ALLIED Vision Technologies Stingray F-504 - Manual (Page 147)

Note

• Switch off camera and switch on again:

 defect pixel data in dual port RAM will get lost
• Start-up camera / initialize camera:

 non-volatile stored defect pixel data are loaded
automatically from EEPROM to dual port RAM.
Description of the data path
STINGRAY Technical Manual V4.4.4
145
Send defect pixel data to the host
1. Set EnaMemRD flag to 1.
Defect pixel data is transferred from dual port RAM to host.
2. Read DPDataSize.
This is the current defect pixel count from the camera.
Receive defect pixel data from the host
1. Set EnaMemWR flag to 1.
Defect pixel data is transferred from host to dual port RAM.
DPC data: storing mechanism
Figure 67: DPC data: storing mechanism
FPGA
Dual
port
RAM
µC
Build
Non-
volatile
memory
Load
Host
MemRead
MemWrite
Save