Photon Focus MV-D752-28 User manual

MV-D752-28
CMOS area scan camera
Camera User’s Manual
REV: 1.0

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MV-D752-28 User’s Manual
REVISION 1.0 2003 PHOTONFOCUS.
Important Note: Photonfocus reserves the right to make changes to its products without
notice. Photonfocus products are neither intended nor certified for use in life support
systems or in other critical systems. The use of Photonfocus products in such applications
is forbidden. Photonfocus, LinLog, LinLog2 and CameraLink are registered trademarks in
Switzerland and in other countries.
PHOTONFOCUS
The Swiss company Photonfocus specializes in the development of CMOS image
sensors and corresponding industrial cameras for the Machine Vision, High-End
Surveillance and Automotive markets.
Photonfocus, formed as a Spin-off from the Swiss Research Center for Electronics and
Microtechnology (CSEM) in April 2001, is dedicated to making the latest generation of
CMOS technology commercially available. Active Pixel Sensor (APS) and global shutter
technologies enable high speed applications and applications with high picture contrast
(120 dB) to be realized, while avoiding the disadvantages, e.g. image lag, of
conventional logarithmic CMOS sensors. LinLogTM Technology was recognized with the
Stuttgart Vision 2000 prize for innovation and, more recently, the Photonics Award of
Excellence. With these technologies, blooming and smear belong to the past.
With the digital MV-D1024, MV-D752 and MV-D640 camera series, Photonfocus has
proven that the image quality of modern CMOS sensors is now appropriate for
demanding measurement and automotive applications. The MV-D1024 camera attains full
frame rates of up to 150 fps with megapixel resolution; by using the Region Of Interest
(ROI) feature, the frame rate can be increased to well over 1000 frames per second. The
cameras can be supplied with either an LVDS (RS644) or a CameraLink digital interface.
The product range of Photonfocus is complemented by custom design solutions in the
area of camera electronics and CMOS image sensors. Customer specific requirements,
such as number of pixels, noise performance, dynamic range or sensitivity, can be
implemented and optimized.
PHOTONFOCUS is ISO 9001 certified. All products are produced with the latest
techniques in order to ensure the highest degree of quality
PHOTONFOCUS has a worldwide network of distributors available in Europe, the USA and
Asia.
For further information about PHOTONFOCUS and its products, please visit our
homepage:
http://www.photonfocus.com

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Index
1 Introduction................................................................................................... 5
2 Mechanical Dimensions.................................................................................... 7
3 Interface pin assignments ................................................................................ 8
3.1 CameraLink Interface................................................................................. 8
3.2 LVDS Interface ......................................................................................... 9
4 Status indicator .............................................................................................. 9
5 Timing Diagrams ............................................................................................ 9
5.1 Free running mode .................................................................................... 9
5.2 Trigger mode............................................................................................ 9
5.3 Trigger mode with external edge triggered exposure control............................ 9
5.4 Sync-exposure mode ................................................................................. 9
5.5 Overview of the trigger modes .................................................................... 9
6 Variation of the sensor characteristics................................................................ 9
7 Variation of the amplification ............................................................................ 9
8 Change of resolution ....................................................................................... 9
8.1 Flip Image................................................................................................ 9
8.2 Correction of manufacturing allowances........................................................ 9
9 Camera function test....................................................................................... 9
10 Description of the camera sensor registers....................................................... 9
10.1 Register assignment - sensor control group ................................................ 9
10.2 Register description - sensor control group................................................. 9
10.2.1 Register address 00H – 03H (EEPROM control) ..................................... 9
10.2.2 Register Addresses 1, 2, 4 and 5: status registers 0, 1, 3 and 4............... 9
10.2.3 Register Addresses 6 and 7: Mode registers 0 and 1............................... 9
10.2.4 Register Addresses 8 and 9: DAC interface ........................................... 9
10.2.5 Register Addresses 12-14: Mode register extended functions................... 9
10.2.6 Registers 15-17: Exposure time .......................................................... 9
10.2.7 Registers 18-20: for LinLog2............................................................... 9
10.2.8 Registers 21-23: Frame time .............................................................. 9
10.2.9 Registers 24-31: ROI......................................................................... 9
10.2.10 Register 32: Line pause................................................................... 9
10.2.11 Calculation of Frame time ................................................................ 9
10.2.12 Register 33: Line jump (and pixel jump) ............................................ 9
10.2.13 Register 47: RAM-Bank selection ...................................................... 9
10.2.14 Registers 48-63: Data for 16x8 RAM-Banks........................................ 9
10.3 Instructions for control of the Sensor Module.............................................. 9
10.4 Summary of the most important operation modes and their significance......... 9
11 Register assignment and instruction set of the ADC-Module................................ 9
11.1 Instructions for control of the ADC-Module ................................................. 9
11.1.1 Register Addresses 0 – 3: EEPROM control............................................ 9
11.1.2 Register Address 4: Status information of the ADC-Module...................... 9
11.1.3 Register Address 6: Basic modes and ADC-condition .............................. 9
11.2 Instructions for control of the ADC-Module ................................................. 9
12 Cleaning the sensor...................................................................................... 9
13 Appendix A – Configuration Settings of the EEPROM Sensor Module..................... 9
14 Appendix B - The configuration EEPROM ADC Module and its functions................. 9
15 Appendix C - RS232 Interface ........................................................................ 9
15.1 Definition of the transfer protocol.............................................................. 9
15.2 Example of access to camera registers....................................................... 9
16 Appendix D – Accessing the EEPROM .............................................................. 9
16.1 Example of EEPROM access...................................................................... 9
17 Appendix E – How to handle the DAC? ............................................................ 9
18 Appendix F – Pseudo random number generator............................................... 9
19 Appendix G - CE-Test Compliance................................................................... 9

