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88 I-PentaMAX System Manual Version 3.A
Read back of Serial NVRAM System ID information: This EEPROM must be
programmed by production test/system test using the “NVRAM Windows
Application,” provided by the software department. This EEPROM will hold a
variety of information about the camera system which will allow the hardware
version of the camera to be detected by software (for the autoconfiguration of
some parameters) and customer and test information to be stored with the
hardware.
Ability to shut down the RS170 oscillator for noise critical applications:
Because the video oscillator runs at an independent frequency from the rest of
the system, it can be a source of asynchronous noise in the image data. If PI
software is running a PentaMAX as a “Version 5,” it will now shut down this
oscillator if RS170 is not selected by the user.
Video buffer blanking has been made disjoint from the resetting of the
camera: In previous versions of the camera, the video was blanked any time
the camera was reset, which occurred between every frame when the camera was
operated asynchronously (causing the video image to “blink”). Now the video is
only blanked on power up unless explicitly blanked by the host software.
Camera can now hold more than one scan pattern at a time: This allows the
implementation of video focus mode features that allow quick panning of the
video around large image areas. It also allows the CCD to be cleaned using a
different pattern than is used for scanning (which is important for continuous
clean mode, described below). Note that the current release of PI software may
not yet take advantage of these features.
Maximum possible shutter compensation time: Has been increased from 30ms
to 62ms.
Continuous clean mode has been implemented: To use this feature the ADC
(175x-0219) and preamp (175x-0224, Kodak only) EPLD programs need to be
upgraded so that the interpretation of a newly implemented CLEAN instruction
is done properly. DCN #2592 performs these program upgrades. These EPLD
programs revisions are backward compatible with Version 4 scan control and
serial comm/power hardware.
Software selection of back-panel BNC logic output: Choices are Not Scan
(default), Cleaning, Logic 0, Logic 1, Not FT Image Shift, Not Ready, Shutter.
Ability to mask the End of Frame interrupt returned by the camera: Together
with the addition of a generic Scan Control interrupt, which can be placed
anywhere during the CCD scan cycle. These two features are particularly
important to users who would like to interrupt their software at the beginning of
a CCD frame instead of the end of the cycle.
Video look-up bank selection and 2X video zoom mode implemented: These
features will allow quick change in the selection of the video look-up table and
allow smaller CCDs images (particularly the EEV 576FT) to fill the entire
RS170 monitor and run at higher frame rates to the video monitor (EEV576FT
can run nearly 40fps to the RS170 monitor when 2X zoomed). Note that the
current release of PI software may not yet take advantage of these features.