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參數(shù)資料
| 型號： | M66271FP |
| 元件分類： | 顯示控制器 |
| 英文描述： | 320 X 240 DOTS DOT MAT LCD DSPL CTLR, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數(shù)： | 11/30頁 |
| 文件大?。?/td> | 309K |
| 代理商： | M66271FP |
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M66271FP
REJ03F0267-0200 Rev.2.00 Mar 18, 2008
Page 17 of 27
(2-2) Horizontal display characters number register [R2]
Address
R/W
Function
Reset
CR
D7
D6
D5
D4
D3
D2
D1
D0
Character Number
Display Dot Number
0
—
0
1
8
0
1
0
2
16
↓
1
63
504
00010
W
The number of horizontal display characters per line can set to the extent of Max = 504 dots (= 63
characters)
When reset, CR = "28
H" (= 40 characters = 320 dots)
28H
Note:
Definition of the number of display characters.
The number of display characters means data which is corresponding with 1 byte of VRAM.
In case of binary, 1 bit of VRAM corresponds to 1 dot of display, then 1 character means 8 dots of display.
(2-3) Horizontal synchronous pulse width register [R3]
Address
R/W
Function
Reset
00100
W
LPW
D7
D6
D5
D4
D3
D2
D1
D0
Character Number
0
—
0
1
0
1
0
2
↓
1
255
Set the length of horizontal synchronous pulse width which appeared per line in character unit.
Horizontal synchronous pulse output from LP output pin, and use for changing serial/parallel of
displaying data.
Adjusting this pulse width is possible to set frame frequency the fittest value.
And the actual LP output pulse is (LPW setting value – 1CP) in consideration of timing with CP output.
When reset, LPW = "01
H" (= 1 character)
01H
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