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20 Literature.................................................................................................... 9
20.1 Books ................................................................................................... 9
20.2 Files on the web server www.photonfocus.com ........................................... 9
21 Tables ........................................................................................................ 9
22 Figures ....................................................................................................... 9
23 Revisions and State of Product development .................................................... 9
23.1 Revisions............................................................................................... 9
23.2 State of Product development................................................................... 9
24 Service information ...................................................................................... 9
24.1 Contact for product enquiries and quotations.............................................. 9
24.2 Product information, documentation and software updates ........................... 9
24.3 Storage and Transport ............................................................................ 9
24.4 Preparing for use.................................................................................... 9
24.5 Mounting the lens ................................................................................... 9
25 Guarantee conditions.................................................................................... 9

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1Introduction
The CMOS mega-pixel Camera series MV-D752 from Photonfocus is aimed at demanding
applications in industrial image processing and measurement. It offers an exceptionally
high dynamic range of up to 120 dB with a resolution of 752 x 582 pixels and a full frame
rate of up to 340 frames per second (MV-D752-160).
The CMOS camera series MV-D752, based on a CMOS sensor from Photonfocus, with 4
analog outputs, thus sets new standards in industrial image processing. The camera
profits from the advantages of CMOS sensor technology over the more conventional CCD
technology in the areas of e.g. blooming resistance, adjustable characteristics, selectable
read-out window (Region Of Interest, ROI) and low energy consumption at high data
rates. The global shutter permits high-speed applications in industrial image processing.
In order to attain a higher dynamic range, the characteristics can be arbitrarily adjusted
by the user between linear and logarithmic operation. Thus the LinLogTM technology is
ideally suited to applications with high contrast.
The Photonfocus mega-pixel camera MV-D752-28 is available with LVDS (RS644) and
CameraLink digital interfaces. The part codes of the various camera versions are shown
in Table 1. Table 2 summarizes the camera properties.
To acquire images, the camera can be operated in master configuration, slave
configuration or in trigger mode. In free-running mode, the camera (in master
configuration) needs no external control signals to acquire images. The integration time
and the read-out window (ROI) are pre-programmed in the camera via the configuration
interface and can be changed by the user by means of the RS232 interface.
The slave configuration allows the user to control the camera externally with an external
trigger signal, an external exposure signal or an external clock.
In trigger mode, the camera expects an external trigger signal defining the start of the
exposure time, which is defined in the camera register.
With its mega-pixel resolution, its high data rate as well as its high dynamic range and
compact construction of only 55 mm x 55 mm x 50 mm (B x H x L), the MV-D752-28 is
the perfect solution for applications with space restrictions, such as inspection stations or
"Pick and Place" Machines, where, additionally, low energy consumption is beneficial. The
versatility of the Photonfocus mega-pixel camera MV-D752-28 allows the optimization of
the camera parameters for a given image processing application by the user. The camera
parameters are continuously stored in an EEPROM and are loaded automatically at boot-
up. The camera parameters can be set and stored in the EEPROM by using the API
function library [SOFT] or the “PFRemote.exe” software [PFREMOTE], which are delivered
with the camera and employ the RS232 protocol. Low level programming of the
module hardware independently of the API function library will not be
supported by Photonfocus.
Table 1 : Part codes and order numbers for MV-D752-28 cameras
Interface Part codes Order numbers
CameraLink 10 bit MV-D752-28-CL-10 60 20 50.001
LVDS (RS644) 10 bit MV-D752-28-LV-10 60 20 50.002

