參數(shù)資料
型號: VV5410C036
廠商: 意法半導(dǎo)體
英文描述: Mono and Colour Digital Video CMOS Image Sensors
中文描述: 莫諾和數(shù)字視頻彩色CMOS圖像傳感器
文件頁數(shù): 27/105頁
文件大?。?/td> 489K
代理商: VV5410C036
CMOS Sensor; Customer Datasheet, Rev 3.0, 28 September 2000
VV5410 & VV6410
Commercial in confidence
cd5410-6410f-3-0.fm
8.
Digital Video Interface Format
8.1
The video interface consists of a bidirectional, tri-stateable 5-wire data bus. The nibble transmission is synchronised to the rising
edge of the system clock (Figure 31).
General description
Digital video data may be either 8 or 10 bits per sample, and can be transmitted in one of the following ways:
10-bit data
1. A series pair of 5-bit nibbles, most significant nibble first, on 5 wires.
2. An 8-bit number e.g. line code. line numbers and status line data is padded with 00 in the least significant two bits to make
up a 10-bit value.
8-bit data
1. A single 8 bit byte over 8 output wires
note
.
2. A series pair of 4-bit nibbles, most significant nibble first, on 4 wires.
3. The top 8-bits of a 10-bit value e.g. pixel data or line averages is used as the 8-bit equivalent.
note: if the 8-wire output mode has been selected then the normal FST/LST pin function is sacrificed as these pins are required
to output data information
In the following description the 4-wire mode is used as an example. The 5-wire mode can be viewed as a variant of the 4-wire
mode. Data is output on the least significant data wires available. e.g. in 4-wire mode, data is output on data wires D[3:0] while in
Read-out Order
Progressive Scan (Non-interlaced)
Form of encoding
Uniformly quantised, PCM, 8/10 bits per sample
Correspondence between video signal
levels and quantisation levels:
The internal10-bit pixel data is clipped to ensure that 0
H
and 3FF (5
Wire) or FF
H
(4/8 Wire) values do not occur when pixel data is being
output on the data bus.
10-Bit Data
8-Bit Data
Pixel Values
1 to 1022
Pixel Values
1 to 254
Black Level
64
Black Level
16
Table 10 : Video encoding parameters
Figure 12 : Possible Output Modes
4 - wire Output Mode
D
9
,D
8
,D
7
,D
6
D
5
,D
4
,D
3
,D
2
D
5
,D
4
,D
3
,D
2
D
9
,D
8
8-bit Pixel Data
10-bit Pixel Data
5 - wire Output Mode
D
9
,D
8
,D
7
,D
6
,D
5
D
4
,D
3
,D
2
,D
1
,D
0
D
4
,D
3
,D
2
,D
1
,D
0
D
9
,D
8
,D
8- wire Output Mode
D
9
,D
8
,D
7
,D
6
,D
5
,D
4
,D
3
,D
2
D
9
,D
8
,D .........
....D
2
,D
1
,D
0
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