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參數(shù)資料
| 型號： | SPCA701A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | DIGITAL VIDEO ENCODER FOR VIDEOCD |
| 中文描述： | 數(shù)字影像光盤的視頻編碼器 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 145K |
| 代理商： | SPCA701A |
SPCA701A
Sunplus Technology Co., Ltd. 2 Rev.: 0.2 1999.12.07
Preliminary
PIN DESCRIPTION (Table 1.)
Mnemonic
PIN No.
Type
Description
DATA[7:0]
21-28
I
YCrCb pixel inputs. They are latched on the rising edge of CLK. YCrCb
input data conform to CCIR 601.
CLK
29
I
Pixel clock input.
VSYNC
32
I/O
Vertical sync input/output. VSYNC is latched/output following the rising
edge of CLK.
HSYNC
1
I/O
Horizontal sync input/output. HSYNC is latched/output following the
rising edge of CLK.
MASTER
16
I
Master/slave mode selection. A logical high for master mode operation.
A logical 0 for slave mode operation
CBSWAP
15
I
Cr and Cb pixel sequence configuration pin. A logic high swap the Cr
and Cb sequence.
SVIDEO
14
I
SVIDEO select input pin. A logic high selects Y/C output. A logic low
selects composite video output.
SLEEP
13
I
Power save mode. A logic high on this pin puts the chip into power-
down mode.
Mode[3:2]
17-18
I
Mode configuration pin.
Mode[1:0]
19-20
I
Useless pins. It will be better to connect them to VDD or DGND.
TEST
2
I
Test pin. These pins must be connected to DGND.
VREFIN
9
I
Voltage reference input. An external voltage reference must supply
typical 1.235V to this pin. A 0.1 F ceramic capacitor must be used to
de-couple this input to GND. The decoupling capacitor must be as
closed as possible to minimize the length of the load. This pin may be
connected directly to VREFOUT.
VREFOUT
8
O
Voltage reference output. It generates typical 1.2V voltage reference
and may be used to drive VREFIN pin directly.
FSADJ
5
-
Full-Scale adjust control pin. The Full-Scale current of D/A converters
can be adjusted by connecting a resistor (RSET) between this pin and
ground.
COMP
6
-
Compensation pin. A 0.1 F ceramic capacitor must be used to bypass
this pin to VAA. The lead length must be kept as short as possible to
avoid noise.
CVBSY
4
O
Composite/Luminance output. This is a high-impedance current source
output. The output format can be selected by the PAL pin. The
CVBSY can drive a 37.5 load. If unused, this pin must be connected
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