參數(shù)資料
型號: UPD61051
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT MPEG2 AUDIO/VIDEO ENCODER
中文描述: 馬鞍山集成電路MPEG2音頻/視頻編碼器
文件頁數(shù): 9/106頁
文件大?。?/td> 824K
代理商: UPD61051
Data Sheet S15082EJ4V0DS
9
μ
PD61051, 61052
1.
PIN FUNCTION
Sharing pin is bold faced in name and explains the feature shown.
1.1
Video Input Interface
The video input is based on the ITU-R BT.656 format. The horizontal synchronization signal, and the vertical
synchronization signal, the field index can be used without using SAV and EAV to provide at ITU-R BT. 656, too.
Name
IO
Pin
Number
Function
Active
Polarity
IVIN7 to IVIN0
I
23 to 16
Video data
IVCLK
I
25
Video clock (27 MHz)
IVHSYNC
I
12
Horizontal synchronization
L
IVVSYNC
I
14
Vertical synchronization
L
IVFLD
I
11
Field index
1.2
Video Output Interface
The video output is based on the ITU-R BT.656 format. It is able to output horizontal and vertical synchronization
signals with SAV/EAV. These synchronization signals are chosen output by the firmware. These ports become GPO
until the firmware initializes after hardware reset.
At the time of the odd field, OVVSYNC falls in the 4th clock after falling of OVHSYNC.
At the time of the even field, OVVSYNC falls in to the H/2+4th clock the OVHSYNC falling.
Name
IO
Pin
Number
Function
Active
Polarity
OVOUT7, OVOUT6
O
208, 207
Video data
OVOUT5 to OVOUT0
/
FA19 to FA14
O
206 to
201
Video data
OVCLK
O
199
Video clock (27 MHz)
GPO5/
OVHSYNC
O
195
Horizontal synchronization
L
GPO6/
OVVSYNC
O
197
Vertical synchronization
L
1.3
Audio Input Interface
Name
IO
Pin
Number
Function
Active
Polarity
IALRCK
I
7
Left/Right clock
IABCK
I
8
Bit clock
IABD
I
9
Bit data
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