cxp85452 Sony Electronics, cxp85452 Datasheet - Page 18

• Manufacturer Part Number: cxp85452
• Description: Cmos 8-bit Single Chip Microcomputer
• Manufacturer: Sony Electronics

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Fig. 11. OSD timing
Fig. 12. LC oscillation circuit connection
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(7) OSD timing
1
2
3
1
OSD clock frequency
HSYNC pulse width
VSYNC pulse width
HSYNC afterwrite
rise and fall times
VSYNC beforewrite
rise and fall times
The series resistor for XLC is used to reduce the frequency of occurrence of the undesired radiation.
Oscillation clock at 4MHz operation
Oscillation clock at 8MHz operation
H indicates 1HSYNC period.
Item
For OSD I/O polarity register
For OSD I/O polarity register
(OPOL: 01FA
(OPOL: 01FA
bit 7 at “0”
bit 6 at “0”
HSYNC
VSYNC
H
H
)
)
Symbol
f
t
t
t
t
OSC
(Ta = –20 to +75°C, V
HWD
VWD
HCG
VCG
C
EXLC
XLC
HSYNC
HSYNC
HSYNC
VSYNC
1
EXLC
Pin
t
VCG
0.2V
0.8V
– 18 –
Condiiton
L
Fig. 12
Fig. 11
Fig. 11
Fig. 11
Fig. 11
DD
DD
t
t
DD
HWD
VWD
= 4.5 to 5.5V, Vss = 0V reference)
XLC
R ∗
C
1
2
t
Min.
HCG
1.2
4
1
0.8V
0.2V
DD
DD
Max.
14 ∗
200
7 ∗
1.0
1
2
MHz
Unit
H ∗
µs
ns
µs
3
CXP85452/85460