Hi hezigang
for camera parallel interface connection one can look at
Sabre schematic SPF-27392 p.8, OV5642
SABRE for Smart Devices Reference Design|Freescale
and sect.4.11.10.1 IPU Sensor Interface Signal Mapping
i.MX6DQ Datasheet (rev.4, 7/2015)
http://cache.freescale.com/files/32bit/doc/data_sheet/IMX6DQCEC.pdf
Best regards
igor
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