Texas Instruments TMS320DM648 manual Raw Data Capture Mode

3.3.3	Y/C Image Window and Capture	50
3.3.4	Y/C FIFO Packing	51

3.4 BT.656 and Y/C Mode Field and Frame Operation		51
3.4.1 Capture Determination and Notification		52
3.4.2	Vertical Synchronization	53
3.4.3	Horizontal Synchronization	55
3.4.4	Field Identification	56
3.4.5 Short and Long Field Detect		57

3.5 Video Input Filtering		57
3.5.1	Input Filter Modes	58
3.5.2	Chrominance Re-sampling Operation	58
3.5.3	Scaling Operation	58
3.5.4	Edge Pixel Replication	59

	3.6	Ancillary Data Capture		60
		3.6.1 Horizontal Ancillary (HANC) Data Capture		61
		3.6.2 Vertical Ancillary (VANC) Data Capture		61
	3.7 Raw Data Capture Mode			61
		3.7.1 Raw Data Capture Notification		61
		3.7.2 Raw Data FIFO Packing		62
	3.8	TCI Capture Mode		63
		3.8.1	TCI Capture Features	63
		3.8.2	TCI Data Capture	63
		3.8.3 TCI Capture Error Detection		64
		3.8.4 Synchronizing the System Clock		64
		3.8.5 TCI Data Capture Notification		65
		3.8.6 Writing to the FIFO		66
		3.8.7 Reading from the FIFO		66
	3.9 Capture Line Boundary Conditions			67
	3.10 Capturing Video in BT.656 or Y/C Mode			67
		3.10.1 Handling FIFO Overrun in BT.656 or Y/C Mode		68
	3.11 Capturing Video in Raw Data Mode			68
		3.11.1 Handling FIFO Overrun Condition in Raw Data Mode		69
	3.12 Capturing Data in TCI Capture Mode			69
		3.12.1 Handling FIFO Overrun Condition in TCI Capture Mode		70
	3.13	Video Capture Registers		70
		3.13.1 Video Capture Channel x Status Register (VCASTAT, VCBSTAT)		71
		3.13.2 Video Capture Channel A Control Register (VCACTL)		72
		3.13.3 Video Capture Channel x Field 1 Start Register (VCxSTRT1)		75
		3.13.4 Video Capture Channel x Field 1 Stop Register (VCxSTOP1)		76
		3.13.5 Video Capture Channel x Field 2 Start Register (VCxSTRT2)		77
		3.13.6 Video Capture Channel x Field 2 Stop Register (VCxSTOP2)		78
		3.13.7 Video Capture Channel x Vertical Interrupt Register (VCxVINT)		79
		3.13.8 Video Capture Channel x Threshold Register (VCATHRLD, VCBTHRLD)		80
		3.13.9 Video Capture Channel x Event Count Register (VCxEVTCT)		81
		3.13.10 Video Capture Channel B Control Register (VCBCTL)		81
		3.13.11 TCI Capture Control Register (TCICTL)		84
		3.13.12 TCI Clock Initialization LSB Register (TCICLKINITL)		85
		3.13.13 TCI Clock Initialization MSB Register (TCICLKINITM)		86
4	Contents			SPRUEM1 –May 2007

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