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| 型号： | ST6397 |
| 厂商： | 意法半导体 |
| 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电视频率合成带OSD |
| 文件页数： | 52/68页 |
| 文件大小： | 560K |
| 代理商： | ST6397 |
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D7.
Thisbit is not used
SCB.
Screen Blanking. This bit allows the entire
screen to be blanked.
“0” -The blanking output signal (VBLK) is active
only when displayingcharacters.
“1” -The blanking output signal (VBLK) is always
active. Characters in the displayRAM are still
displayed.
When this bit is set to one, the screen is blanked
also without setting the Global Enable bit to one
(OSD disabled).
VS5 , VS0.
Vertical Space. These bits determine
the spacingbetween lines iftheVertical Space En-
able bit(VSE) inthe formatcharacteris one.IfVSE
is zerothere will be no spaces between lines.The
Vertical Space bits can specify one of 63 spacing
values from 4H to252H. The space between lines
is definedby the following formula.
Space between lines = 4H(2
5
(VS5) + 2
4
(VS4) +
2
3
(VS3) + 2
2
(VS2) + 2
1
(VS1) + 2
0
(VS0))
The case of all Vertical Start Address bits being
zero is illegal.
GS2,GS1.
Global Size. These bits along with the
size bit (S) located in the Character format word
specify the character size for eachline as defined
in Table 13.
Table13. Horizontal Space RegisterSize
Setting.
GS2 GS1
S
Vertical Height
Horizontal
Length
0
0
0
18H
6 TDOT
0
0
1
36H
12 TDOT
0
1
0
18H
6 TDOT
0
1
1
54H
18 TDOT
1
0
0
36H
12 TDOT
1
0
1
54H
18 TDOT
1
1
0
36H
12 TDOT
1
1
1
72H
24 TDOT
Note:
TDOT= 2/fOSC
HS5, HS0
. Horizontal Space . These bits deter-
mine the spacing between words if the Horizontal
Space Enable bit (HSE) locatedin the space char-
acter is a one. The space between words is then
equal to the width of the spacecharacter plus the
number of tdots specified by the Horizontal Space
bits. The 6 bits can specify one of 64 spacing val-
ues ranging from 2/f
osc
to 128/f
osc
. The formula is
shown below forthe smallestsize character(18H).
If larger size characters are being displayed the
spacing between words will increase proportion-
ately.Multiply the value below by2, 3 or4 forchar-
acter sizes of 36H, 54H and 72H respectively.
Space between words (not including the space
character)=2/fosc(1+2
5
(HS5)+2
4
(HS4)+2
3
(HS3)
+2
2
(HS2)+ 2
1
(HS1)+2
0
(HS0))
ON-SCREEN DISPLAY
(Continued)
Figure62. Vertical Space Register
VSR
Vertical Space Register
(12h -Page 6, Write Only)
D7 D6 D5 D4 D3 D2 D1 D0
VS5-VS0 =VerticalSpace
SCB = Screen Blanking bit
Unused
HSR
Horizontal Space Register
(13h - Page 6, Write Only)
D7 D6 D5 D4 D3 D2 D1 D0
HS5-HS0 = Horizontal Space
GS1 =Global Size Bit1
GS2 =Global Size Bit2
Figure 63. HorizontalSpace Register
ST6391,92,93,95,97,99
48/64
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST6397B1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT HCMOS MCUs FOR TV FREQUENCY SYNTHESIS WITH OSD |
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| ST63E126D1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT HCMOS MCUs FOR TV FREQUENCY & VOLTAGE SYNTHESIS WITH OSD |
| ST63E140D1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT HCMOS MCUs FOR TV FREQUENCY & VOLTAGE SYNTHESIS WITH OSD |
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