VT1621M VIA, VT1621M Datasheet - Page 4

• Manufacturer Part Number: VT1621M
• Description: TV Encoder
• Manufacturer: VIA

REVISION HISTORY ....................................................................................................................................................................... I
TABLE OF CONTENTS ..................................................................................................................................................................II
LIST OF FIGURES......................................................................................................................................................................... III
LIST OF TABLES........................................................................................................................................................................... III
PRODUCT FEATURES ....................................................................................................................................................................1
OVERVIEW .......................................................................................................................................................................................2
PINOUTS ............................................................................................................................................................................................3
REGISTERS .......................................................................................................................................................................................6
FUNCTIONAL DESCRIPTION.....................................................................................................................................................13
PC BOARD LAYOUT CONSIDERATIONS ................................................................................................................................33
ELECTRICAL SPECIFICATIONS ...............................................................................................................................................34
Revision 1.0 June 17, 2002
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IN
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EGISTER
EGISTER
RCHITECTURE
OMPONENT
BSOLUTE
ECOMMENDED
ASTER
Data Capture .........................................................................................................................................................................13
Color Space Converter .........................................................................................................................................................13
Scaler and Deflicker..............................................................................................................................................................13
Encoder ..................................................................................................................................................................................13
DAC........................................................................................................................................................................................13
Serial bus Interface ...............................................................................................................................................................14
CRTC .....................................................................................................................................................................................14
PLL.........................................................................................................................................................................................14
Master mode ..........................................................................................................................................................................14
Slave Mode.............................................................................................................................................................................14
Digital Video Interface..........................................................................................................................................................16
Video Standards ....................................................................................................................................................................17
Color Bar Test Pattern Generator.......................................................................................................................................27
Subcarrier Generation..........................................................................................................................................................27
Burst Generation...................................................................................................................................................................27
Power Down mode ................................................................................................................................................................27
Macrovision Anti-Copy Protection......................................................................................................................................27
Display Modes .......................................................................................................................................................................27
Filters .....................................................................................................................................................................................30
Clock Frequency ...................................................................................................................................................................32
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IAGRAM
ESCRIPTIONS
We Connect
We Connect
We Connect
We Connect
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VERVIEW
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AXIMUM
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LACEMENT
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LOCK
PERATING
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R
ATINGS
M
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ODE
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ONDITIONS
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VT1621 / VT1621M TV Encoder
Table of Contents