PIXEL GAIN AMPLIFIER (PxGA) TIMING FRAME N LINE 0 LINE 1 LINE 2 LINE M 0101... 2323... 0101... LINE M–1 LINE 0 LINE 1 LINE " />
參數(shù)資料
型號(hào): AD9845BJSTZRL
廠商: Analog Devices Inc
文件頁數(shù): 2/24頁
文件大小: 0K
描述: IC CCD SIGNAL PROC 12BIT 48LQFP
標(biāo)準(zhǔn)包裝: 2,000
類型: CCD 信號(hào)處理器,12 位
輸入類型: 邏輯
輸出類型: 邏輯
接口: 3 線串口
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
REV.
B
–10–
AD9845B
PIXEL GAIN AMPLIFIER (PxGA) TIMING
FRAME N
LINE 0
LINE 1
LINE 2
LINE M
0101...
2323...
0101...
LINE M–1
LINE 0
LINE 1
LINE 2
LINE M
0101...
2323...
0101...
LINE M–1
0 = GAIN0, 1 = GAIN1, 2 = GAIN2, 3 = GAIN3
FRAME N+1
VD
HD
Figure 8. PxGA Mode 1 (Mosaic Separate) Frame/Line Gain Register Sequence
SHP
HD
3ns MIN
PxGA GAIN
GAIN0
GAIN1
GAIN0
GAIN3
GAIN2
GAINX
VD
NOTES
1. MINIMUM PULSEWIDTH FOR HD AND VD IS FIVE PIXEL CYCLES.
2. BOTH VD AND HD ARE INTERNALLY UPDATED AT SHP RISING EDGES. MINIMUM SETUP TIME IS 3 ns.
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 2323.
5 PIXEL MIN
Figure 9. PxGA Mode 1 (Mosaic Separate) Detailed Timing
0101...
2323...
0101...
2323...
0101...
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
0 = GAIN0, 1 = GAIN1, 2 = GAIN2, 3 = GAIN3
VD
Figure 10. PxGA Mode 2 (Interlace) Frame/Line Gain Register Sequence
SHP
HD
PxGA
GAIN
GAIN0
GAIN1
GAIN0
GAIN3
GAIN2
GAINX
3ns MIN
5 PIXEL MIN
VD
NOTES
1. BOTH VD AND HD ARE INTERNALLY UPDATED AT SHP RISING EDGES.
2. EVERY HD RISING EDGE WITH A PREVIOUS VD RISING OR FALLING EDGE WILL RESET TO 0101.
3. EVERY HD RISING EDGE WITHOUT A PREVIOUS VD RISING EDGE WILL ALTERNATE BETWEEN 0101... AND 2323.
Figure 11. PxGA Mode 2 (Interlace) Detailed Timing
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