參數(shù)資料
型號: PNX8510
廠商: NXP Semiconductors N.V.
英文描述: Analog companion chip
中文描述: 模擬伴隨芯片
文件頁數(shù): 17/92頁
文件大?。?/td> 3064K
代理商: PNX8510
Philips Semiconductors
PNX8510/11
Analog companion chip
Product data
Rev. 04 – 12 January 2004
17 of 92
9397 750 12612
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
7.1.6
Primary video channel
Figure 13
illustrates the different modes of operation for the primary video channel.
PNX8510/11 supports color space conversion only in the primary RGB Standard
definition data path. The fixed coefficients of this color space matrix are as follows:
R = Y + 1.371 x Cr
G = Y - (0.336 x Cb + 0.698 x Cr)
B = Y + 1.732 x Cb
7.1.7
Secondary video channel
The secondary display consists of the Y and UV processing data path of a video
encoder only. The synchronization information will be extracted from the incoming D1
data stream. The structure of the secondary display pipe is shown in
Figure 14
.
Standard definition operating mode
Fig 13. Primary display pipe
MDB647
10
10
10
24
16
8
10/8
INPUT
INTERFACE
MIXER
Y-PROCESSING
CVBS/Y-DAC
R/C-DAC
G/CR/Y-DAC
B/CB-DAC
SYNC
EXTRACT
UV-PROCESSING
SYNC
CLK-DIVIDER
MACROVISION
(1)
BLANKING
MACROVISION
(1)
INSERTION
DELAY
COMP
COLOR
SPACE
MATRIX
RGB-
mode
D1
CLK input
system CLK
VIDEO ENCODER
RGB-PIPE
Standard definition operating mode
Fig 14. Secondary display pipe
MDB648
10/8
10
10
INPUT
INTERFACE
MIXER
Y-PROCESSING
CVBS/Y-DAC
C-DAC
UV-PROCESSING
SYNC
MACROVISION
(1)
D1
VIDEO ENCODER
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