Application Note:
Interfacing non-standard cameras to Matrox Pulsar
i2S iVC185BC May 27, 1996
Camera
Interface
Overview
Camera
Interface
Details
• 5000 x 1 x 8-bit
• analog or digital video output (RS-422)
• internal sync
• 3 modes of operation (analog or digital video output): continuous line scan mode,
asynchronous line scan mode, periodic exposure control line scan mode
1. Continuous line scan mode
Video
iVC-
185BC
• 5000 x 1 x 8-bit
• Analog or digital video output (RS-422)
• DCF configured for 750 lines per virtual frame
• The line scan rate and the exposure time are determined by the frequency of the hsync
CLTout
RCLK
Matrox Pulsar
(with PLS-TTL-CABLE
or PULSAR/DIG/MOD)
(CLTout) signal; the exposure time is the period of the CLTout signal, which is set
using the thumb wheel on the rear of the camera
• Continuous video
• Camera sending RS-422 hsync (CLTout) and RS-422 pixel clock (RCLK @ 20MHz)
signals to Matrox Pulsar
• DCFs used: IV185L.DCF (analog video output)
IV185DL.DCF (digital video output)
2. Asynchronous line scan mode
Video
iVC-
185BC
• 5000 x 1 x 8-bit
• Analog or digital video output (RS-422)
• DCF configured for 750 lines per virtual frame
• The line scan rate and the exposure time are determined by the frequency of the
LTin
CLTout
RCLK
TTL external trigger
Matrox Pulsar
(with PLS-TTL-CABLE
or PULSAR/DIG/MOD)
external trigger signal; the exposure time is the time between external trigger signals
• Matrox Pulsar receiving TTL external trigger
• Matrox Pulsar sending asynchronous RS-422 EXPOSURE1 (LTin) signal to camera
to initiate line readout
• Camera sending RS-422 hsync (CLTout) and RS-422 pixel clock (RCLK @ 20MHz)
signals to Matrox Pulsar
• DCFs used: IV185AL.DCF (analog video output)
IV185DAL.DCF (digital video output)
Application Note:
Interfacing non-standard cameras to Matrox Pulsar
i2S iVC185BC May 27, 1996
Camera
Interface
Details
Cabling
Requirements
3. Periodic exposure control line scan mode
Video
iVC-
185BC
• 5000 x 1 x 8-bit
• Analog or digital video output (RS-422)
• DCF configured for 750 lines per virtual frame
• The line scan rate and the exposure time are determined by the frequency of the
LTin
CLTout
RCLK
Matrox Pulsar
(with PLS-TTL-CABLE
or PULSAR/DIG/MOD)
periodic trigger signal supplied by the Pulsar; the exposure time is the reciprocal of the
frequency of this signal
• Matrox Pulsar sending periodic RS-422 EXPOSURE1 (LTin) signal to camera to
initiate line readout
• Camera sending RS-422 hsync (CLTout) and RS-422 pixel clock (RCLK @ 20MHz)
signals to Matrox Pulsar
• DCFs used: IV185EL.DCF (analog video output)
• IV185DEL.DCF (digital video output)
1a. Continuous line scan: analog video output
• IMG-7W2-TO-1BNC cable required for video signal and PLS-TTL-CABLE required
for digital syncs and control signals in RS-422 format
• The connections between the DB-15 connector on the rear panel of the camera and a
BNC connector are as follows:
i2S iVC185BC
(DB-15 male connector) BNC connector
Pin no.Pin name
15 Video composite VIDEO OUT
7 Analog ground GROUND
• The video input BNC of the IMG-7W2-TO-1BNC cable should be connected to the
above BNC connector
• The connections between the DB-15 connector on the rear panel of the camera and the
DB-37 connector of the PLS-TTL-CABLE are as follows:
i2S iVC185BC PLS-TTL-CABLE
(DB-15 male connector) (DB-37 female connector)
Pin name Pin no. Pin name Pin no.
GROUND 2 GROUND 3
LT+ 3 ← EXPOSURE1+ 21
RCLK+ 4 → CLKIN+ 4
CLT+ 5 → HSYNC+ 16
GROUND 9 GROUND 33
LT− 10 ← EXPOSURE1− 2
RCLK− 11 → CLKIN− 22
CLT− 12 → HSYNC− 34
PUL-CID-019 2
Application Note:
Interfacing non-standard cameras to Matrox Pulsar
i2S iVC185BC May 27, 1996
Cabling
Requirements
• NOTE: although connected, the EXPOSURE1 signal is not used in this mode
• The connections between the DB-15 connector on the rear panel of the camera and the
power supply are as follows:
i2S iVC185BC
(DB-15 male connector) POWER SUPPLY
Pin no. Pin name
1 DCin +9V < Dcin < +18V
9 GROUND GROUND
• NOTE: the following pins of the DB-15 connector on the rear panel of the camera must
be shorted together: 8 (Analog ground), 7 (Analog ground) and 2 (Ground)
1b. Continuous line scan: digital video output
• PULSAR/DIG/MOD required for digital data, syncs and control signals in RS-422
format
• The connections between the DB-25 connector on the rear panel of the camera and the
68-pin connector of the PULSAR/DIG/MOD are as follows:
i2S iVC185BC PULSAR/DIG/MOD
(DB-25 male connector) (68-pin connector)
Pin name Pin no. Pin name Pin no.
LT+ 2 ← EXPOSURE1+ 30
RCLK+ 3 → CLKIN+ 29
CLT+ 4 → HSYNC+ 26
D7+ 5 → DATA7+ 10
D6+ 6 → DATA6+ 11
D5+ 7 → DATA5+ 13
D4+ 8 → DATA4+ 14
D3+ 9 → DATA3+ 15
D2+ 10 → DATA2+ 16
D1+ 11 → DATA1+ 19
D0+ 12 → DATA0+ 20
GROUND 13 GROUND 12
GROUND 14 GROUND 46
LT− 15 ← EXPOSURE1− 64
RCLK− 16 → CLKIN− 63
CLT− 17 → HSYNC− 60
D7− 18 → DATA7− 44
D6− 19 → DATA6− 45
D5− 20 → DATA5− 47
D4− 21 → DATA4− 48
D3− 22 → DATA3− 49
D2− 23 → DATA2− 50
D1− 24 → DATA1− 53
D0− 25 → DATA0− 54
• NOTE: although connected, the EXPOSURE1 signal is not used in this mode.
PUL-CID-019 3