Preliminary CCD Signal SBLK SPIX ADCLK Black Level Video Level DB[11:0] Sample PGAout Sample Black Sample Video bit 11 b" />
參數(shù)資料
型號(hào): XRD98L62ACV-F
廠商: Exar Corporation
文件頁(yè)數(shù): 19/37頁(yè)
文件大小: 0K
描述: IC CCD DIGITIZER 12BIT 48TQFP
標(biāo)準(zhǔn)包裝: 250
位數(shù): 12
通道數(shù): 1
電壓 - 電源,模擬: 2.7 V ~ 3.6 V
電壓 - 電源,數(shù)字: 2.7 V ~ 3.6 V
封裝/外殼: 48-TQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 托盤
XRD98L62
26
Rev. P2.00
Preliminary
CCD
Signal
SBLK
SPIX
ADCLK
Black Level
Video
Level
DB[11:0]
Sample
PGAout
Sample
Black
Sample
Video
bit 11
bit 10
bit 9
bit 8
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bits
1 & 0
Error
Correction
Pixel N
Pixel N+1
Pixel N-1
Pixel N-2
Pixel N-3
Pixel N-4
Pixel N-5
Pixel N-6
Pixel N-7
7.5 Pixel Pipeline Delay
Pixel N-8
t
DL
Figure 14. Pixel Timing Showing Pipeline Delay
SPIXopt
In the default case below,(Figure 15), SPIXopt=0, the
internal sample video switches turn ON a programmed
delay after the SBLK pulse ends, and turn OFF at the
end of the SPIX pulse. The turn ON delay is pro-
grammed by DelayB[8:6].
When SPIXopt = 1, the internal SPIX switches are
controlled only by the SPIX pulse. This mode is
intended for camera systems where the designer has
the ability to externally fine tune both the rising and
falling edges of SPIX to achieve optimum performance
(see Figure 16).
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