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參數(shù)資料
| 型號(hào)： | STV9426 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
| 中文描述： | 多頻屏幕的監(jiān)視器顯示 |
| 文件頁數(shù)： | 10/15頁 |
| 文件大?。?/td> | 184K |
| 代理商： | STV9426 |
FUNCTIONAL DESCRIPTION
(continued)
After the falling edge on V-SYNC, the first strip
descriptoris read at the top of the current tableof
descriptors at the address given by P[9:0] (see
DISPLAYCONTROL register).I
f it is a spacing strip, SL[7:0] black or transparent
scanlines are displayed.
If it is a character strip, during CH[5:0] x (I + ZY)
Figure 7 :
Relation betweenScreen/AddressPage/CharacterCode in RAM
scan lines (CH[5:0] given by the CHARACTER
HEIGHTregister), thecharacter codes are readat
theaddressesstartingfromthe1
st
onegivenbythe
descriptoruntila endofline characteror theendof
the scan line.
The next descriptor is then read and the same
process is repeated until the next falling edge on
V-SYNC.
CSD FBKFL[1:0]
P8
P7
P8
DISPLAYCONTROLRegister
TABLE OF THE
DESCRIPTORS
2nd CHARACTER
STRIP CODES
OTHER
TABLE OF
DESCRIPTORS
OTHER
(UDC forexample)
1st CHARACTER
STRIP CODES
3rd CHARACTER
SRTIP CODES
OTHER
(CODES OR
DESCRIPTORS)
SPACING
ROW1
ROW2
SPACING
ROW3
SPACING
RAMCODE
AND DESCRIPTORS
V-SYNC
TOP SPACING STRIP
1s t CHARACTER STRIP
2nd CHARACTER STRIP
3rd CHARACTER STRIP
SPACING STRIP
|
BOTTOMSPACING STRIP
SCREEN
9
Slice 18 of the character n
°
2
only for vertical shadowing
(not displayed).
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
36 Pixels (= 3 Characters)
3
Character Number
Character Number
ON THE SCREEN
(example for Character n
°
5)
IN THE RAM
Slice 0
Slice 1
Slice 2
Slice 3
Slice 4
Slice 5
Slice 6
Slice 7
Slice 8
Slice 9
Slice 10
Slice 11
Slice 12
Slice 13
Slice 14
Slice 15
Slice 16
Slice 17
Slice 18
: 0x01
: 0x00
: 0x08
: 0x0c
: 0x0e
: 0x0f
: 0x0f
: 0x0f
: 0x0f
: 0x0e
: 0x0c
: 0x00
: 0x00
: 0x00
: 0x00
: 0x00
: 0x00
: 0x00
: 0x00
Odd
Address
0xff =
0xff
0x7f
0x3f
0x1f
0x1f
0x1f
0x1e
0x1e
0x3c
0x3c
0x78
0x78
0xf1
0x00
0x00
0x00
0x00
0x00
Even
Address
9
Figure 8 :
User Definable Character
STV9425 - STV9425B - STV9426
10/15
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