A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 385 / 812
Register Name: CSI0_C3_INT_EN_REG
Hblank FIFO overflow
The bit is set when 3 FIFOs still overflow after the hblank.
FIFO2_OF_INT_EN
FIFO 2 overflow
The bit is set when the FIFO 2 become overflow.
FIFO1_OF_INT_EN
FIFO 1 overflow
The bit is set when the FIFO 1 become overflow.
FIFO0_OF_INT_EN
FIFO 0 overflow
The bit is set when the FIFO 0 become overflow.
FD_INT_EN
Frame done
Indicates the CSI has finished capturing an image frame. Applies
to video capture mode. The bit is set after each completed frame
capturing data is wrote to buffer as long as video capture remains
enabled.
CD_INT_EN
Capture done
Indicates the CSI has completed capturing the image data.
For still capture, the bit is set when one frame data has been
wrote to buffer.
For video capture, the bit is set when the last frame has been
wrote to buffer after video capture has been disabled.
For CCIR656 interface, if the output format is frame planar YCbCr
420 mode, the frame end means the field2 end, the other frame
end means field end.
4.1.5.53. CSI CHANNEL_3 INTERRUPT STATUS REGISTER
Register Name: CSI0_C3_INT_STA_REG