COHU 7700-2 SERIES 1004 X 1004, Technical Reference Manual

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12
6X-1029C
7700-2
TECHNICAL REFERENCE
Table 9. Serial Control Modes
SERIAL CONTROL
LVDS via Camera Link: 9600 baud rate, 8 data bits, 1 start bit, 1 stop bit, no parity,
and no handshaking
SERIAL INPUT COMMANDS (see table 12, Protocol, for a complete listing)
SETUP
COMMANDS
Go to Default
Set Mode
Operational Mode: Continuous / Snapshot
Set Exposure Mode, Implicit Lines, Explicit Lines, Frames, External
Set Offset Level
Set Gain Level
Set Partial Readout (starting and stopping lines in increments of 4)
OPERATION
COMMANDS
Capture Video Frame
(Snapshot and Integration Operations)
Snapshot and integration operations are basically the same but with different time
intervals
Snapshot allows image capture with high-speed shutter
Integration allows image capture with low-speed shutter
Each can be initiated externally by either the TRIG input signal or by
command through the serial interface
TRIG Iniated Capture. Two modes are supported when using TRIG:
1. Fixed Shutter
2. Pulse Width Shutter
With Fixed Shutter the camera will be pre-set with the shutter value and capture
will be initiated on the leading edge of TRIG
With Pulse Width Shutter, TRIG will be received as a pulse that starts capture on
the leading edge and ends capture on the trailing edge — supporting intervals
from 40 µs to infinity
Serial Command Initiated Capture: Commands will be suppported that can
initiate a snapshot or integration capture using fixed shutter values