General Description and Architecture
NEO-PCE-CLQ General Description
Version G.5
BitFlow, Inc.
NEO-1-7
The following paragraphs are a short description of each block.
The Camera Link Interface block implements the CL base configuration This block has
the Channel Link chip, the Camera Control drivers and the serial communication tran-
ceivers. Note that each VFG has its own UART so that serial communications to both
cameras can happen simultaneously.
The MUX block packs and assembles the data from the Camera Link block before it is
pushed into the FIFO. This block re-arranges on-the-fly the data from the camera’s
taps so that the data is written in raster scan format in the host memory.
The FIFO block decouples the camera from the DMA engine. It is implemented with
dual ported memories.
The Camera Control block handles both camera synchronization as well as external I/
O. The block contains the CTABs which are uses to synchronize acquisition with the
camera, determine which pixels/lines get acquired and which do not, generate con-
trol signals to the camera and to external devices. This block also handles start/stop-
ping acquisition based on triggers and encoders.
The PCI interface block handles host reads/writes to/from the board. These reads/
writes are used to program the board, and to control its modes. This block is also
responsible for DMAing image data to the host memory (or other devices). The DMA
engine uses chaining scatter-gather DMA, which can DMA a virtually unlimited
amount of data to memory without using any CPU cycles.
There is an on-board UART, as required by the CL specification.
The IO connector block has transmitters/receivers to communicate with external
industrial equipment (triggers, encoders, light strobes etc.).
Содержание NEO-PCE-CLB
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