參數(shù)資料
型號(hào): VPX3224D
廠商: Electronic Theatre Controls, Inc.
英文描述: Video Pixel Decoders
中文描述: 視頻解碼器像素
文件頁(yè)數(shù): 7/92頁(yè)
文件大?。?/td> 672K
代理商: VPX3224D
VPX 3225D, VPX 3224D
PRELIMINARY DATA SHEET
7
Micronas
1.1. System Architecture
The block diagram (Fig. 1–1) illustrates the signal flow
through the VPX. A sampling stage performs 8-bit A/D
conversion, clamping, and AGC. The color decoder sep-
arates the luma and chroma signals, demodulates the
chroma, and filters the luminance. A sync slicer detects
the sync edge and computes the skew relative to the
sample clock. The video processing stage resizes the
YCbCr samples, adjusts the contrast and brightness,
and interpolates the chroma. The text slicer extracts
lines with text information and delivers decoded data
bytes to the video interface.
Note:
The VPX 3225D and VPX 3224D are not register
compatible with the VPX 3220A, VPX 3216B, and
VPX 3214C family.
T
T
T
T
R
Fig. 1–1:
Block diagram of the VPX 3224D, VPX 3225D
Clock Gen.
DCO
ADC
Sync Processing
Text Slicer
(VPX 3225D only)
Chroma
Demodulator
Line Store
Luma Filter
Video Decoder
M
ADC
I2C
JTAG
V
V
CVBS/Y
Chroma
SDA
SCL
HREF
VREF
FIELD
A[7:0]
OEQ
B[7:0]
PIXCLK
LLC
VACT
Y
Y
C
b
C
r
C
b
C
r
M
M
P
P
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
VPX3224D-C3 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microprocessor
VPX3224E 制造商:MICRONAS 制造商全稱(chēng):MICRONAS 功能描述:Video Pixel Decoders
VPX3225D 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Video Pixel Decoders
VPX3225D-C3 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microprocessor
VPX3225E 制造商:MICRONAS 制造商全稱(chēng):MICRONAS 功能描述:Video Pixel Decoders