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參數(shù)資料
| 型號： | AVPRO5002C-CGT |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Dual SCART A/V Switch |
| 中文描述： | 雙SCART A / V開關(guān) |
| 文件頁數(shù)： | 3/23頁 |
| 文件大小： | 106K |
| 代理商： | AVPRO5002C-CGT |
AVPro
5002C
Dual SCART A/V Switch
3
TV RGB OUTPUTS
The device accepts RGB video signals from two
sources. The
Aux_R
,
Aux_G
,
Aux_B
input pins are
typically
connected
to
connector. The
Enc_R
,
Enc_G
,
Enc_B
input pins are
connected to the RGB outputs of an external video
encoder device. These outputs are used as a video
source for the TV SCART pins
TV_R
,
TV_G
, and
TV_B
. The RGB video source is selected by setting
the lower three (3) bits of serial port Register 1.
When these bits are set to xxxxxx00, the RGB
source will be the encoder. When these bits are set
to xxxxxx01, the source will be the auxiliary port. The
TV RGB outputs can be muted independently from
the TV composite outputs. Setting Bit 6 of Register 1
low (0) will allow normal operation. Setting Bit 6 high
(1) will set the TV RGB outputs to the blank level.
the
auxiliary
SCART
RGB Gain:
The gain of the RGB outputs can be
adjusted to one of four different levels. Bits 4 and 5
in Register 2 set the gain of the RGB output
amplifiers according to the following table:
Bit 5
0
0
1
1
Bit 4
0
1
0
1
RGB Amplifier Gain
Gain = 2.0 V/V = A
0
Gain = A
0
- 10%
Gain = A
0
- 20%
Gain = A
0
- 30%
DC Restore:
The device will generate a DC restore
level on each video output based on timing
referenced to a horizontal sync pulse. When the
sync pulse is detected, the DC restore circuit will act
to position the blank level to 0.6 V at the respective
video output load. The device can be programmed
to look for the horizontal sync pulse on all of the
RGB input pins or on the associated composite
video input pin (
Aux_YC
for the auxiliary port or
Enc_YC
for the external encoder). Bit 7 of Register 1
determines the horizontal sync source.
At power-up,
this bit defaults to a low (0) state which programs the
device to look for a sync detect on the RGB input
signals. In this mode, the device can detect a
horizontal sync on any of the three RGB input
signals. When Bit 7 is set to a high (1) state, the
device will look for a sync detect from the signal on
either the
Aux_YC
or
Enc_YC
pin depending on
which source is selected.
Blanking
: The signal on the
Blank
output pin is
determined by the state of two MSBs in Register 2
according to the following table:
Bit 7
0
0
1
1
Bit 6
0
1
0
1
Blank
source
BLANK = ABLANK
BLANK = EBLANK
BLANK = 0V
BLANK = 4V @ IC output pin
The user must insure that the source of the
Blank
output is the same as the source for the RGB
outputs, i.e.
ABLANK
is selected when the auxiliary
RGB is active and
EBLANK
is selected when the
encoder RGB is active.
TV COMPOSITE OUTPUT
The device provides inputs for two composite video
sources that can be switched to the TV SCART
composite video pin,
TV_YCout
. The
AUX_YC
input
pin is typically connected to the “Video In” pin on the
auxiliary SCART connector. The
Enc_YC
input pin is
typically connected to the “YC” or “CVBS” output
from the external video encoder device. Selection of
the video source for the TV composite output is
accomplished when the RGB video source is
selected (see the register tables).
TV SVHS OUTPUT MODE
The device supports SVHS video format. The SVHS
mode is selected for the TV SCART using the lower
three (3) bits of Register 1. When the SVHS mode is
selected, the
TV_YCout
pin will provide the luminance
signal output from the selected source. The chroma
output will be provided on the
TV_R
pin. The video
source for SVHS mode can be either the auxiliary port
or the encoder port. When the auxiliary port is
selected as the video source, the video on
Aux_R
will
be provided at the
TV_R
output pin and the
Aux_YC
video will be provided at the
TV_YCout
pin.
The device will support SVHS mode for three
encoder interface formats. The first encoder
interface format accepts chroma signals on the
Enc_C
pin and luma signals on the
Enc_Y
pin. This
is designated "SVHS, Enc 1" mode. The second
format will receive chroma information on the
Enc_B
pin and luma information on
Enc_G
. This format is
designated "SVHS, Enc 2". The third format will
receive chroma information from the
Enc_R
pin and
luma information from the
Enc_G
pin. This mode is
designated “SVHS, Enc 3”.
When the SVHS mode is selected, the DC restore
on the
TV_R
pin will average to approximately 1.8
VDC at the output pin. The DC restore circuit will act
to position the blank level to 0.6 V at the
TV_YCout
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AVPro5002R-CGT/F | 功能描述:模擬開關(guān) IC Dual Scart A/V Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| AVPro5002R-CGTR/F | 功能描述:模擬開關(guān) IC Dual Scart A/V Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| AVPro5002R-CM/F | 功能描述:模擬開關(guān) IC Dual Scart A/V Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| AvPRO5002R-DB | 制造商:Maxim Integrated Products 功能描述:Development Boards & Kits - AVR AVPro5002R Demo Brd |
| AVPRO5003 | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:Triple SCART A/V Switch |
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