參數(shù)資料
型號: AD9845AJST
廠商: ANALOG DEVICES INC
元件分類: 消費家電
英文描述: Complete 12-Bit 30 MSPS CCD Signal Processor
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: PLASTIC , LQFP-48
文件頁數(shù): 12/22頁
文件大小: 252K
代理商: AD9845AJST
REV. 0
AD9845A
–12–
0101...
0101...
0101...
NOTE: 0 = GAIN0, 1 = GAIN1, 2 = GAIN2, 3 = GAIN3
2323...
2323...
2323...
HD
LINE 0
LINE 1
LINE 2
LINE m
LINE m
1
LINE 0
LINE 1
LINE 2
LINE m
LINE m
1
EVEN FIELD
ODD FIELD
VD
Figure 16. PxGA Mode 5 (VD Selected) Frame/Line Gain Register Sequence
SHP
HD
5 PIXEL MIN
PxGA
GAIN
GAIN0
GAIN1
GAIN0
NOTES:
1. BOTH VD AND HD ARE INTERNALLY UPDATED AT SHP RISING EDGES.
2. EVERY HD RISING EDGE WITH A PREVIOUS VD FALLING EDGE WILL RESET TO 0101.
3. EVERY HD RISING EDGE WITH A PREVIOUS VD RISING EDGE WILL RESET TO 2323.
4. EVERY HD RISING EDGE WITHOUT A PREVIOUS VD RISING EDGE WILL REPEAT EITHER 0101... (EVEN) OR 2323 ... (ODD).
GAIN3
GAIN2
GAINX
GAINX
3ns MIN
VD
3ns MIN
Figure 17. PxGA Mode 5 (VD Selected) Detailed Timing
FRAME n
VD
HD
LINE 0
LINE 1
LINE 2
LINE m
0101...
1212...
0101...
LINE m
1
LINE 0
LINE 1
LINE 2
LINE m
0101...
1212...
0101...
LINE m
1
NOTE: 0 = GAIN0, 1 = GAIN1, 2 = GAIN2
FRAME n+1
Figure 18. PxGA Mode 6 (Mosaic Repeat) Frame/Line Gain Register Sequence
SHP
HD
PxGA
GAIN
GAIN0
GAIN1
GAIN0
NOTES:
1. MINIMUM PULSEWIDTH FOR HD AND VD IS 5 PIXEL CYCLES.
2. BOTH VD AND HD ARE INTERNALLY UPDATED AT SHP RISING EDGES. MINIMUM SET-UP TIME IS 3ns.
3. EVERY HD RISING EDGE WITH A PREVIOUS VD RISING EDGE WILL RESET TO 0101.
4. EVERY HD RISING EDGE WITHOUT A PREVIOUS VD RISING EDGE WILL ALTERNATE BETWEEN 0101... AND 1212.
GAIN2
GAINX
GAINX
GAIN1
3ns MIN
VD
3ns MIN
5 PIXEL MIN
Figure 19. PxGA Mode 6 (Mosaic Repeat) Detailed Timing
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