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AVIIVA SM2 USB
Line-Scan Monochrome OCT Camera
User Manual
AVIIVA SM2 USB3
Line-Scan Camera for OCT
Summary
1
CAMERA OVERVIEW ................................................................................. 3
1.1
1.2
1.3
1.4
1.5
2
CAMERA PERFORMANCES............................................................................ 5
2.1
2.2
2.3
2.3.1
2.3.2
3
3.2.1
3.2.2
3.2.3
Mechanical Drawings .................................................................................................................................. 7
Input/output Connectors and LED ............................................................................................................. 8
Power Connector ..................................................................................................................................................................... 9
Status LED Behaviour .............................................................................................................................................................. 9
USB3 Data Output ................................................................................................................................................................... 9
CE Conformity ............................................................................................................................................ 10
FCC Conformity .......................................................................................................................................... 10
RoHs Conformity ........................................................................................................................................ 10
GETTING STARTED ................................................................................. 12
5.1
5.2
6
Quantum Efficiency ................................................................................................................................................................. 6
Spectral Response................................................................................................................................................................... 6
STANDARD CONFORMITY .......................................................................... 10
4.1
4.2
4.3
5
Camera Characterization ............................................................................................................................ 5
Image Sensor ............................................................................................................................................... 5
Response & QE curves ................................................................................................................................ 6
CAMERA HARDWARE INTERFACE ..................................................................... 7
3.1
3.2
4
Features ....................................................................................................................................................... 3
Key Specifications ....................................................................................................................................... 3
Description .................................................................................................................................................. 4
Typical Application ...................................................................................................................................... 4
APPENDIX B: Models ................................................................................................................................... 4
Out of the box ............................................................................................................................................ 12
Setting up in the system ........................................................................................................................... 12
CAMERA SOFTWARE INTERFACE .................................................................... 13
6.1
6.2
Control and Interface ................................................................................................................................ 13
Command and Parameters Registers detail ............................................................................................ 14
6.2.1 Glossary ................................................................................................................................................................................. 14
6.2.2 Command and Status Registers ........................................................................................................................................... 14
6.2.3 User Parameters Registers .................................................................................................................................................... 16
6.2.3.1
Triggering Modes ................................................................................................................................................... 18
6.2.3.2
Line Data format ................................................................................................................................................... 20
6.2.4 Factory Parameters Registers ............................................................................................................................................... 21
7
APPENDIX A: Test Patterns ......................................................................... 22
7.1
7.2
Test Pattern 1: Fixed Horizontal Ramps ................................................................................................... 22
Test Pattern 2: Vertical wave .................................................................................................................... 22
8
APPENDIX C: Revision History ...................................................................... 23
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1
1.1
CAMERA OVERVIEW
Features









1.2
CCD Sensor :
o 1024 Pixels, 14 x 14µm
o 1024 Pixels, 13 x 13µm
o 2048 Pixels, 10 x 10µm
Interface : USB3
Line Rate :
o 27 kHz in 2k Pixels
o 52.6 kHz in 1k Pixels
Bit Depth : 8 or 12bits
2x Test Patterns
Gain (up to 30dB) and Offset adjustable per Sensor Tap.
Full Synchronization modes with external TTL Triggers connector (Line and Frame).
Low Power Consumption : < 6W
No-Lens Thin Front Face Compliant with Spectrometer mounting.
Key Specifications
Note : All values in LSB is given in 12 bits format
Characteristics
Typical Value
Unit
Sensor Characteristics at Maximum Pixel Rate
Resolution
1024
1024
2048
pixel size (square)
14x14
13x13
10x10
µm
52.6
52.6
27
kHz
Max Line Rate (in 8 or 12bits)
Pixels
Radiometric Performance at Maximum Pixel Rate and minimum camera gain
Bit depth
Response (broadband)
Full Well Capacity
104
90
Bits
58
LSB/(nJ/cm²)
160
Ke-
0.3 (5 à 95%)
%
PRNU HF Max
0.4
%
Dynamic range
68
dB
Response non linearity
3
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Functionality (Programmable via Control Interface)
Analog Gain
Up to 31.59 by step of 0.0351
dB
Offset
0 to 200
LSB
Timed (Free run) and triggered (Ext Trig, Ext ITC) modes + Frame Trigger
Trigger Mode
Mechanical and Electrical Interface
Size (w x h x l)
56 x 60 x 27
mm
Weight
140
g
Lens Mount
No Mount available
Sensor alignment ( see chapter 4 )
µm
Sensor flatness
35
µm
Power supply
Single 12 DC to 24 DC
V
Power dissipation
<6
W
General Features
Operating temperature
°C
0 to 55 (front face) or 70 (Internal)
Storage temperature
-40 to 70
°C
Regulatory
CE, FCC and RoHS compliant
1.3
Description
e2v linear sensors have been recognised for premium performance in OCT ophthalmologic applications for many years.
