參數(shù)資料
型號(hào): IBIS4-6600-C-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(yè)數(shù): 28/63頁(yè)
文件大?。?/td> 1286K
代理商: IBIS4-6600-C-1
IBIS4-6600
Datasheet
Cypress Semiconductor Corporation
Contact: info@Fillfactory.com Document #: 38-05708 Rev.**(Revision 1.3 ) Page 28 of 63
3901 North First Street
San Jose, CA 95134
408-943-2600
Advantages
High dynamic range – as the results
includes signal for short and long
integrations times.
Disadvantages
Requires system level digital calculations.
3.9 Sequencer
Figure 3 showed a number of control signals that are needed to operate the sensor in a
particular sub-sampling mode, with a certain integration time, output amplifier gain,
etc. Most of these signals are generated on chip by the sequencer that uses only a few
control signals. These control signals should be generated by the external system:
S
YS
_
CLOCK
, which defines the pixel rate (nominal 40 MHz),
Y_
START
pulse, which indicates the start of a new frame,
Y_
CLOCK
, which selects a new row and will start the row blanking sequence,
including the synchronization and loading of the X-register.
The relative position of the pulses will be determined by a number of data bits that are
uploaded in internal registers through a Serial to Parallel interface (SPI).
3.9.1 Internal registers
Table 12 shows a list of the internal registers with a short description. In the next
section, the registers are explained in more detail.
Table 12: List of internal registers
Register
0 (0000)
Bit
11:0
Name
Description
SEQUENCER register
Selection of mode, granularity of the X
sequencer clock, calibration, …
Default value <11:0>:”000100000000”
Mode of readout:
NDR = 0: normal readout (double sampling)
NDR = 1: non-destructive readout
4 different modes of non-destructive readout (no
influence if NDR = 0)
0 = normal operation
1 = reset of pixels before readout
0 = electronic shutter operation
1 = addressing from both sides
0 = fast
1 = slow
0 = fast
1 = slow
0 = normal mode
1 = ‘continuous precharge’
Granularity of the X sequencer clock
0
NDR
1:2
NDR_mode
3
RESET_BLACK
4
FAST_RESET
5
FRAME_CAL_MODE
6
LINE_CAL_MODE
7
CONT_CHARGE
8
9
GRAN_X_SEQ_LSB
GRAN_X_SEQ_MSB
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