參數(shù)資料
型號(hào): AD9826
廠商: Analog Devices, Inc.
英文描述: Complete 16-Bit Imaging Signal Processor
中文描述: 完整的16位影像信號(hào)處理器
文件頁(yè)數(shù): 12/20頁(yè)
文件大小: 159K
代理商: AD9826
AD9826
–12–
REV. A
ANALOG
INPUTS
CDSCLK1
CDSCLK2
RED
PGA
OUT
OUTPUT
DATA
D<7:0>
PIXEL n (R,G,B)
PIXEL (n+1)
HIGH
BYTE
LOW
BYTE
ADCCLK
GREEN
PGA
OUT
BLUE
PGA
OUT
MUX
OUT
HB
LB
LB
LB
LB
LB
LB
HB
HB
HB
HB
HB
R(n
2)
G(n
2)
G(n
2)
B(n
2)
B(n
2)
R(n
1)
R(n
1)
G(n
1)
G(n
1)
B(n
1)
B(n
1)
R(n)
R(n)
G(n)
G(n)
BLUE (n
1)
GREEN (n
1)
GREEN (n)
BLUE (n)
GREEN (n+1)
RED (n+1)
GREEN (n
1)
BLUE (n
1)
RED (n
1)
RED (n)
GREEN (n)
BLUE (n)
RED (n+1)
GREEN (n+1)
BLUE (n+1)
RED (n)
NOTES
1. THE MUX STATE MACHINE IS INTERNALLY RESET AT THE CDSCLK2 RISING EDGE.
2. EACH PIXEL IS SAMPLED AND AMPLIFIED BY THE PGAs AT CDSCLK2 FALLING EDGE.
3. AFTER CDSCLK2 RISING EDGE, THE NEXT ADCCLK RISING EDGE WILL ALWAYS SELECT RED PGA OUTPUT.
4. THE ADC SAMPLES THE MUX OUTPUT ON ADCCLK FALLING EDGES.
5. THE MUX SWITCHES TO THE NEXT PGA OUTPUT AT ADCCLK RISING EDGES.
Figure 11. Internal Timing Diagram for 3-Channel CDS Mode
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