Thanks to the USB3 interface, these sensors are now available in a versatile and cost efficient configuration allowing an
easy integration into any ophthalmology system. The USB3 interface allows easy connection to recent laptops without
compromising any camera features or performance, and eliminates the need for expensive frame grabbers and cable
connections. The SM2 USB3 camera features full GPIO handling and extremely low power consumption”.
1.4 Typical Application

OCT / Spectrometry
1.5 APPENDIX B: Models
Part Number
EV71YSM2UB2010-BA9
EV71YSM2UB1013-BA9
EV71YSM2UB1014-BA9
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Details
2048 Pixels, Pixel size : 10x10µm, max speed : 27kHz
1024 Pixels, Pixel size : 13x13µm, Max Speed : 53kHz
1024 Pixels, Pixel size : 14x14µm, Max Speed : 53kHz
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2 CAMERA PERFORMANCES
2.1
Camera Characterization
Unit
Gain 0dB
Min
Typ.
Max
Dark Noise RMS
LSB
-
1.5
3
Dynamic Range
-
-
2730:1
-
Readout Noise
e-
-
51
-
SNR
dB
-
51
-
Non Linearity
%
-
0.3
2
FPN rms
LSB
-
0.6
4
FPN pk-pk
LSB
-
5
14
PRNU hf (3/4 Sat)
%
-
0.05
0.5
PRNU pk-pk (3/4 Sat)
%
-
0.3
3
Test conditions :
 Figures in LSB are for a 12bits format.
 Measured at exposure time = 50µs and line period = 50µs in Ext Trig Mode (Max Exposure Time)
 Maximum data rate
 Stabilized temperature 30/40/55 °C (Room/Front Face/Internal)
 SNR Calculated at 75% Vsat with minimum Gain.
2.2
5
Image Sensor
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2.3
Response & QE curves
2.3.1 Quantum Efficiency
2.3.2 Spectral Response
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3 CAMERA HARDWARE INTERFACE
3.1
Mechanical Drawings
First
Pixel
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Sensor alignment
Z = -5 mm
X = 20.83 mm for 1k14µm
X = 21.34 mm for 1k13µm
X = 17.76 mm for 2k10µm
Y = 30mm
Flatness
Rotation (X,Y plan)
Tilt (versus lens mounting plane)
3.2
±30µm
±50 µm
±50 µm
35 µm
±0,2°
50µm
Input/output Connectors and LED
Multi-Colored
LED for Status
and diagnostic
USB3
Data and Control
Connector
Power and Trigger
Connector
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3.2.1 Power Connector
Camera connector type: Hirose HR10A-7R-6PB (male)
Cable connector type: Hirose HR10A-7P-6S (female)
Signal
Pin
Signal
Pin
PWR
Frame Trigger
PWR
1
2
3
GND
Line Trigger
GND
4
5
6
Power supply from 12 to 24v
Power 6W max with an typical inrush current peak of 1A during
power up
Camera side description
Typical
values
AVIIVA SM2 USB 1014
AVIIVA SM2 USB 1013
AVIIVA SM2 USB 2010
Current
consumption
12V
0.31A
0.31A
0.38A
Power up Time : Around 20s (Green Light)
24V
0.16A
0.16A
0.20A
3.2.2 Status LED Behaviour
After less than 2 seconds of power establishment, the LED first lights up in ORANGE. Then after a Maximum of 20 seconds,
the LED must turn in a following colour:
Colour and state
Green and continuous
Green and blinking slowly
Red and continuous
Orange and continuous
Meaning
OK
Waiting for Ext Trig
Camera out of order : Internal firmware error
Initialization phase
3.2.3 USB3 Data Output
The USB3 connector on the rear face of the camera is a micro B type.
