參數(shù)資料
型號: IBIS4-6600-M-1
廠商: Cypress Semiconductor Corp.
英文描述: High resolution 6.6 M Pixel Rolling shutter CMOS Image sensor
中文描述: 高像素分辨率6.6米,卷簾門的CMOS圖像傳感器
文件頁數(shù): 32/63頁
文件大?。?/td> 1286K
代理商: IBIS4-6600-M-1
IBIS4-6600
Datasheet
After a certain integration time, the read out can be done in a similar way. The Y shift
registers are again synchronized to the first row. Both shift registers are driven
identically, and all rows & columns are scanned for (destructive) readout.
F
AST
_
RESET
= 1 puts the sequencer in such mode that the left and right shift registers
are both controlled identically.
Cypress Semiconductor Corporation
Contact: info@Fillfactory.com Document #: 38-05708 Rev.**(Revision 1.3 ) Page 32 of 63
3901 North First Street
San Jose, CA 95134
408-943-2600
3.9.2.a.5 Output amplifier calibration (bit 5 and 6)
Bits F
RAME
_
CAL
_
MODE
and L
INE
_
CAL
_
MODE
define the calibration mode of the
output amplifier.
During every row-blanking period, a calibration is done of the output amplifier.
There are 2 calibration modes. The
FAST
mode (= 0) can force a calibration in one
cycle but is not so accurate and suffers from kTC noise, while the
SLOW
mode (= 1)
can only make incremental adjustments and is noise free. Approximately 200 or more
“slow” calibrations will have the same effect as 1 “fast” calibration.
Different calibration modes can be set at the beginning of the frame
(F
RAME
_
CAL
_
MODE
bit) and for every subsequent row that is read (L
INE
_
CAL
_
MODE
bit).
3.9.2.a.6 Continuous charge (bit 7)
For some applications it might be necessary to use continuous charging of the pixel
columns instead of a precharge on every row sample operation.
Setting bit C
ONT
_
CHARGE
to 1 will activate this function. The resistor connected to
pin C
MD
_
COL
is used to control the current level on every pixel column.
3.9.2.a.7 Internal clock granularities
The system clock is divided several times on chip.
The X-shift-register that controls the column/pixel read out, is clocked by half the
system clock rate. Odd and even pixel columns are switched to 2 separate buses. In
the output amplifier the pixel signals on the 2 busses can be combined to one pixel
stream at 40 MHz.
The clock that drives the X-sequencer can be a multiple of 2, 4, 8 or 16 times the
system clock. Table 14 shows the settings for the granularity of the X-sequencer clock
and the corresponding row blanking time (for NDR = 0). A row blanking time of 7.18
μs is the baseline for almost all applications.
Table 14: Granularity of X-sequencer clock and corresponding row blanking time (for NDR = 0).
Gran_x_seq_msb/lsb
00
X-sequencer
2 x sys_clock
Row blanking
142 x T
SYS_CLOCK
Row blanking time
3.55
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