NEC µPD72257 Preliminary User's Manual page 173

Video Input (Ravin-M only)
Bit Bit name
1 RGBEN
0 CAPEN
Function
0 Video Input data is taken with rising clock edge of VInCLK
1 Video Input data is taken with falling clock edge of VInCLK
Selects Video Input data format
0 YUV format
1 RGB format
Enable Video Input data capture
0 video capture disabled
video capture enabled: starting with a new frame Video Input data is captured
1
and processed
Preliminary User's Manual S19203EE1V3UM00
Chapter 6
173