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VP5313A/CG/GP1N

更新时间： 2024-09-14 23:45:15
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VP5313A/CG/GP1N 数据手册

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VP5313/VP5513  
NTSC/PAL Digital Video Encoder  
Supersedes DS4509 1.9 September 1997 edition  
DS4509 - 2.2 October 1998  
The VP5313/VP5513 converts digital Y Cr Cb data into  
analog PAL or NTSC composite video, and also provides  
simultaneous RGB outputs. These additional converters can  
optionally provide separate luma and chroma outputs plus a  
further composite video channel. All outputs are capable of  
driving doubly terminated 75Ω loads with standard video  
levels.  
33  
23  
34  
22  
All D/A converters are to 9 bit accuracy, and are provided with  
27MHz oversampled data. The latter simplifies the  
requirement for external analog anti-aliasing filters, and  
reduces the sinx/x distortion inherent in D/A converters.  
Separate digital scaling is applied to the chroma data path in  
ordertomakethemostefficientuseofthe9bitdynamicrange.  
The device accepts data inputs complying with CCIR  
recommendation 656. In this format 4:2:2 video is multiplexed  
onto an 8 bit bus using a 27MHz clock. Active video markers  
are embedded into the data stream and extracted by the  
VP5313/VP5513. Optionally the user can supply separate  
horizontal and vertical syncs, and colour can be genlocked to  
an external subcarrier if necessary.  
In an alternative operating mode the VP5313/VP5513 can  
be configured as the source of sync for the rest of the system.  
In this master mode the horizontal and vertical sync pins  
become outputs, and any control codes in the CCIR656 bit  
stream are ignored.  
The VP5313/VP5513 supports the insertion of teletext  
data through a serial interface. An internal filter shapes the  
data edges.  
44  
12  
1
11  
GP44  
Fig.1 Pin connections (top view)  
PIN  
1
2
3
4
5
6
7
8
FUNCTION  
VDD  
PIN  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
FUNCTION  
SCL  
PD5  
PD6  
PD7  
SDA  
DACCOMP  
RED/C  
GREEN/Y  
AVDD  
AGND  
AVDD  
BLUE/CVBS2  
CVBS1  
VREF  
CLAMP  
COMPSYNC  
PALID  
SCSYNC  
REFSQ  
GND  
FEATURES  
9
■
Converts Y, Cr, Cb data to analog RGB and composite  
or S-video and composite video  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
VDD  
FC2  
FC1  
FC0  
■
■
■
■
■
Supports CCIR recommendations 601 and 656  
All digital video encoding  
Selectable master/slave mode for sync signals  
Switchable chrominance bandwidth  
CCIR 624 PAL SMPTE or 170M NTSC compatible  
outputs  
RREF  
AGND  
AGND  
AVDD  
PD0  
PD1  
PD2  
PD3  
PD4  
HSYNC  
VSYNC  
TTXREQ  
SA  
TTXDATA  
VDD  
■
■
■
GENLOCK mode  
I2C bus serial microprocessor interface  
Only VP5313 supports Macrovision anti-taping  
Rev. 7.01  
■
■
Line 21 Closed Caption encoding  
Teletext insertion, fully line programmable  
GND  
GND  
PXCK  
RESET  
APPLICATIONS  
■
■
■
■
■
■
Digital Cable TV  
Digital Satellite TV  
Multi-media  
Video games  
Digital VCRs  
Karaoke  
ORDERING INFORMATION  
VP5313A/CG/GP1N  
VP5513A/CG/GP1N  
1234567...18

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