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Table 2: Technical Data for the Photonfocus MV-D752-28 CMOS camera
Technical Data for the Photonfocus MV-D752-28 CMOS camera
Number of pixels 752 x 582
Pixel size 10.6 µm x 10.6 µm
Optically active area 8.0 mm x 6.2 mm
Optical diagonal 10.12 mm Î2/3” optic
Objective mount C-mount
Characteristic Linear or LinLogTM adjustable
Full well capacity 200 ke-
Sensitivity 10 µJ/m2/LSB @ 630 nm, 8 bit
Noise < 0.5 Grey level standard deviation @ 8 bit
Fixed Pattern Noise < 3 Grey level standard deviation @ 8 bit
Dynamic range in Linear Mode > 48 dB @ 8 bit
Dynamic range in LinLogTM Mode > 120 dB
Analog amplification 1 or 4
Spectral range 400 nm – 900 nm (see Fig. 1)
Optical Fill factor 35%
Data interface LVDS and CameraLink
Data resolution 10 bit, 8 bit or 10 to 8 bit LUT
Internal Pixel clock 28.375 MHz
External clock rate CameraLink Interface 20.0 MHz to 28.4 MHz
External clock rate LVDS Interface 10.0 MHz to 28.4 MHz
Maximum frame rate 60 fps @ Tint = 10 µs
Shutter Type global shutter
Exposure time 1 µs – 0.5 s in steps of 35 ns
Configuration interface RS232 Standard, 9600 baud, 1 Start bit, 1
Stop bit, no Parity bit
Voltage supply +5V DC +/-10%
Power consumption 2 W
Dimensions 55 mm (B) x 55 mm (H) x 50 mm (L)
Weight 200g
CE Test (see Appendix G) EN 61000-6-3 : 2001
EN 61000-6-2 : 2001
Fig. 1: Quantum efficiency as function of wavelength

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2Mechanical Dimensions
The Front plate is compatible with the Microbench System of LINOS AG (www.linos.de)
[MB2002].
Inte rfa c e C a m e ra Link
46
Inte rfa c e LVDS

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3Interface pin assignments
The CMOS camera series MV-D752 is available with a CameraLink interface in the base
configuration or an LVDS (RS644) interface. The signal definitions, the bit allocations and
the signal level of the CameraLink standard are described in [CLO2000]. Detailed
information about the LVDS (RS644) standard is given in [LOM2000].
3.1 CameraLink Interface
The CameraLink Interface has a socket with signals for data transfer and control of the
camera functions as well as a socket for the voltage supply. The socket pin assignments
for data and control signals are defined in the CameraLink Standard [CLO2000]. The
socket assignment is shown in Table 3, the assignment of the data bits in the 8-bit
configuration is shown in Table 5. Table 6 contains the assignment of the 10-bit
configuration. The subminiature connector Binder Series 712 is used for current supply.
The order number for the camera socket is 09-0408-90-03 (see Table 4 und Fig. 2). A
plug (order number 99-0405-00-03) is necessary to connect the camera.
Table 3: Pin assignments for the MDR26 socket of the CameraLink Interface
PIN I/O Name Description
1 PW SHIELD Shield
2 O N_XD0 Negative LVDS Output, CameraLink DataD0
3 O N_XD1 Negative LVDS Output, CameraLink DataD1
4 O N_XD2 Negative LVDS Output, CameraLink DataD2
5 O N_XCLK Negative LVDS Output, CameraLink Clock
6 O N_XD3 Negative LVDS Output, CameraLink DataD3
7 I P_SERTOCAM Positive LVDS Input, Serial Communication to the camera
8 O N_SERTOFG Negative LVDS Output, Serial Communication from the camera
9 I N_CC1 Negative LVDS Input, External Trigger signal EXSYNC
10 I P_CC2 Positive LVDS Input, External clock for Slave mode MCLK
11 I N_CC3 Negative LVDS Input, Exposure control EXPOSURE
12 I P_CC4 Positive LVDS Input, Control signal CONTROL <not used>
13 PW SHIELD Shield
14 PW SHIELD Shield
15 O P_XD0 Positive LVDS Output, CameraLink DataD0
16 O P_XD1 Positive LVDS Output, CameraLink DataD1
17 O P_XD2 Positive LVDS Output, CameraLink DataD2
18 O P_XCLK Positive LVDS Output, CameraLink clock
19 O P_XD3 Positive LVDS Output, CameraLink DataD3
20 I N_SERTOCAM Negative LVDS Input, Serial Communication to the camera
21 O P_SERTOFG Positive LVDS Output, Serial Communication from the camera
22 I P_CC1 Positive LVDS Input, external Trigger signal EXSYNC
23 I N_CC2 Negative LVDS Input, external clock for Slave mode MCLK
24 I P_CC3 Positive LVDS Input, Exposure control EXPOSURE
25 I N_CC4 Negative LVDS Input, Control signal CONTROL <not used>
26 PW SHIELD Shield
S PW SHIELD Shield

