![](http://datasheet.mmic.net.cn/Exar-Corporation/XRD9818ACGTR_datasheet_102207/XRD9818ACGTR_23.png)
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XRD9818
3-CHANNEL 16-BIT LINEAR CCD/CIS SENSOR SIGNAL PROCESSOR
REV. 1.0.1
23
FIGURE 17. 1-CH CCD MODE SYSTEM TIMING (BYTE & NIBBLE MODES)
FIGURE 18. 3-CH CIS MODE SYSTEM TIMING (BYTE & NIBBLE MODES)
MSB (n)
MSB(n+1)
LSB (n)
LSB (n-1)
MSB (n-1)
Pixel (n)
.....
Pixel (n+10)
Pixel (n+9)
.....
CCD
IN
ADCLK
BYTE
BSAMP
VSAMP
.....
OUTPUT DATA
ADCO(7:0)
BYTE
MSB =>DB(15:8)
LSB =>DB(7:0)
.....
ADCLK
C=> DB7-DB4
D=> DB3-DB0
B=> DB11-DB8
A=> DB15-DB12
An
Bn
Cn
Dn
OUTPUT DATA
ADCO(7:4)
NIBBLE
.....
BYTE Mode
NIBBLE Mode
tcr1
tap
tvfcr
todv
tstl
todv
tcp1b
tcp1n
C=> GRN (DB15-DB8)
D=> GRN (DB7-DB0)
E=> BLU (DB15-DB8)
F=> BLU (DB7-DB0)
B=> Red (DB7-DB0)
A=> Red (DB15-DB8)
Pixel (n)
.....
Pixel (n+4)
Pixel (n+3)
.....
An
Bn
Cn
Dn
En
Fn
CIS
IN
ADCLK
BYTE
VSAMP
.....
OUTPUT DATA
ADCO(7:0)
BYTE
tcr3
tcp3b
tvfcr
todv
tap
.....
g=> GRN (DB7-DB4)
h=> GRN (DB3-DB0)
f=> GRN(DB11-DB8)
e=> GRN (DB15-DB12)
k=> BLU (DB7-DB4)
l=> BLU (DB3-DB0)
j=> BLU (DB11-DB8)
i=> BLU (DB15-DB12)
c=> RED (DB7-DB4)
d=> RED (DB3-DB0)
b=> RED (DB11-DB8)
a=> RED (DB15-DB12)
an bn cn dn en fn gn hn in jn kn ln
tstl
ADCLK
NIBBLE
OUTPUT DATA
ADCO(7:4)
NIBBLE
BYTE Mode
NIBBLE Mode
tcp3n
todv