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4
STANDARD CONFORMITY
The AVIIVA USB3 cameras have been tested using the following equipment:
 A shielded power supply cable
 A USB3 data transfer cable ref. 14B26-SZLB-500-OLC (3M)
e2v recommends using the same configuration to ensure the compliance with the following standards.
4.1
CE Conformity
The AVIIVA USB cameras comply with the requirements of the EMC (European) directive
2004/108/CE (EN50081-2, EN 61000-6-2).
4.2
FCC Conformity
The AVIIVA USB cameras further comply with Part 15 of the FCC rules, which states that: Operation is subject to
the following two conditions:
 This device may not cause harmful interference, and
 This device must accept any interference received, including interference that may cause undesired operation
This equipment has been tested and found to comply with the limits for Class A digital device, pursuant to part 15 of
the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
Instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user will be required to correct the interference
at his own expense.
Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance
could void the user's authority to operate this equipment.
4.3
RoHs Conformity
AVIIVA USB cameras comply with the requirements of the RoHS directive 2002/95/EC.
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5 GETTING STARTED
5.1
Out of the box
The contains of the Camera box is the following:
-
One Camera AVIIVA USB3
Power/Trigger connector (Hirose HR10A-7P-6S -female)
There is no CDROM delivered with the Camera : Both User Manual (this document) and CommCam control
software have to be downloaded from the web site : This ensure you to have an up-to-date version.This will
be available at the following link :
http://ftp.grenoble.e2v.com/IMAGING/Camera_Support/CommCam/CommCam_USB/
5.2
Setting up in the system
Web
Direction
First
Pixel
Readout
Direction
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6
6.1
CAMERA SOFTWARE INTERFACE
Control and Interface
The AVIIVA SM2 USB OCT is delivered with a software package: CommCam USB (Based on a Cypress SDk Package of the
Chipset in the Camera) which includes:
- A Generic USB3 Driver supported by Windows Seven 32/64bits.
- SDK (API) for the Customer development
- Demo Application for controlling the Camera, grabbing and displaying images with some tools (histogram,
Line Profile …)
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6.2
Command and Parameters Registers detail
6.2.1 Glossary
All the registers described hereafter are a virtual representation of the Camera Registers through the USB layer: This is not
a direct access to the registers of the camera.
Some
0x01: Hexadecimal representation of the decimal Number 1
@208: Means “Register at the address 0x208” (Hexadecimal address format on 4 Bytes)
6.2.2 Command and Status Registers
Last Byte address for the command
Access Type (Read Only/Read-Write)
Default Value
Register Size (Bytes)
Address of the Command Register (beginning)
address
register
description
size
default
access
200
Reserved
-
4
NA
NA
Reserved
-
4
NA
NA
Status of operation :
Bit 0 : Line trigger input state,
Bit 1 : Frame trigger input state,
Bit 5 : FPGA data overflow,
Bit 8 : Problem on acquisition
4
NA
RO
Current user parameters set used for Memory Bank
4
1
RO
StartAcq
Start data acquisition
4
1
RW
StopAcq
Stops data acquisition
4
1
RW
Save the configuration setting in user bank (0x01, 0x02x,
0x03)
4
1
RW
Restore the configuration setting from user bank (0x01,
0x02x, 0x03) or default user bank (0x00).
4
1
RW
203
204
207
208
Status
20B
20C
CurrentUser
20F
220
223
224
227
228
SaveUserSetting
22B
22C
RestoreUserSetting
22F
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 Camera status : @208 : 4 Bytes : Read-Only
Only 4 bits are available for the User:
 Bit 0 : State of the Line Trigger Input
 Bit 1 : State of the Frame Trigger Input
 Bit 2, 3, 4 : Reserved
 Bit 5: FPGA Data Overflow. Can Occur when the PC side (Driver/Chipset) is not fast enough to readout all the Data
sent by the Camera.
 Bits 6, 7 : Reserved
 Bits 8: Problem on Acquisition. Can Occur at the start up of the Acquisition (buffer setup) or during the Acquisition.
