CXA1870 查看數據表（PDF） - Sony Semiconductor
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CXA1870 Datasheet PDF : 40 Pages
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CXA1870S
Pin
Pin
Symbol
No.
voltage
Equivalent circuit
VCC
VCC
Description
11 OSD BLK
40k
15k
Blanking signal input pin for OSD
11
60k
30k
RGB input.
2k
0 to 1 V: Blanking not performed.
60k
2k
2 to 3 V: Signal from Y IN/C IN
—
30k
VCC
lowered by –6 dB.
60k
30k
2k
4 to 6 V: R, G and B outputs
become lower than
2k
black level.
12 OSD R
13 OSD G
14 OSD B
VCC
12
13
—
14
VCC
15
15
R S/H
17
17
G S/H
—
1.2k
19
19
B S/H
Digital R, G and B signal input
pins for on screen display.
0 to 1 V: No OSD display.
2 to 3 V: OSD level = 46 IRE
(33 IRE)
4 to 6 V: OSD level = 92 IRE
(65 IRE)
Figures in parentheses are for
when the I2C OSD register is set
to 0.
Sample-and-hold pins for R, G
and B AKB (Auto Kinetic Bias).
Connect to GND via capacitors.
16 R OUT
18 G OUT
—
20 B OUT
VCC VCC
VCC
150
16
5k
18
20
R, G and B output pins.
—6—
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