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參數(shù)資料
| 型號： | ST6397 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 8-BIT HCMOS MCUs FOR TV FREQUENCY SYNTHESIS WITH OSD |
| 中文描述： | 8位微控制器HCMOS電視頻率合成帶OSD |
| 文件頁數(shù)： | 53/68頁 |
| 文件大?。?/td> | 560K |
| 代理商： | ST6397 |
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Background Control Register
This register sets up two possible backgrounds.
The background select bit (BGS) in the format or
space character will determine which background
is selectedfor the current word.
R1,R0,G1,G0,B1,B0. BackgroundColour
.
These bitsdefine the colour of the specified back-
ground, either background 1 or background 0 as
defined in Table below.
Table 14. BackgroundRegister Colour
Setting.
RX
GX
BX
Colour
0
0
0
Black
0
0
1
Blue
0
1
0
Green
0
1
1
Cyan
1
0
0
Red
1
0
1
Magenta
1
1
0
Yellow
1
1
1
White
BK1,BK0.
Background Enable.These bits deter-
mine if the specified background isenabledor not.
“0” -Thefollowingworddoesnothaveabackground.
“1” -There is a background around the following
word.
D7-D1.
These bits are not used
BS.
BankSelect.This bitselect thecharacterbank
to be used.The lower bank is selected with0. The
value can be modifiedonly when the OSD is OFF
(GE=0). No reset value.
OSDData RAM
The contentsof the dataRAM canbe accessedby
the ST639x MCUs only when the global enable bit
(GE) in the Global Enable register is a zero.
The first characterin every line is the format char-
acter.Thischaracteris notdisplayed.Itdefinesthe
size of the characters in the line and contains the
vertical space enable bit. This character also de-
fines thecolour,background anddisplay enablefor
the first word in the line. Subsequent characters
are eitherspacesoroneofthe64availablecharac-
ter types.
The space character defines the colour, back-
ground, display enable and horizontal space en-
able for the following word. Since there are 5
display lines of 15 characters each, the display
RAM mustcontain 5 lines x (15 characters+ 1 for-
mat character)or80 locations.The RAM size is 80
locations x 7 bits.The data RAM map is shown in
Table 15.
ON-SCREEN DISPLAY
(Continued)
BCR
Backround Control Register
(14h -Page 6, Write Only)
D7 D6 D5 D4 D3 D2 D1 D0
BK0 =Backround Enable Bit 0
BK1 =Backround Enable Bit 1
B0 =B Colour Backround Bit 0
B1 =B Colour Backround Bit 1
G0 =G Colour Backround Bit0
G1 =G Colour Backround Bit1
R0 = R ColourBackround Bit 0
R1 = R ColourBackround Bit 1
Figure64. Backround Control Register
CBSR
Character Bank Select Register
(EDh - No Page , Write Only)
D7 D6 D5 D4 D3 D2 D1 D0
BS = BankSelectBit
Unused
Figure 65. Character Bank Select Register
ST6391,92,93,95,97,99
49/64
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| ST6397B1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT HCMOS MCUs FOR TV FREQUENCY SYNTHESIS WITH OSD |
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| ST63E126D1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT HCMOS MCUs FOR TV FREQUENCY & VOLTAGE SYNTHESIS WITH OSD |
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