參數(shù)資料
型號: VV5410
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): 57/105頁
文件大小: 489K
代理商: VV5410
CMOS Sensor; Customer Datasheet, Rev 3.0, 28 September 2000
VV5410 & VV6410
Commercial in confidence
cd5410-6410f-3-0.fm
8.10.5 Line Start Signal, LST
There are 4 modes of operation for the LST pin programmable via the serial interface, (see fg_mode[20]):
1. Disabled (Always Low- Default).
2. Free running - LST signal occurs once at the beginning of every line.
3. All lines except blanking lines are qualified by LST.
4. Only Black and Visible Lines are qualified by LST.
The LST is tri-stated either when OEB is driven high or via the appropriate control bit in the serial interface, (see data_format
register[22]). Table 18below details the LST timing for the different video modes, (see Figure 33 for specification of t1 and t2).
8.10.6 Frame Start Signal, FST
There are 3 modes of operation for the FST pin programmable via the serial interface:
1. Disabled (Always Low- Default).
2. Frame start signal. The FST signal occurs once frame, is high for 356 pixel periods (712 system clock periods) and qualifies
the data in the start of frame line.
3. Shutter/Electronic Flash Synchronisation Signal - FST rises a the start of the video data in the first black/blank line after the
EOF line and falls at the end of data in the SOF line.
The FST output is tri-stated either when OEB is driven high or via the appropriate control bit in the serial interface, (see
data_format register[22]).
The configuration details for FST can be found in fg_mode register[20].
Video Mode
t1
t2
pck’s
us
pck’s
CIF
21
5.25
16
4.000
QCIF (both pan tilt and sub sampled,
16Mhz clock)
6
6.00
15
15.00
QCIF (both pan tilt and sub sampled,
8Mhz clock)
6
6.00
15
15.00
PAL
33
4.652
42
5.962
NTSC
27
4.714
12
2.095
Table 18 : LST Timing
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