 Bits 9, … : Reserved
 Current User : @20C : 4 Bytes : Read-Only
Indicates the Bank number which will be used and loaded at the next Power Up : It is the next bank used (Loaded or
saved)
 Start Acquisition : @220 : 4 Bytes : (Read)-Write
Start Acquisition command. Register to be written to start the Grab.
 Stop Acquisition : @224 : 4 Bytes : (Read)-Write
Stop Acquisition Command. Register to be written to Stop the Grab.
 Save User Settings : @228 : 4 Bytes : (Read)-Write
Must be set with the bank number of the Configuration Bank to be saved:
 0x01 : User Bank 1
 0x02 : User Bank 2
 0x03 : User Bank 3
 Restore User Settings : @22C : 4 Bytes : (Read)-Write
Must be set with the bank number of the Configuration Bank to be restored:
 0x00 : User Bank 0 (Factory Settings)
 0x01 : User Bank 1
 0x02 : User Bank 2
 0x03 : User Bank 3
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6.2.3 User Parameters Registers
address
register
1000
UserName
description
min
max
default
size
access
User Name (0 terminated)
(common for all user banks)
NA
NA
[Other]
16
RW
100F
1020
AnalogGainA
Analog Gain (by step of 0.0351dB)
channel A (Sensor Tap1)
0
900
0
4
RW
AnalogGainB
Analog Gain (by step of 0.0351dB)
channel B (Sensor Tap2)
0
900
0
4
RW
AnalogOffsetA
Analog Offset (by step of 1LSB)
channel A (Sensor Tap1)
0
200
0
4
RW
AnalogOffsetB
Analog Offset (by step of 1LSB)
channel B (Sensor Tap2)
0
200
0
4
RW
ExposureTime
Exposure Time (µs)
1
65535
50
4
RW
Period Line (µs)
- Min value for 1k sensor : 19
- Min value for 2k sensor : 37
19
65535
100
4
RW
Pixel format :
"0" : 8 bits
"1" : 12 bits
0
1
1
4
RW
Trigger mode:
"000" : free run
"001" : trigger timed
"010" : trigger controlled
"011" : trigger Max Exposure
0
3
0
4
RW
Test pattern activation:
"000" : Sensor data
"001" : fix pattern (pixel counter /
horizontal cnt)
"010" : moving pattern (diagonal counter)
0
2
0
4
RW
Frame trigger Mode
"0" : disable
"1" : enable
0
1
0
4
RW
1023
1024
1027
1028
102B
102C
102F
1030
1033
1034
PeriodLine
1037
1038
PixelFormat
1
103B
103C
Mode
103F
1040
TestPattern
1043
1044
FrameTriggerMode
1047
1
Can’t be modified when acquisition is running
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address
register
1048
Metadata
104B
description
min
max
default
size
access
Metadata
"0" : disable
"1" : enable
0
1
0
4
RW
Number of lines per frame
1
65535
1
4
RW
Number of missed line trigger since last
read
0
65535
NA
4
RW
104C
NbLinePerFrame
104F
1050
MissedTrigger
1053
 User Name : @1000 : 16 Bytes : Read-Write
Character String terminated by “0” to receive the User-defined name of the Camera.
 AnalogGainA : @1020 : 4 Bytes : Read-Write
Analog Gain for the Tap1 of the Sensor (odd pixels)
Value from 0 to 900 (0,0351dB per step)
 AnalogGainB : @1024 : 4 Bytes : Read-Write
Analog Gain for the Tap2 of the Sensor (even pixels)
Value from 0 to 900 (0,0351dB per step)
 AnalogOffsetA : @1028 : 4 Bytes : Read-Write
Analog Offset for the Tap1 of the Sensor (odd pixels)
Value from 0 to 200 (1 LSB 12bits per step)
 AnalogGainB : @102C : 4 Bytes : Read-Write
Analog Offset for the Tap2 of the Sensor (even pixels)
Value from 0 to 200 (1 LSB 12bits per step)
 PixelFormat : @1038 : 4 Bytes : Read-Write
Set the Pixel Output format for the Data. It can’t be modified when the Acquisition is active.
 0x00 : 8 bits
 0x01 : 12 bits
 TestPattern : @1040 : 4 Bytes : Read-Write
Set the Test patterns for the output of the Camera instead of the Sensor data. A detailed view of this pattern is available
in Appendix of this document.
