a li z e t he
gra phi cs R AM (C GR AM , deve l op t he font pat er n i n t he ver t c al di re ct on, or dra w borde rs The
rotation function (RT2D0) or write-data mask function (WM15D0) are also enabled in these operations.
After writing, the address counter (AC) automatically increments by 16, and automatically jumps to the
upper-right edge (I/D = 1) or upper-left edge (I/D = 0) following the I/D bit after it has reached the lower
edge of the graphics RAM.
WM0
WM15
1) I/D = 1, AM1D0 = 01, LG1D0 = 00, RT2D0 = 010
2) WM15D0 = F007H
3) AC = 000H
Write data mask:
1 1 1 0 0 0 0 0 0 0 0 0 1 1 1 1
DB0
DB15
Write data (1) :
1 0 0 1 1 0 0 1 0 1 0 0 0 0 1 1
Write data (2) :
1 1 0 0 0 0 1 1 0 0 0 0 1 1 0 0
Write data (3) :
0 1 1 1 0 1 0 0 0 0 0 1 1 1 1 1
000H
CGRAM
0 1 0 0
0 0 1
0 0 0 0
1 1 0
0 0 0 1
1 1 1
1 0 0 1 1 0 0 1
1
1 1 0 0 0 0 1 1
0
0 1 1 1 0 1 0 0
1
4-bit rotation
010H
020H
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
1 0 0 1 1 0 0 1
1
1 1 0 0 0 0 1 1
0
0 1 1 1 0 1 0 0
1
4-bit rotation
4-bit rotation
Operation Examples:
Write data (1)
Write data (2)
Write data (3)
Notes: 1. The bit area data in the RAM indicated by '*' is not changed.
2. After writing to address 7F0H, the AC jumps to 001H.
Figure 27 Writing Operation of Write Mode 2
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