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Table 4: Pin assignments for the socket of the voltage supply connector
PIN I/O Name Description
1 PW VDD + 5 V voltage supply
2 PW GND Ground
3 PW VDD2 Reserved
Fig. 2: Connector socket Nr. 09-0408-90-03 for the voltage supply
Table 5: Data bit assignments for the 8-bit configuration
Data bit CameraLink Port and bit
LSB A0
LSB +1 A1
LSB +2 A2
LSB +3 A3
LSB +4 A4
LSB +5 A5
LSB +6 A6
MSB A7
Table 6: Data bit assignments for the 10-bit configuration
Data bit CameraLink Port and bit
LSB A0
LSB +1 A1
LSB +2 A2
LSB +3 A3
LSB +4 A4
LSB +5 A5
LSB +6 A6
LSB +7 A7
LSB +8 B0
MSB B1
2
3 1

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3.2 LVDS Interface
To implement the LVDS (RS644) interface, the Molex 60 pole Low Force Helix (LFH60)
plug system was used. This very compact plug system possess the property that the
insertion force at the start of the insertion is very low and increases steadily as the plug
is introduced. Due to the use of two contact points for each plug contact, the safety of
the connection is substantially higher than that of other conventional systems. The
Photonfocus LVDS Interface combines data and control signals as well as current supply
on one socket. This has the advantage for the user that only one cable is needed
between camera and frame grabber. The contact pin sequence of the LFH60 system
was altered from that used by the manufacturer (Molex). Only the position of
contact 1 is identical in the two systems. In contrast to the Molex system, in which the
contacts are numbered in a meandering fashion, Photonfocus begins the count a new at
the top of each column. The Photonfocus definitions are made clear in Table 7 and Fig. 3.
Fig. 3 illustrate the pin assignments for the LVDS interface of the Photonfocus camera
series. The interface definition contains the following: 16 data signals, 8 handshake
signals for camera control by the frame grabber, an RS232 interface for camera set-up,
as well as voltage supply. The 16 data signals can be used in different ways, depending
on the camera type. The MV-D752-28LV-10 uses only the lower 10 bits (DATA0 ...
DATA9). In the 8 bit camera mode, the top 2 bits (DATA 9 und DATA 8) are set LOW
internally and thus deactivated. The 8 handshake lines are divided between 4 input
signals and 4 output signals. Input signals comprise the external trigger EXSYNC, the
external exposure control EXPOSURE, the external clock signal for the slave mode
(master clock) MCLK and an external camera control signal CONTROL. The camera output
signals FRAME_VALID, LINE_VALID and PIXEL_CLK are modeled on the AIA interface
[AIA]. FRAME_VALID high indicates an active image transfer. LINE_VALID high denotes
an active line. The digital data for the individual pixels are output on the rising edge of
PIXEL_CLK. In addition to these signals, the signal SHUTTER is defined to be high during
the integration phase of the sensor. This signal permits the synchronization of external
light sources e.g. a flash light (see section Timing Diagram).