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參數(shù)資料
| 型號(hào)： | CXP85460S |
| 廠商： | Sony Corporation |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 18/21頁 |
| 文件大?。?/td> | 256K |
| 代理商： | CXP85460S |
– 18 –
CXP85452/85460
(7) OSD timing
(Ta = –20 to +75°C, V
DD
= 4.5 to 5.5V, Vss = 0V reference)
Item
OSD clock frequency
HSYNC pulse width
VSYNC pulse width
HSYNC afterwrite
rise and fall times
VSYNC beforewrite
rise and fall times
f
OSC
t
HWD
t
VWD
t
HCG
t
VCG
EXLC
XLC
HSYNC
HSYNC
HSYNC
VSYNC
Fig. 12
Fig. 11
Fig. 11
Fig. 11
Fig. 11
4
1.2
1
7
1
14
2
200
1.0
MHz
μs
H
3
ns
μs
Symbol
Pin
Condiiton
Unit
Min.
Max.
1
Oscillation clock at 4MHz operation
2
Oscillation clock at 8MHz operation
3
H indicates 1HSYNC period.
Fig. 11. OSD timing
0.8V
DD
0.2V
DD
t
HCG
t
HWD
HSYNC
For OSD I/O polarity register
(OPOL: 01FA
H
)
bit 7 at “0”
0.8V
DD
0.2V
DD
t
VCG
VSYNC
For OSD I/O polarity register
(OPOL: 01FA
H
)
bit 6 at “0”
t
VWD
Fig. 12. LC oscillation circuit connection
L
C
2
C
1
EXLC
XLC
R
1
1
The series resistor for XLC is used to reduce the frequency of occurrence of the undesired radiation.
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