參數(shù)資料
型號(hào): SDA9400
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Scan Rate Converter using Embedded DRAM Technology Units
中文描述: 掃描頻率轉(zhuǎn)換器采用嵌入式DRAM技術(shù)股
文件頁(yè)數(shù): 15/94頁(yè)
文件大小: 1180K
代理商: SDA9400
SDA 9400
Micronas
15
Preliminary Data Sheet
6.2
Input format conversion (IFC)
Input signals
The SDA 9400 accepts at the input side the sample frequency relations of Y : (B-Y) : (R-Y): 4:2:2
and CCIR 656. In case of CCIR 656 three modes are supported (FORMAT=11 means full CCIR 656
support, including H-, V-Sync and Field signal, FORMAT=01 means only data processing, H- and V-
Sync have to be added separately according PAL/NTSC norm, FORMAT=10 means only data
processing, H- and V-sync have to be added separately according CCIR656-PAL/NTSC norm). The
representation of the samples of the chrominance signal is programmable as positive dual code
(unsigned, parameter TWOIN=0) or two's complement code (TWOIN=1, see also
I2C bus format
on
page 64, I2C bus parameter 00h). Inside the SDA 9400 all algorithms assume positive dual code.
Input data formats
X
ab
:
X: signal component a: sample number b: bit number
Signals
Pin number
Description
YIN0...7
UVIN0...7
43, 44, 45, 46, 47, 48, 49, 50
31, 32, 33, 34, 37, 38, 39, 40
luminance input
chrominance input
Data
Pin
CCIR 656
FORMAT = 1X
FORMAT = 01
U
07
Y
07
U
06
Y
06
U
05
Y
05
U
04
Y
04
U
03
Y
03
U
02
Y
02
U
01
Y
01
U
00
Y
00
4:2:2 Parallel
FORMAT = 00
YIN7
YIN6
YIN5
YIN4
YIN3
YIN2
YIN1
YIN0
UVIN7
UVIN6
UVIN5
UVIN4
UVIN3
UVIN2
UVIN1
UVIN0
V
07
V
06
V
05
V
04
V
03
V
02
V
01
V
00
Y
17
Y
16
Y
15
Y
14
Y
13
Y
12
Y
11
Y
10
Y
07
Y
06
Y
05
Y
04
Y
03
Y
02
Y
01
Y
00
U
07
U
06
U
05
U
04
U
03
U
02
U
01
U
00
Y
17
Y
16
Y
15
Y
14
Y
13
Y
12
Y
11
Y
10
V
07
V
06
V
05
V
04
V
03
V
02
V
01
V
00
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