 0x00 : Sensor Data
 0x01 : Fixed Pattern : Pixel Counter / Horizontal count (replace any data at the end of FPGA)
 0x02 : Moving Pattern : Diagonal Counter (replace any data at the end of FPGA)
 MetaData : @1048 : 4 Bytes : Read-Write
Enable the Liner Counter to be sent at the end of each Line. This line counter increment at each line sent and is coded on
2 Bytes.
 0x00 : Disable
 0x01 : Enable
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6.2.3.1
Triggering Modes
All the parameters relative to the Trigger and acquisition have been grouped below. The detail timing diagrams for each
trigger mode is available hereafter.
 ExposureTime : @1030 : 4 Bytes : Read-Write
Exposure Time internally counted: Only taken in account for the following Trigger modes : Free Run and Trigger Timed.
Value from 1 to 65535 (in µs)
 PeriodLine : @1034 : 4 Bytes : Read-Write
Line Period to be set in the Camera for the Free Run Trigger mode only.
Value from min to 65535 (in µs)
Minimum value that can be set is:
 1024 pixels sensor : 19µs
 2048 pixels sensor : 37µs
 TriggerMode : @103C : 4 Bytes : Read-Write
Set the Exposure Trigger Mode for the Camera. The following modes are available :
 0x00 : Free Run. Internal Line Trigger (PeriodLine) and Internal Exposure count (ExposureTime)
 0x01 : Trigger Timed. External Line Trigger and Internal Exposure count (ExposureTime)
 0x02 : Trigger Controlled. External Line Trigger. Low level of this Trigger is used to count the Exposure Time.
 0x03 : Trigger Max Exposure. External Line Trigger. Exposure time is the maximum Time available between two
trigger pulses.
4 different modes are provided using the line trigger and the frame trigger. The line trigger is used to control the exposure
phase while the frame trigger resets the line counter value (which can be provided at the end of the line as metadata).
In triggered modes a line is readout after a line trigger. After sending the number of lines set by in the corresponding register,
the camera stops sending data until the next rising edge of the frame trigger.
Free run mode
This is a periodic mode where the exposure time is set by program in the range 1µs to 65000µs.
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Triggered mode with exposure time set
The rising edge of the line trigger starts the exposure and the exposure time is set by program in the range 1µs to 65000µs. If
a new rising edge of the line trigger occurs before the end of integration it is not used and considered as lost.
Triggered mode with exposure time defined by the trigger
The falling edge of the line trigger starts the exposure and the exposure time is defined by the low level of the trigger. If a new
rising edge of the line trigger occurs before the end of the previous readout it is not used and considered as lost.
Triggered mode with maximum exposure time
The rising edge of the line trigger starts the exposure and the exposure time is set by the time between two successive rising
edges of the line trigger. If a new rising edge of the line trigger occurs before the end of the previous readout it is not used
and considered as lost.
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 FrameTriggerMode : @1044 : 4 Bytes : Read-Write
Enable the use of the Frame Trigger on the dedicated Input..
 0x00 : Disable
 0x01 : Enable
The rising edge of the frame trigger resets the line counter. The data readout depends on the exposure mode selected (with
or without Line Trigger signal). A new frame trigger in acknowledged provided the programmed line number has been
readout, otherwise the frame trigger is ignored.
Ignored
Frame
Trigger
Frame
Trigger
Line
Trigger
DATA
 NbLinePerFrame : @104C : 4 Bytes : Read-Write
Number of lines for one Frame.
Value from 1 to 65535
 MissedTrigger : @1050 : 4 Bytes : Read-Write
Counter for the Missed Line Triggers since the last read : The Counter is then reset when read.
Value from 1 to 65535
6.2.3.2 Line Data format
A line count data can be added at the end of the line. This feature is selectable by the software. The line count is
incremented at each line and is reset upon the rising edge of the frame trigger signal.
The format is as following:
Pixels 0 to 511 (12bits)
1024 bytes
Pixels 512 to 1023 (12bits)
1024 bytes
Line count (2 bytes) +………
1024 bytes
Header
Preamble
0xFFFF
0x0000
0xAAAA
0x5555
Protocol
Version
0x0001
Payload Length
0x0001
Payload
Line
Counter
0x####
Preamble (8 bytes): A metadata starts with an 8-bytes preamble.
