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參數(shù)資料
| 型號： | FS451 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | i-Net TV Interface Video Processor |
| 中文描述： | 一至網(wǎng)絡(luò)電視接口視頻處理器 |
| 文件頁數(shù)： | 14/60頁 |
| 文件大小： | 266K |
| 代理商： | FS451 |
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FS450, FS451
PRELIMINARY PRODUCT DESCRIPTION
JUNE, 2000, VERSION 1.2
14
COPYRIGHT
ó
1999, 2000 FOCUS ENHANCEMENTS, INC.
PRELIMINARY INFORMATION
Pin
Name
Pin
Number
Type/Value
Pin Function Description
Video Outputs
Y/Red
12
analog video
Video output.
As programmed by Command Register
OFMT bit:
0 Luminance component Y of S-video.
1 Red component of RGB.
Video output.
As programmed by Command Register OFMT
bit:
0 Composite video.
1 Green component of RGB.
Video output.
As programmed by Command Register OFMT
bit:
0 Chrominance component of S-video.
1 Blue component of RGB.
Composite sync output.
Active high digital composite sync
for SCART video outputs.
CVBS/Green
15
analog video
C/Blue
17
analog video
CSYNC
19
LVTTL output
Voltage Reference
VREF
8
+1.276 V
Voltage reference input/output.
If unconnected, except for
a 0.1μF capacitor to ground for noise decoupling, the internal
1.276 Volt band-gap reference will be supplied to the three
D/A Converters. An external 1.276 Volt reference connected
to the VREF pin, will override the internal voltage reference.
Reference resistor.
Connected between RREF and ground,
this resistor sets the current range of the D/A converters.
Use 390
for a 37.5
load and 780
for a 75
load.
Bypass Capacitor.
A 0.1μF capacitor must be connected
between CBYPR and VDDDA to reduce noise at the D/A
outputs.
RREF
9
390/780
CBYPASS
11
0.1
μ
F
CCIR 656 Input Port
V656_IN
7-0
99,98,97,9
6,94,93,92
,91
89
TTL input
(pull down)
Digital CCIR 656 port input.
8 bits wide. Y, Cr, Cb
multiplexed digital input port
HBNK_IN
TTL input
(pull down)
TTL input
(pull down)
TTL input
(pull down)
Digital TV Horizontal Blank input.
Horizontal Blank for use
with the V656_IN ports.
Digital TV Vertical Blank input.
Vertical Blank for use with
the V656_IN ports.
Digital TV Field input.
Field bit for use with the V656_IN
ports.
VBNK_IN
88
FIELD_IN
87
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