VC20XX_HW.pdf – Hardware Documentation VC20XX Smart Cameras
9
The location of the SDRAM buffers for graphics display, overlay display and video capture can be
selected independently.
Identical SDRAM buffers for graphics display and video capture may be chosen to produce live video
display.
Board
C6CPU
processor
TMS320C6211 150MHz
SDRAM
16 Mbytes (400 MB/sec)
Flash-EPROM
2 Mbytes (16bit wide)
Multi-Media Card Adaptor
8-256 MBytes
Clock
Real time clock, battery backed-up
DMA
16 independent DMA channels (EDMA) 1 very high speed
DMA (QDMA)
special features
on-board temperature sensor
3.3 DAC Board
The "C6DAC" Board
The "C6DAC" board is practically the periphery for the CPU board. Here, the digital video signal from
the sensor board is the input using an input lookup-table and buffered with FIFO memory.
The board is also responsible for the SVGA graphics output. Graphics (8 bits per pixel) and overlay
data (8 bits per pixel) are stored in the on-board SGRAM. 2 independent lookup-tables for graphics
and overlay data together with a 3x8 bits D/A converter produce the RGB analog video for the SVGA
output.
The 8 bit pixel-mask register allows for individual selection of overlay planes.
Overlay data have priority over graphics data. Graphics pixels are displayed only if all unmasked
overlay bits for that pixel are zero.
Functions of the board:
•
video capture with input LUT, FIFO buffer
•
graphics and overlay display with 16 Mbytes refresh memory,
•
2 independent LUTs for graphics and overlay, 8bit overlay mask register
•
3x8bit video D/A (SVGA output)
•
UART and driver for RS232 (Ethernet versions : Ethernet PHY)
•
UART receiver for VC Keypad (9600 baud)
•
Trigger In/Out signals
•
PLC communication interface
•
Status & Control Register
•
Interrupt controller for CPU
•
DMA
Controller
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1996-2005 Vision Components GmbH Ettlingen, Germany
