Maxtor IMC800 Application Note
Application Note:
Interfacing non-standard cameras to Matrox Pulsar
i2S iMC800 February 15, 1996
Camera
Interface
Overview
Camera
Interface
Details
• 752 x 560 x 8-bit or 752 x 280 x 8-bit (CCIR timings)
• Analog video output
• Interlaced or non-interlaced
• Internal TTL hsync and vsync signals supplied externally
• Internal or external exposure control
• Accepts asynchronous TTL external trigger
• 3 modes of operation: pseudo-continuous mode, trigger mode and control mode
1. Pseudo-continuous mode (Electronic Shutter mode)
Video
i2S
iMC800
• 752 x 280 x 8-bit
• Analog video output
• Non-interlaced
• Internal exposure control: one of nine exposure times can be selected via the coding switch
HDout
VDout
Matrox Pulsar
(with PLS-TTL-CABLE)
on the Monoshot Driver; positions 0 through 8 correspond to exposure times of 10ms
through 50µs respectively. In this mode the exposure time determines the frame rate
• Continuous video
• Camera sending TTL hsync (HDout) and vsync (VDout) signals to Matrox Pulsar
• DCF used: IMC800N.DCF
2. Trigger mode (Monoshot mode)
Video
i2S
iMC800
• 752 x 280 x 8-bit
• Analog video output
• Non-interlaced
• Internal exposure control: one of nine exposure times can be selected via the coding switch
HDout
VDout
FI
TTL external trigger
Matrox Pulsar
(with PLS-TTL-CABLE)
on the Monoshot Driver; positions 0 through 8 correspond to exposure times of 10ms
through 50µs respectively
• Camera sending TTL hsync (HDout) and vsync (VDout) signals to Matrox Pulsar
• Matrox Pulsar receiving TTL external trigger
• Matrox Pulsar sending TTL exposure (FI) signal to camera; the exposure signal only
initiates exposure
• DCF used: IMC800AN.DCF
Application Note:
Interfacing non-standard cameras to Matrox Pulsar
i2S iMC800 February 15, 1996
3. Control mode (Long Exposure mode)
Video
i2S
iMC800
• 752 x 560 x 8-bit
• Analog video output
• Interlaced
• External exposure control: the coding switch on the Monoshot Driver must be set to 9
• Camera sending TTL hsync (HDout) and vsync (VDout) signals to Matrox Pulsar
• Matrox Pulsar receiving TTL external trigger
• Matrox Pulsar sending TTL exposure (FI) signal to camera; the exposure signal both
HDout
VDout
FI
TTL external trigger
initiates exposure and controls exposure time
• DCF used: IMC800AE.DCF
Matrox Pulsar
(with PLS-TTL-CABLE)
Cabling
Requirements
IMPORTANT : the capacitors C274 and C275 (1nF) must be included on the solder side
of the Matrox Pulsar baseboard to ensure proper functionality between the
Pulsar and the i2S iMC800 camera. Holding the front end (retainer brace
end) of the board in your left hand so that the long axis of the board is
horizontal, these capacitors are located approximately 3.5 cm both from
the left and from the top of the board. If your board does not include these
capacitors, please contact Matrox for an upgrade.
1. Pseudo-Continuous mode (Electronic Shutter mode)
• IMG-7W2-TO-1BNC and PLS-TTL-CABLE required
• Video input BNC of IMG-7W2-TO-1BNC cable should be connected to VIDEO OUT
BNC connector of camera
• The connections between the 25-pin sub/D connector of the camera’s Monoshot Driver
and the DB-37 connector of the PLS-TTL-CABLE are as follows:
i2S iMC80 0 Monoshot Driver PLS- TTL-CABLE
(25-pin sub/D connector) (DB-37 connector)
Pin name Pin no. Pin name Pin no.
VD out 3 → TTL_VSYNC 11
HD out 11 → TTL_HSYNC 26
MS* 6 ← CTRL1 36
DGD 1 GROUND 6&7
PUL-CID-008 2
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