參數(shù)資料
型號(hào)： MC141585
廠商： MOTOROLA INC
元件分類： 畫面疊加
英文描述： Rad-Tolerant Class V, Floating Point Digital Signal Processor 429-CFCBGA -55 to 115
中文描述： ON-SCREEN DISPLAY IC, PDSO16
封裝： SOIC-16
文件頁數(shù)： 12/27頁
文件大?。?/td> 678K
代理商： MC141585
MC141585
12
MOTOROLA
is larger or equal to 32 and less than 48. Two extra duplicated
lines will be inserted for top and bottom if CH is larger or equal
to 48. Setting a value below 16 will not have a predictable result.
Formula of character height is:
H = N x 18 + (CH3 : CH0)
N = 1 if CH5:CH4=0,0 or 0,1
N = 2 if CH5:CH4=1,0
N = 3 if CH5:CH4=1,1
Figure 11. Variable Character Height
Figure 9 illustrates the enlargement algorithm for top and bot-
tom lines and how this chip expand the built-in character font to
the desired height.
In this approach, the actual character height in unit of the
scan line can be calculated from the following simple equation:
H = CH + N
Where H is the expanded character height in unit of lines
CH is the number defined by CH5 ~ CH0
0
1
15
16
17
14
12
10
9
8
7
6
5
4
3
2
18 lines
(1+16+1)
24 lines
(1+22+1)
38 lines
(2+34+2)
27 lines
(1+25+1)
Built-in font
(12x18 matrix)
when CH=16
Display character
when CH=22
Display character
when CH=34
when CH=25
Display character
CH lines
(32~47)
3 lines
CH lines
(48~63)
2 lines
3 lines
1 line
CH lines
(16~31)
1 line
2 lines
16<CH<32
32<CH<48
48<CH<64
CHARACTER ENLARGEMENT
N is a variable dependent on the value of CH
N = 2 when 16<CH<32
N = 4 when 32<CH<48
N = 6 when 48<CH<64
Frame Control Register Row 15 Coln 15
Bit 7
OSD_EN - OSD circuit is activated when this bit is
set.
Bit 6
BSEN - It enables the character bordering or shad-
owing function when this bit is set.
Bit 5
SHADOW - Character with black-edge shadowing is
selected if this bit is set, otherwise bordering prevails.
Note: Both bordering and character shadowing functions are not
supported when displaying multi-color characters($00-$10).
BSEN & SHADOW bits should be kept "0" while there are multi-
color characters displayed in the OSD menu.
Bit 4-2
Don’t care.
Bit 1
FAD - It enables the fade-in/fade-out functions when
OSD is turned on from off state or vice versa. If this bit is set, it
roughly takes about one second to fully display the whole menu.
It also takes 1 second to disappear completely.
Bit 0
Reserved - Set to "0" for normal operation.
Figure 12. Character Bordering and Shadowing
7
OSD_EN
ROW 15
COLN 15
6
5
4
3
2
1
0
BSEN SHADOW
0
FAD
X
X
X
0
2
15
14
12
10
9
8
7
6
5
4
3
1
Bordering
0
2
15
14
12
10
9
8
7
6
5
4
3
1
Shadowing
相關(guān)PDF資料
PDF描述
MC14161B SYNCHRONUS PRESETTABLE 4-BIT COUNTERS
MC14160BD SYNCHRONUS PRESETTABLE 4-BIT COUNTERS
MC14160BL SYNCHRONUS PRESETTABLE 4-BIT COUNTERS
MC14160B Rad-Tolerant Class V, Floating Point Digital Signal Processor 429-CFCBGA -55 to 125
MC14160BP SYNCHRONUS PRESETTABLE 4-BIT COUNTERS
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