Protocol Version (2 bytes): version of the metadata packet.
Payload Length (2 bytes): length of the payload in word (16-bit).
Line Counter (2 bytes): number of lines since the start of acquisition. 1 to N.
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6.2.4 Factory Parameters Registers
address
register
2000
description
min
max
size
access
DeviceId
Device identifier (Serial Number)
(0 terminated
GenICam = « Device ID »
NA
NA
16
RO
BoardId
Board identifier
(0 terminated)
GenICam = « Electronic Board ID »
NA
NA
32
RO
Board status
(0 terminated)
GenICam = « Electronic Board Test Status »
NA
NA
32
RO
Manufacturer Informations
(0 terminated)
GenICam = « Device Manufacturer Info »
NA
NA
32
RO
Model name
(0 terminated)
GenICam = « Model Name »
NA
NA
32
RO
Device version
(0 terminated)
GenICam = « Device Version »
NA
NA
32
RO
Device firmware version
(0 terminated)
GenICam = « Device Firmware Version »
NA
NA
32
RO
0
2
4
RO
200F
2010
202F
2030
BoardStatus
204F
2050
ManufacturerInfo
206F
2070
ModelName
208F
20B0
DeviceVersion
20CF
20D0
FirmwareVersion
20EF
2110
SensorFormat
2113
Pixel number of the sensor:
"0" : Not used
"1" : 1K
"2" : 2K
 DeviceId : @2000 : 16 Bytes : Read-Only
Indicates the Serial number of the Camera. String Terminated by “0”.
 BoardId : @2010 : 32 Bytes : Read-Only
Indicates the Identifier of the PCB Board. String Terminated by “0”.
 BoardStatus : @2030 : 32 Bytes : Read-Only
Indicates the status of the PcB Board Test. String Terminated by “0”.
 ManufacturerInfo : @2050 : 32 Bytes : Read-Only
Part Number of the Camera. String Terminated by “0”.
 ModelName : @2070 : 32 Bytes : Read-Only
Model Name of the Camera. String Terminated by “0”.
 DeviceVersion : @20B0 : 32 Bytes : Read-Only
Device Version. String Terminated by “0”.
 FirmewareVersion : @20D0 : 32 Bytes : Read-Only
Firmware Version. String Terminated by “0”.
 SensorFormat : @2110 : 4 Bytes : Read-Only
Type of sensor embedded:
 0x00 : Not Used
 0x01 : 1k Pixels sensor (1k 14µm or 1k 13µm)
 0x02 : 2k Pixels sensor (2k 10µm)
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AVIIVA SM2 OCT USB3
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7.1
APPENDIX A: Test Patterns
Test Pattern 1: Fixed Horizontal Ramps
The test pattern 1 is a stationary pattern where every line has the same pattern. The data starts from 0 up to a value
depending on the number of pixels and the pixel width.
In 1K pixels 8 bits the data is incremented every 16 pixels and the level reaches 63.
In 1K pixels 12 bits the data is incremented every pixel and the level reaches 1023.
In 2K pixels 8 bits the data is incremented every 16 pixels and the level reaches 127.
In 2K pixels 12 bits the data is incremented every pixel and the level reaches 2047.
7.2
Test Pattern 2: Vertical wave
The Test pattern 2 is a vertical moving wave: each new line will increment of 1 gray level in regards with the previous one.
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In 8 bits the data is incremented every 16 pixels and the level reaches 255 before switching down to 0
In 12 bits the data is incremented every pixel and the level reaches 4095 before switching down to 0
UM AVIIVA SM2 USB3– REVC – 02/14
e2v semiconductors SAS 2014
AVIIVA SM2 OCT USB3
8
APPENDIX C: Revision History
Manual
Revision
Rev A
Rev B
Rev C
Comments / Details
Firmware version
USB3 application
Version
First release
1.0.11
1.0.5
Add 1K 13x13µm
1.0.17
1.0.6
Documentation Template
1.0.18
1.0.6
Contact us online at:
e2v.com/imaging
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UM AVIIVA SM2 USB3– REVC – 02/14
e2v semiconductors SAS 2014